# NoteLM vs Sensor Multitool

The clearest difference is ads: NoteLM at none against Sensor Multitool's shown. NoteLM also leads on update cadence (every 9 days vs every 3 weeks) and device support (4 vs 2). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. NoteLM sells 3 in-app purchases, starting at $5.99 per month and Sensor Multitool sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for NoteLM against 5.0 for Sensor Multitool. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

NoteLM ships an update every 9 days, Sensor Multitool every 3 weeks. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NoteLM | Sensor Multitool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/notelm-private-ai/id6761753447/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sensor-multitool/id6762100818/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 120 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [xuezai lan](https://appshunter.io/developer/1871106100) | [Andrew Meyers](https://appshunter.io/developer/1879595732) |

## What reviewers say

### NoteLM

[App page](https://appshunter.io/ios/app/notelm-private-ai/id6761753447)

Transform your notes, files, and voice recordings into a private, searchable AI knowledge base. Chat with your documents and find information using semantic search, all offline and without tracking.

**Highlights:** Multi-format document import, Semantic and full-text search, Chat with your knowledge base, Local LLM support, 100% offline and private, Vector search for concept matching

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Yearly | $59.99 | per year |
| GemmaNote Pro Lifetime | $149.99 | one-time |


### Sensor Multitool

[App page](https://appshunter.io/ios/app/sensor-multitool/id6762100818)

Access real-time data from your device's built-in sensors, including accelerometer, gyroscope, magnetometer, altimeter, and compass. Choose from three sensitivity modes for raw, balanced, or smoothed data output. Ideal for makers, engineers, and hobbyists.

**Highlights:** Live sensor data dashboard, Accelerometer, Gyroscope, Magnetometer, Altimeter, Compass, Three sensitivity modes (Raw, Balanced, Smooth), On-device data processing, Real-time motion, rotation, and magnetic field readings, Altitude and pressure measurements

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Donation | $0.99 | one-time |
| Medium Donation | $2.99 | one-time |
| Large Donation | $4.99 | one-time |


## Frequently asked questions

### Is NoteLM free?

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

### Is Sensor Multitool free?

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

### Which has better reviews, NoteLM or Sensor Multitool?

NoteLM and Sensor Multitool are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do NoteLM or Sensor Multitool have ads?

Sensor Multitool shows ads; NoteLM does not.

### Which is updated more often, NoteLM or Sensor Multitool?

NoteLM ships an update every 9 days, and Sensor Multitool every 3 weeks. Most recently, NoteLM was updated on October 2, 2026 and Sensor Multitool on October 5, 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.*