G vs Acc.elerometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
G
This app records and analyzes motion data from your device's sensors, including acceleration, rotation, and GPS information. It's designed for experiments, performance analysis, and tracking various movements. Data can be exported in CSV format and is resistant to loss.
- Logs and plots motion data (acceleration, rotation)
- Records ground speed, altitude, distance, and displacement
- Virtually unlimited recording time
- Programmable data acquisition control
- Remote control via Apple Watch
- Configurable acceleration reference frame
- Export data in CSV format
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G-Field Recorder is an easy-to-use and powerful data acquisition and analysis system for iOS device deployments. G-Field Recorder logs, plots, and replays: - 3-axis acceleration fields - 3-axis rotational displacements - Ground speed - Altitude - Distance - Displacement - Course Use this app to assist your analysis of experiments, sports performance, drone behaviors, land vehicle and watercraft actions, security applications, structural behaviors, and more. All of your data is logged on your device, where you may retain it indefinitely, share, or delete the files of your choosing. All data files are easy to export in CSV format via AirDrop and other methods (e.g. Slack, email, LinkedIn ...) available on your device. Developed for NASA payloads, G-Field Recorder is resistant to data loss from impacts, continuously saving your data to permanent storage in case of a severe upset event that damages your device (e.g. you crash your drone). Features: - Logs and plots of motion data: -- 3 Axis Acceleration Field -- 3 Axis Rotations (Pitch, Roll, and Yaw) - Virtually unlimited recording time. The collected data is automatically stored in as many sequentially indexed files as required, up to about 5 MB per file (for easy search and review). Data storage capability is up to the max storage availability on the device. - Programmable data acquisition control: - Relative start time - Absolute start time - Relative stop time - Acceleration reference frame is configurable: -Choose to ignore or sense gravity - Select reference frames: Proper, Fictitious, or Coordinate acceleration - Remote control and monitoring via Apple Watch: - Apple Watch can start and stop data collection, overriding any device-programmed start and stop times - Apple Watch can set the acceleration reference frame - Set sampling frequency from vanishingly small (e.g. 0.001 Hz) up to 100 Hz - Computed averages and extrema of are automatically logged for all recorded motion data - Rewind and instant playback of recorded data - Text notes and an image can be added to each stored data file - Selectable animated icon graphics GPS Package In-App Purchase (recommended ) -- Ground Speed, Course, Altitude -- Distance & Displacement -- Illustrated path overlayed on Apple Map
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: • Accelerometer – Total device acceleration including gravity (G-force) • User Acceleration – Pure motion acceleration without gravity influence • Gyroscope – Rotation rate around all three axes (rad/s) • Magnetometer – Magnetic field strength and compass data (μT) • Device Attitude – 3D orientation in space (roll, pitch, yaw) • Gravity – Isolated gravitational force vector (G-force) Key features: • Real-time sensor visualization with smooth, interactive charts • Manual start/stop control for targeted data collection • Export any recording as timestamped CSV files • 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.
Screenshots
Verdict
The clearest difference is in-app purchases: Acc.elerometer at none against G's 2. G's advantage is update cadence (every 4 days vs every 20 months) and device support (4 vs 2). On price and ads 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. G sells 2 one-off in-app purchases. Acc.elerometer asks for nothing beyond the download.
G ships an update every 4 days, Acc.elerometer every 20 months. The most recent releases landed on July 4, 2026 and September 16, 2026 respectively.
| Parameter | G | Acc.elerometer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 4 days — better | Every 20 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad |
| Requires iOS | 14.7 — better | 26.0 |
| Further details — not scored | ||
| Size | 35 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Stratos Perception, LLC | Pantiukhin Andrei |
In-app purchases
G
- Multi-Plot$0.99
- Professional$3.99
Acc.elerometer
No in-app purchases









