# SensorLogger vs bookiboo

The clearest difference is price: bookiboo at Free against SensorLogger's $0.99. SensorLogger's advantage is in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

bookiboo is free to download; SensorLogger costs $0.99 up front. bookiboo sells 1 one-off in-app purchase. SensorLogger asks for nothing beyond the download.

SensorLogger ships an update every 3 weeks, bookiboo every 4 months. The most recent releases landed on October 20, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SensorLogger | bookiboo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/sensorlogger-csv-export/id1505203547/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Paid | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kazumasa Wakamori](https://appshunter.io/developer/1505203546) | [Dominik Kolb](https://appshunter.io/developer/1527901253) |

## What reviewers say

### SensorLogger

[App page](https://appshunter.io/ios/app/sensorlogger-csv-export/id1505203547)

Record acceleration, gyroscope, and magnetic field data in real-time or at higher frequencies. Export your sensor readings as a CSV file for further analysis. Optimize data collection by toggling visualization settings.

**Highlights:** Log acceleration, gyroscope, and magnetic field, Synchronous sensor measurement, Real-time data visualization, Adjustable sampling frequency, Export data as CSV file

**Features:** Vision Pro support

**In-app purchases:** none


### bookiboo

[App page](https://appshunter.io/ios/app/bookiboo/id6738869531)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| bookiboo Pro | $3.99 | one-time |


## Frequently asked questions

### Is SensorLogger free?

SensorLogger costs $0.99, with no in-app purchases.

### Is bookiboo free?

bookiboo is free to download, with in-app purchases available.

### Do SensorLogger or bookiboo have ads?

Neither SensorLogger nor bookiboo shows ads.

### Which is updated more often, SensorLogger or bookiboo?

SensorLogger ships an update every 3 weeks, and bookiboo every 4 months. Most recently, SensorLogger was updated on October 20, 2026 and bookiboo on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*