Software Alternatives & Startups

PlanetScale VS Realm.io

Compare PlanetScale VS Realm.io and see what are their differences

PlanetScale

The last database you'll ever need. Go from idea to IPO.

Rating
0 reviews
Pricing
Open source Freemium Free trial $29 / Monthly (250GB)
Realm.io

Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.

Rating
0 reviews
Pricing
Open source

Which is more popular?

Based on our record, PlanetScale should be more popular than Realm.io. It has been mentioned 105 times since March 2021.

social mentions
105 vs 25
Databases popularity
67% vs 33%
alternatives listed
217 vs 85

Base details

Website, pricing, platforms and company facts side by side.

PlanetScale
Realm.io
Website planetscale.com realm.io
Pricing
Open source Freemium Free trial $29 / Monthly (250GB) Official pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

PlanetScale 8 features
Realm.io 5 features
  • Scalability
    PlanetScale is designed for massive scale, leveraging the Vitess engine that powers YouTube. This makes it suitable for applications requiring high scalability for both read and write operations.
  • Global Distribution
    Offers multi-region deployment, ensuring low-latency access and higher availability, beneficial for globally distributed applications.
  • Serverless Approach
    The platform takes a serverless approach to database management, which means automatic scaling, less infrastructure to manage, and potential cost savings.
  • Branching and Sharding
    Supports database branching for isolated environments like development, testing, and production. It also supports sharding, which helps in distributing data across multiple nodes for better performance and reliability.
  • High Availability
    PlanetScale provides high availability with automated failover mechanisms, ensuring minimal downtime.
  • Strong Data Integrity
    Uses Vitess’s strong consistency models to ensure data integrity across distributed systems.
  • Developer Friendly
    Includes tools and features that make it easier for developers to manage, such as automatic migrations and simplified schema management.
  • Integration
    Can be easily integrated with various cloud service providers, making it flexible for different deployment environments.

Possible disadvantages

  • Learning Curve
    The platform comes with a learning curve, especially for teams unfamiliar with Vitess or managing distributed databases.
  • Cost
    While it can offer cost savings in some areas, the pricing for large-scale deployments and multi-region setups can be relatively high.
  • Complexity of Advanced Features
    Advanced features like sharding and branching can add complexity to the database management operations.
  • Limited Ecosystem
    Compared to more established databases, the ecosystem and community around PlanetScale might be smaller, which can affect the availability of third-party tools and community support.
  • Vendor Lock-in
    Using a proprietary platform can lead to vendor lock-in, making it harder to switch to other database services if needed.
  • Early-stage Platform
    While promising, PlanetScale is relatively new compared to some other established database services, which means it may lack some maturity or have bugs that older platforms have ironed out.
  • Easy Integration
    Realm is designed to be easy to set up and integrate into existing projects, with straightforward APIs and comprehensive documentation.
  • Performance
    Realm provides high performance with minimal overhead. It's faster than many traditional databases for many use cases, especially with large datasets and complex queries.
  • Cross-Platform Support
    Realm supports multiple platforms including iOS, Android, and React Native, allowing for easy cross-platform development.
  • Real-Time Data Sync
    Realm offers real-time synchronization of data between devices and a server, ensuring consistency and enabling collaborative features.
  • Rich Data Types
    Realm supports complex data types such as lists and objects, making it more flexible for various types of applications.

Possible disadvantages

  • Learning Curve
    Despite extensive documentation, there can be a learning curve for developers new to Realm, particularly if they are accustomed to traditional SQL databases.
  • Storage Size
    Realm databases can become large quickly, especially if not properly managed, potentially impacting app performance and storage costs.
  • Limited Query Language
    While powerful, Realm's query language isn't as mature or feature-rich as SQL, which might limit some advanced querying needs.
  • Tooling
    The tooling ecosystem for Realm is not as extensive as those for more established databases like SQLite or MongoDB, which could impact developer productivity.
  • Vendor Lock-In
    Using Realm might lead to vendor lock-in, as migrating away from it to another database system can be complex and time-consuming.

Analysis

An editorial look at what each product does well and who it suits.

PlanetScale
Realm.io

Overall verdict

  • PlanetScale is a strong choice for developers and companies looking for a scalable, reliable, and developer-friendly database solution. Its foundations on proven technology and modern features make it a good option for various use cases.

Why this product is good

  • PlanetScale is known for its serverless database platform designed to be simple, scalable, and efficient. It is built on Vitess, which powers companies like YouTube and Slack, offering great performance at scale. PlanetScale provides features such as branching, sharding, and horizontal scaling without downtime, appealing to developers who need robust infrastructure. Additionally, it's designed to integrate seamlessly with developer workflows, providing tools like a CLI and a web console for easy database management.

Recommended for

  • Developers building cloud-native applications
  • Teams needing scalable databases with no downtime
  • Organizations requiring seamless integration with existing development workflows
  • Startups and tech companies looking for robust infrastructure

No analysis of Realm.io yet.

Videos

Walkthroughs and reviews on video.

PlanetScale 3 videos + Add
Realm.io 0 videos + Add

PlanetScale Beta - Release Radar

More videos

  • - Using PlanetScale (MySQL) with Next.js and Vercel!
  • - PlanetScale and Prisma: building in the cloud - Nick Van Wiggeren | Prisma Day 2021

No Realm.io videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
PlanetScale
Realm.io
67% 67%
33% 33%
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%

User comments

Share your experience with using PlanetScale and Realm.io. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

PlanetScale no reviews yet
Realm.io no reviews yet

We have no reviews of Realm.io yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

PlanetScale 105 mentions
Realm.io 25 mentions
  • Ask HN: Who is hiring? (June 2026)
    PlanetScale | https://planetscale.com/ | Software Engineer - PlanetScale Postgres | Remote (AMER, LATAM & EMEA) | Base range: $120,000 - $290,000 USD I'm the hiring manager for this position. Come build the best Postgres product on the... - Source: Hacker News / 4 months ago
  • PlanetScale announces Postgres is GA
    i'll take the opposite side. I was very impressed with their website. The very first line: > The world’s fastest and most scalable cloud databases the second line: > PlanetScale brings you the fastest databases available in the cloud.... - Source: Hacker News / about 1 year ago
  • Serverless Backend: A New Era for Developers
    Database: It helps storing, managing and retriving data in a structured manner (e.g. NeonDB, PlanetScale, DynamoDB). - Source: dev.to / over 1 year ago

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  • Release Radar · September 2024: Major updates from the open source community
    From the team at MongoDB comes Realm, a mobile database that runs directly inside phones, tablets, or wearables. It's built for mobile, and designed for offline use. The latest release comes with built-in Swift 6 language mode, and Xcode... - Source: dev.to / about 2 years ago
  • I built a WebComponents-based framework
    Looks really cool, I like to make very minimalistic dependency choices for the web apps I work on. Web Components look interesting and it's great to see frameworks that build upon it and provide features that are currently missing from... - Source: Hacker News / about 3 years ago
  • Realm Database, Expo SDK 49 and Expo Router Getting Started
    Realm is a fast, scalable alternative to SQLite with mobile to cloud data sync that makes building real-time, reactive mobile apps easy. - Source: dev.to / about 3 years ago

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Alternatives to PlanetScale and Realm.io

When comparing PlanetScale and Realm.io, you can also consider the following products.