Side by side
EAS Observe vs Middleware
Both stand on mobile app monitoring. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneWeb
EAS Observe focuses on performance timing and release comparisons for Expo apps. Check the SDK, build, and usage requirements before choosing a plan.
Visit EAS Observe
Free plan AndroidAPIExtension+5
Middleware covers a broad set of monitoring and observability products, with a free plan and a usage-billed option. Check the plan limits and retention period against your needs.
Visit MiddlewareThe facts
| EAS Observe | Middleware | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Android, iPhone, Web | Android, API, Extension, iPhone, Linux, Mac, Web, Windows |
| Lowest paid plan | Starter: $19 a month | Pay As You Go: $0.30 a month |
| Plans published | 4 | 3 |
| Maker | Not published | Not published |
| Website | expo.dev | middleware.io |
| On mobile app monitoring | #8 of 25 | #13 of 25 |
EAS Observe: what it does well
- Tracks launch, render, and interaction timings
- Compares metrics across app versions and OTA updates
- Custom events can be analyzed with performance data
- Free plan includes 100K events per month
What to know first
- Requires Expo SDK 55 or later
- Not available in Expo Go
- Error and crash reporting are preview features
- Starter plan has additional usage costs
Middleware: what it does well
- Free Forever includes up to 100GB of data.
- Lists 450+ built-in integrations.
- Includes distributed tracing and real-user monitoring.
- States encryption at rest and in transit.
What to know first
- Free tier data retention is 14 days.
- Free Forever support is community based.
- Pay As You Go is billed based on usage.
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