Acc.elerometer vs i
Price, ratings, monetisation and update history for both apps, side by side â with what reviewers say about each.
Acc.elerometer
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Transform your device into a powerful motion sensor laboratory. Record and visualize real-time data from your device's built-in sensors with interactive charts and precise measurements. Perfect for researchers, developers, students, and anyone interested in understanding device motion. Supported sensors: âĒ Accelerometer â Total device acceleration including gravity (G-force) âĒ User Acceleration â Pure motion acceleration without gravity influence âĒ Gyroscope â Rotation rate around all three axes (rad/s) âĒ Magnetometer â Magnetic field strength and compass data (ΞT) âĒ Device Attitude â 3D orientation in space (roll, pitch, yaw) âĒ Gravity â Isolated gravitational force vector (G-force) Key features: âĒ Real-time sensor visualization with smooth, interactive charts âĒ Manual start/stop control for targeted data collection âĒ Export any recording as timestamped CSV files âĒ Customizable recording sessions with precise timing control Export analysis: All sensor data exports as CSV files with timestamps, making it seamless to import into any data analysis platform. Start recording with a single tap and unlock the hidden motion story of your device.
i
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Allows storage and management of giftcards, which are bought in the store of our partner.
Screenshots
Verdict
The clearest difference is update cadence: i at every 6 weeks against Acc.elerometer's every 20 months. i also leads on iOS requirement (13.0 vs 26.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Acc.elerometer ships an update every 20 months, i every 6 weeks. The most recent releases landed on September 16, 2026 and June 13, 2026 respectively.
| Parameter | Acc.elerometer | i |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 20 months | Every 6 weeks â better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 26.0 | 13.0 â better |
| Further details â not scored | ||
| Size | 10 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Pantiukhin Andrei | Arev Software GmbH |
In-app purchases
Acc.elerometer
No in-app purchases
i
No in-app purchases









