# Sensor Logger vs ABT9000

The clearest difference is in-app purchases: ABT9000 at none against Sensor Logger's 6. Sensor Logger's advantage is update cadence (weekly vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month. ABT9000 asks for nothing beyond the download.

Sensor Logger ships an update weekly, ABT9000 every 3 months. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Sensor Logger | ABT9000 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (111 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | — |
| Number of ratings | **111** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 115 MB |
| Requires iOS | 16.4 | **16.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Choi Tsz Hei](https://appshunter.io/developer/1531583287) | [Abtus Ltd](https://appshunter.io/developer/1568295463) |

## What reviewers say

### Sensor Logger

[App page](https://appshunter.io/ios/app/sensor-logger/id1531582925)

This app collects and displays data from various device sensors, including motion, GPS, and audio. It offers background recording, interactive plots, and multiple export formats. Advanced features allow for data streaming, systematic data collection from other users, and creating shareable data-driven dashboards.

**Highlights:** One-tap logging, Background recording, Interactive plot visualization, Data streaming (HTTP/MQTT), CSV, JSON, Excel, KML exports, Create and share data dashboards, Systematic data collection studies

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $4.99 | per month |
| Pro Monthly | $9.99 | per month |
| Ultimate Monthly | $24.99 | per month |
| Plus Yearly | $49.99 | per year |
| Pro Yearly | $99.99 | per year |
| Ultimate Yearly | $249.99 | per year |


### ABT9000

[App page](https://appshunter.io/ios/app/abt9000/id6746047514)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Logger free?

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

### Is ABT9000 free?

ABT9000 is free to download, with no in-app purchases.

### Do Sensor Logger or ABT9000 have ads?

Neither Sensor Logger nor ABT9000 shows ads.

### Which is updated more often, Sensor Logger or ABT9000?

Sensor Logger ships an update weekly, and ABT9000 every 3 months. Most recently, Sensor Logger was updated on September 23, 2026 and ABT9000 on September 13, 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.*