Meter vs Compressor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Meter
This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.
- Complete sensor suite
- Real-time measurements
- High accuracy and precision
- Modern card-based interface
- Dark mode support
- Privacy-focused local data processing
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Transform your iPhone into a powerful sensor measurement toolkit with Meter! Access all your device's sensors in one beautifully designed app. **COMPLETE SENSOR SUITE** • **Altimeter** - Real-time altitude and barometric pressure • **Speedometer** - GPS-based speed tracking with multiple units • **Barometer** - Atmospheric pressure monitoring • **Accelerometer** - 3-axis motion detection and gravity measurements • **Magnetometer** - Magnetic field strength and compass functionality • **GPS** - Precise location coordinates and accuracy indicators • **Sound Level Meter** - Decibel measurements (0-120 dB) with advanced classification • **Level Tool** - Precise leveling with roll/pitch measurements **KEY FEATURES** • Modern, intuitive card-based interface • Dark mode support • High accuracy and precision • No advertisements or subscriptions • Privacy-focused with local data processing • Real-time measurements with comprehensive error handling Perfect for engineers, scientists, outdoor enthusiasts, students, and anyone curious about their device's capabilities.
Compressor
Easily reduce the file size of your images to save storage space and improve sharing speeds. This utility allows you to compress single or multiple photos directly from your library or files, working offline for privacy.
- Reduce image file size
- Compress from library or files
- Select multiple photos
- Fast and simple operation
- Offline and private compression
- Integrates with Shortcuts app
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Free up space and speed up sharing with Compressor, the easiest way to compress images directly from your photo library. No ads, no complexity: just fast and effective image compression. - Reduce Image File Size - Compress from your library or your files - Select one or many photos - Fast & Simple - Offline & Private - Available in Shortcut app Perfect for anyone looking to send images faster, upload quicker, or free up storage.
Screenshots
Verdict
Meter and Compressor are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Meter against 5.0 for Compressor. Both are backed by a comparable volume of ratings — 5 and 4 respectively.
Meter ships an update every 3 days, Compressor every 4 days. The most recent releases landed on July 4, 2026 and September 17, 2026 respectively.
| Parameter | Meter | Compressor |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | 4 |
| Update frequency | Every 3 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 18.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiajun Zhang | Pierre Abi-aad |
Customer experience
Meter
Compressor
In-app purchases
Meter
No in-app purchases
Compressor
No in-app purchases
Questions
Is Meter free?
Is Compressor free?
Which has better reviews, Meter or Compressor?
Do Meter or Compressor have ads?
Which is updated more often, Meter or Compressor?
Other comparisons
