Meter vs Quietmarks
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.
Quietmarks
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Prepare a date-bounded chronology from your saved noise observations, with a full preview before sharing. HOW IT WORKS 1. Open Entries and tap Timeline. Choose the first and last calendar day. 2. Choose whether to include notes, witness names and approximate readings. Photos are excluded. 3. Review the complete timeline before sharing. An explicitly labeled example can be explored without changing your log. Noise capture, saved entries, recurrence tools and existing reports remain available. WHAT TO KNOW These are user-recorded observations, not verified findings or a certified sound-level report. Missing days are unknown, not evidence of silence. Perceived durations may overlap. Headlines, source, room and impact fields remain included and can contain personal information; inspect the preview. iPhone and iPad.
Screenshots
Verdict
The clearest difference is price: Meter at Free against Quietmarks's $2.99. Meter also leads on update cadence (every 3 days vs weekly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Meter is free to download; Quietmarks costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Meter ships an update every 3 days, Quietmarks weekly. Both last shipped on November 5, 2026.
| Parameter | Meter | Quietmarks |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 3 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Jiajun Zhang | Robert Corbin |
In-app purchases
Meter
No in-app purchases
Quietmarks
No in-app purchases









