# Sensor Logger vs Auto Memo Recorder

The clearest difference is price: Sensor Logger at Free against Auto Memo Recorder's $2.99. Sensor Logger also leads on rating (4.8 vs 2.6) and ratings volume (111 vs 7). Auto Memo Recorder's advantage is in-app purchases (none vs 6) and review sentiment (59% vs 44%). On update cadence, ads, device support and iOS requirement there is nothing between them.

Sensor Logger is free to download; Auto Memo Recorder costs $2.99 up front. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month. Auto Memo Recorder asks for nothing beyond the download.

Sensor Logger holds the better App Store score, 4.8 against 2.6. That said, the two scores are not equally well evidenced: Sensor Logger has 111 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 44% of Sensor Logger's written reviews are positive against 59% of Auto Memo Recorder's, so the app with the better star average is not the one people write more warmly about.

Sensor Logger ships an update weekly, Auto Memo Recorder fortnightly. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sensor Logger | Auto Memo Recorder |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (111 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | [2.6 (7 ratings)](https://appshunter.io/ios/app/auto-memo-recorder/id6742404093/reviews) |
| Number of ratings | **111** | 7 |
| Positive reviews | 44.4% of reviews | **58.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 81 MB | 8 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Choi Tsz Hei](https://appshunter.io/developer/1531583287) | [David Kellas](https://appshunter.io/developer/1798195789) |

## 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 |


### Auto Memo Recorder

[App page](https://appshunter.io/ios/app/auto-memo-recorder/id6742404093)

Effortlessly capture voice memos with one-tap recording, iCloud sync, and seamless integration with CarPlay and Apple Watch. Review, organize, and share your audio notes with ease, even while driving.

**Highlights:** One-tap recording, CarPlay integration, Apple Watch standalone recording, iCloud sync, Adjustable playback speed, Filter recordings by category, Transcription and sharing

**Features:** macOS Compatibility, Apple Watch app, 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 Auto Memo Recorder free?

Auto Memo Recorder costs $2.99, with no in-app purchases.

### Which has better reviews, Sensor Logger or Auto Memo Recorder?

Sensor Logger is rated higher. Sensor Logger averages 4.8 out of 5 from 111 ratings, while Auto Memo Recorder averages 2.6 from 7 ratings.

### Do Sensor Logger or Auto Memo Recorder have ads?

Neither Sensor Logger nor Auto Memo Recorder shows ads.

### Which is updated more often, Sensor Logger or Auto Memo Recorder?

Sensor Logger ships an update weekly, and Auto Memo Recorder fortnightly. Most recently, Sensor Logger was updated on September 23, 2026 and Auto Memo Recorder on September 24, 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.*