PlanetScale VS TmpState.dev

Compare PlanetScale VS TmpState.dev and see what are their differences

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PlanetScale

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

TmpState.dev

TmpState (temp state) - a tokenless temporary JSON database. One curl creates a database; the URL is the only credential. No signup, no API keys, 24h free, $1 to keep for a week. Also a zero-key MCP server: https://tmpstate.dev/mcp

Landing page //
2023-10-15

Database Demo //
2026-07-05

PlanetScale

Website: planetscale.com
Pricing URL: Official PlanetScale Pricing
$ Details: freemium $29.0 / Monthly (250GB)

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TmpState.dev

Website: tmpstate.dev
Pricing URL: Official TmpState.dev Pricing
$ Details: freemium

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PlanetScale features and specs

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 of PlanetScale

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.

TmpState.dev features and specs

No features have been listed yet.

Analysis of PlanetScale

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

PlanetScale videos

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PlanetScale Beta - Release Radar

TmpState.dev videos

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Category Popularity

0-100% (relative to PlanetScale and TmpState.dev)

PlanetScale

TmpState.dev

Databases

96 96%

Databases

4% 4

Developer Tools

95 95%

Developer Tools

5% 5

Vitess

100 100%

Vitess

0% 0

Backend As A Service

0 0%

Backend As A Service

100% 100

Questions & Answers

As answered by people managing PlanetScale and TmpState.dev.

What makes your product unique?

TmpState.dev's answer:

TmpState is a tokenless temporary JSON database. One curl tmpstate.dev creates a real database and returns its URL - and that URL is the only credential. No signup, no API keys, no .env, no OAuth.

Zero credentials by design. The database URL is a capability (30+ characters of entropy, hashed at rest), the same trust model as an unguessable Google Docs share link. Nothing to provision, rotate, or leak into a repo.
Agent-native. It is also a zero-key remote MCP server, so an AI agent can create and use its own backend with no auth handshake - it self-onboards from llms.txt.
Ephemeral by default. Databases are free for 24 hours and expire automatically unless you keep them, so nothing lingers or bills silently.
Honest, transparent pricing. Free for 24h, one-time extensions from $1, always-on Pro at $8/month. Every charge is disclosed before it is billed.

Why should a person choose your product over its competitors?

TmpState.dev's answer:

Compared to jsonbin.io, npoint.io, json-server, or standing up Firebase/Supabase, TmpState removes the entire setup step:

No account and no keys - you get a working database from a single request, versus signing up and managing credentials elsewhere.
Faster to first write - one curl, not a dashboard, a project, and a connection string.
Built for agents - a native MCP server means your AI agent wires up its own storage instead of you pasting secrets into it.
Safe to abandon - deletion by default means no orphaned data or surprise bills; you only pay ($1 extension or $8/month Pro) when the data actually matters.

Best for throwaway and prototype state. It is honest about when not to use it: it is not meant to be your permanent production database.

How would you describe the primary audience of your product?

TmpState.dev's answer:

Developers and the AI agents working on their behalf. Primarily:

Builders using AI coding agents (Claude Code, Cursor, and similar) who want their agent to provision its own backend.
Indie hackers and solo builders prototyping quickly across several projects.
Hackathon participants who need a backend in the next ten minutes and will not sign up for anything.
Anyone who needs disposable, short-lived JSON storage without the ceremony of a full database.

What's the story behind your product?

TmpState.dev's answer:

TmpState came out of a recurring frustration in agent workflows: AI agents constantly need somewhere to keep state, but you cannot hand them your real cloud credentials, and wiring up a database mid-task kills the flow. So the model was inverted - build a database where the URL itself is the only credential, so an agent (or a person with one curl) can create its own backend instantly, with nothing to sign up for and nothing to leak. It is a solo, founder-built, agent-first product, launched in July 2026.

User comments

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

Social recommendations and mentions

Based on our record, PlanetScale seems to be more popular. It has been mentiond 105 times since March 2021. 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.

PlanetScale mentions (105)

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 planet with super talented folks, very high autonomy, tier-zero databases for some of the biggest and fastest growing data sets. Apply at... - Source: Hacker News / about 1 month 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. Both our Postgres and Vitess databases deliver exceptional speed and reliability, with Vitess adding ultra scalability through horizontal sharding. I know exactly what they do. Zero... - Source: Hacker News / 10 months 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 / about 1 year ago
Ask HN: What's the best free database provider out there?
Https://planetscale.com/ would be a good bet. - Source: Hacker News / about 1 year ago
List of 45 databases in the world
PlanetScale — Serverless database platform built on MySQL and Vitess. - Source: dev.to / almost 2 years ago