Software Alternatives, Accelerators & Startups

Clearbit VS Redis โ„ข

Compare Clearbit VS Redis and see what are their differences

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Clearbit logo Clearbit

Clearbit provides Business Intelligence APIs

Redis logo Redis

Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
  • Clearbit Landing page
    Landing page //
    2023-10-06
  • Redis Landing page
    Landing page //
    2022-10-19

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache and message broker. It supports data structures such as strings, hashes, lists, sets, sorted sets with range queries, bitmaps, hyperloglogs, geospatial indexes with radius queries and streams. Redis has built-in replication, Lua scripting, LRU eviction, transactions and different levels of on-disk persistence, and provides high availability via Redis Sentinel and automatic partitioning with Redis Cluster.

Clearbit features and specs

  • Extensive Data Coverage
    Clearbit offers comprehensive and up-to-date information on companies and individuals, making it a valuable tool for sales, marketing, and business intelligence.
  • Real-Time API
    The real-time API allows for the instant enrichment of data, enabling users to access detailed information without delays, which is useful for dynamic applications.
  • Seamless Integration
    Clearbit easily integrates with major CRM platforms, email marketing tools, and other software, facilitating its adoption into existing workflows.
  • Enrichment and Prospector Features
    Clearbit offers features like email enrichment and prospecting, helping businesses find and target the right contacts efficiently.
  • Quality of Data
    The data provided by Clearbit tends to be highly accurate, which is crucial for making informed business decisions and campaigns.
  • Enhanced Lead Identification
    The Weekly Visitor Report by Clearbit allows businesses to identify anonymous website visitors by providing detailed company data, which enhances lead generation efforts.
  • Comprehensive Data Insights
    The report provides in-depth information about visitors, such as company size, industry, and location, enabling more targeted marketing strategies.
  • Improved Sales Outreach
    With detailed visitor reports, sales teams can tailor their outreach strategies and prioritize leads based on the potential value and relevance of each visitor.
  • Easy Integration
    Clearbit's platform can be easily integrated with existing CRM systems, ensuring a seamless workflow for tracking and utilizing visitor data.
  • Comprehensive Data
    Clearbit Connect provides detailed information about contacts, including email addresses, company details, and social media profiles, making it easier for businesses to find and verify leads.
  • Ease of Use
    The extension integrates seamlessly with Gmail and G Suite, making it straightforward for users to gather information without leaving their email interface.
  • Time-Saving
    Clearbit Connect automates the process of finding contact information, reducing the time spent on manual search and allowing users to focus on outreach efforts.
  • Free Tier Availability
    A free version is available which allows users to access basic features without any initial cost, making it accessible for small businesses and startups.
  • Reliability
    Clearbit is known for providing accurate data, reducing the chances of bounced emails and improving overall outreach effectiveness.

Possible disadvantages of Clearbit

  • Cost
    Clearbit can be expensive, particularly for small businesses or startups with limited budgets. The pricing model may not be feasible for all organizations.
  • Data Privacy Concerns
    As Clearbit collects and provides detailed personal and corporate data, there may be concerns about privacy and compliance with data protection regulations.
  • Data Variability
    While the data is generally accurate, there can be occasional inconsistencies or outdated information which could affect decision-making.
  • Technical Integration Complexities
    Although Clearbit offers many integrations, setting them up and maintaining them can sometimes be complex and require technical expertise.
  • Dependency on Internet
    Using Clearbit's real-time API requires a stable internet connection, which could be a limitation in areas with poor connectivity.
  • Cost Considerations
    Clearbit's comprehensive data services can be expensive, especially for startups or small businesses with limited budgets.
  • Accuracy Limitations
    While Clearbit provides extensive data, the accuracy and timeliness of the information may sometimes be limited, potentially affecting decision-making.
  • Complexity in Setup
    For businesses without a dedicated IT team, the initial setup and integration of Clearbitโ€™s services can be complex and require technical expertise.
  • Limited Free Usage
    The free tier has limitations on the number of searches and data available, which may require users to upgrade to a paid plan for higher volume needs.
  • Privacy Concerns
    Some users may have concerns about the privacy of their data, as Clearbit collects and processes a significant amount of personal and company information.
  • Data Freshness
    While generally reliable, occasionally the provided data may not be up-to-date, leading to outdated contact information.
  • Integration Issues
    There may be occasional issues or bugs with the Gmail integration, causing some users to experience interruptions in their workflow.

Redis features and specs

  • Performance
    Redis is an in-memory data store, which allows it to provide extremely fast read and write operations. This makes it ideal for applications requiring real-time interactions.
  • Data Structures
    Redis offers a variety of data structures, such as strings, hashes, lists, sets, and sorted sets. This flexibility helps developers manage data more efficiently in different scenarios.
  • Scalability
    Redis supports horizontal scalability with features like clustering and partitioning, allowing for easy scaling as your application grows.
  • Persistence
    Though primarily an in-memory store, Redis provides options for data persistence, such as RDB snapshots and AOF logs, enabling data durability across reboots.
  • Pub/Sub Messaging
    Redis includes a built-in publish/subscribe messaging system, which can be used to implement real-time messaging and notifications.
  • Simple API
    Redis has a simple and intuitive API, which can speed up development time and make it easier to integrate Redis into various application stacks.
  • Atomic Operations
    Redis supports atomic operations on data structures, reducing the complexity of concurrent programming and making it easier to maintain data consistency.

Possible disadvantages of Redis

  • Memory Usage
    Being an in-memory data store, Redis can become expensive in terms of memory usage, especially when working with large datasets.
  • Data Persistence Limitations
    While Redis offers data persistence, it is not as robust as traditional databases. There can be data loss in certain configurations, such as when using asynchronous persistence methods.
  • Complexity in Scaling
    Although Redis supports clustering, setting up and managing a Redis cluster can be complex and may require significant DevOps expertise.
  • Single-threaded Nature
    Redis operates on a single-threaded event loop, which can become a bottleneck for certain workloads that could benefit from multi-threading.
  • Limited Query Capabilities
    Compared to traditional relational databases, Redis offers limited querying capabilities. Complex queries and joins are not supported natively.
  • License
    As of Redis 6 and higher, the Redis modules are under the Server Side Public License (SSPL), which may be restrictive for some use cases compared to more permissive open-source licenses.

Clearbit videos

Clearbit - Reev & OTB | Outbound Reviews #6

More videos:

  • Review - The Weekly Visitor Report by Clearbit
  • Review - Clearbit Lead Enrichment Automations and Integrations (2019)
  • Review - E996 Clearbit CEO Alex MacCaw is creating god-mode for marketers, prioritizing profitability

Redis videos

What is Redis? | Why and When to use Redis? | Tech Primers

More videos:

  • Review - Improve your Redis developer experience with RedisInsight, Redis Labs
  • Review - Redis Labs "Why NoSQL is a Safe Bet"
  • Review - Redis Enterprise Overview with Yiftach Shoolman - Redis Labs
  • Review - Redis system design | Distributed cache System design
  • Review - What is Redis and What Does It Do?
  • Review - Redis Sorted Sets Explained

Category Popularity

0-100% (relative to Clearbit and Redis)
Lead Generation
100 100%
0% 0
Databases
0 0%
100% 100
Sales Tools
100 100%
0% 0
NoSQL Databases
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Clearbit and Redis

Clearbit Reviews

Top 13 ZoomInfo Alternatives
Clearbit is all about quality data. This solution is designed for smarter scoring, better routing, and more revenue. Clearbit automatically updates sales records with the accurate company and contact data.
Source: taskdrive.com

Redis Reviews

Database Management Systems (DBMS) Comparison: SQL Server, MySQL, PostgreSQL, MongoDB, Oracle
Redis is an exceptionally fast in-memory data store that is known for its speed and versatility. It supports a broad range of use cases, including caching, real-time analytics, and pub/sub messaging, which makes it a go-to choice for performance-critical applications.
Source: blog.devart.com
20 Best Database Management Software and Tools of 2026
Redis is an open-source, in-memory data store used as a database, cache, and message broker for high-performance applications.
Source: infomineo.com
Redis Alternative for App Performance | Gigaspaces
Redis offers a RESTful API for accessing data stored within its in-memory technology data structures. This API provides a simple and efficient way to interact with Redis, enabling developers to leverage its capabilities seamlessly in their applications. Developers also need to manage the Redis cached data lifecycle, itโ€™s the application responsibility to store the data &...
Are Free, Open-Source Message Queues Right For You?
A notable challenge with Redis Streams is that it doesn't natively support distributed, horizontal scaling. Also, while Redis is famous for its speed and simplicity, managing and scaling a Redis installation may be complex for some users, particularly for persistent data workloads.
Source: blog.iron.io
Redis vs. KeyDB vs. Dragonfly vs. Skytable | Hacker News
1. Redis: I'll start with Redis which I'd like to call the "original" key/value store (after memcached) because it is the oldest and most widely used of all. Being a long-time follower of Redis, I do know it's single-threaded (and uses io-threads since 6.0) and hence it achieves lesser throughput than the other stores listed above which are multi-threaded, at least to some...

Social recommendations and mentions

Based on our record, Redis seems to be a lot more popular than Clearbit. While we know about 237 links to Redis, we've tracked only 18 mentions of Clearbit. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Clearbit mentions (18)

  • A Practical Guide To Entity Resolution in Python (No Database, No Machine Learning)
    Some display names need a lookup table, not fuzzy strings. Pairs like Investing.com / Fusion Media Limited or Lyrie.ai / OTT Cybersecurity Inc. Share almost no tokens, so WRatio stays low and that's correct behavior. For irreconcilable aliases like that you still want GLEIF, Clearbit, or simply a maintained slug โ†’ legal_name map. Fuzzy matching handles stylistic drift on the same name; it canโ€™t handle unrelated... - Source: dev.to / 2 months ago
  • Enriching Free Trial Signups: The PLG Data Stack for Turning Inbound Users Into Qualified Pipeline
    Personal email domains destroy this. Clearbit's Enrichment API returns a null company when it hits gmail.com. Apollo routes personal domains straight to a consumer bucket and skips B2B fields entirely. Even PDL's /person/enrich endpoint โ€” the most permissive of the major providers โ€” gives you around 32% hit rate on Gmail addresses versus 74% on corporate domains. I measured this across 6,200 signups for a... - Source: dev.to / 3 months ago
  • Clearbit Is Now HubSpot-Only: A 1-to-1 API Migration Map for Teams Getting Locked Out
    A few things worth flagging: PDL beats Clearbit's historical rates for US and Western European companies, but drops to ~52% match rate for Japan and South Korea specifically. Apollo underperforms on raw company matching but returns significantly more contacts per domain in Prospector-style queries than Clearbit's Prospector ever did โ€” the tradeoff is more stale titles in the result set. Hunter.io is fast and cheap... - Source: dev.to / 3 months ago
  • Reverse Email Lookup Shootout: Hunter, Clearbit, Datagma, and PDL Tested on 500 Real B2B Addresses
    Match rate of 38% in my test, but the data quality on what it does match is solid: title, seniority, industry, company size all returned cleanly. If you're already in HubSpot and enriching form fills in-place, Clearbit/Breeze is probably your lowest-friction option even at lower match rates. If you're not in HubSpot, there's no reason to choose it over PDL or Prospeo. - Source: dev.to / 3 months ago
  • Auto-Enriching Your CRM on New Contact Creation: A No-Code Webhook Playbook
    One thing comparison guides consistently get wrong: Clay is not an enrichment API. It's a waterfall orchestration tool that calls People Data Labs, Apollo, Clearbit, and others in sequence for you. It's useful, but it adds 2โ€“8 seconds of latency per row in my runs and costs more per match than going direct. For a CRM webhook flow where you need sub-second enrichment calls, Clay is the wrong layer to hit first. - Source: dev.to / 3 months ago
View more

Redis mentions (237)

  • Standalone HTTP Server with Relic in Dart
    Why a cache server? Well, to be, a cache system is the smallest piece of software one can found everywhere. There is a reason why redis, memcached or many other projects like that are used by everybody: developers need a way to store data quick. It could be for a session, for temporary data or simply to avoid annoying the main core database. A cache service is easy to create (key/value store), and can become... - Source: dev.to / 3 months ago
  • Infrastructure as Code Toolbox - Final Thoughts and Future Work
    Adding caching layers using services like Redis cache,. - Source: dev.to / 3 months ago
  • Why Synchronous Webhook Processing Is a Production Trap
    Redis works well as the queue layer for this pattern. The receiver appends events to a list or stream. Workers consume from the stream, update event status on completion, and move failed events to a dead-letter queue after exhausting retries. - Source: dev.to / 4 months ago
  • Buyer's Guide to Pick the Best LLM Gateway in 2026
    Bifrost supports dual-layer semantic caching with exact match and semantic similarity. Backend options include Redis for exact caching, Weaviate for vector-based semantic matching, and Qdrant as an alternative vector store. - Source: dev.to / 4 months ago
  • This is Cloud Run: A Decision Guide for Developers
    In-memory caching shared across instances. There are no sticky sessions by default (though session affinity is available on a best-effort basis). Each request might hit a different instance. If you need shared state, you need an external store like Redis or Memorystore. - Source: dev.to / 5 months ago
View more

What are some alternatives?

When comparing Clearbit and Redis, you can also consider the following products

Lusha - Search less. Sell more.

MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.

Apollo.io - Apolloโ€™s predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.

ArangoDB - A distributed open-source database with a flexible data model for documents, graphs, and key-values.

DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.

Apache Cassandra - The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance.