# SensorLog vs TrueMeter

The clearest difference is price: TrueMeter at Free against SensorLog's $2.99. SensorLog's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

TrueMeter is free to download; SensorLog costs $2.99 up front. SensorLog sells 4 one-off in-app purchases and TrueMeter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SensorLog | TrueMeter |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (40 ratings)](https://appshunter.io/ios/app/sensorlog/id388014573/reviews)** | — |
| Number of ratings | **40** | — |
| Positive reviews | 69.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 8 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Thomas](https://appshunter.io/developer/385441510) | [Rene Fandida](https://appshunter.io/developer/1884296483) |

## What reviewers say

### SensorLog

[App page](https://appshunter.io/ios/app/sensorlog/id388014573)

Record and stream sensor data from your iPhone, iPad, and Apple Watch. Export data in CSV or JSON format, or send it via TCP, UDP, or HTTP requests. Integrates with Core ML models for advanced analysis.

**Highlights:** Log sensor data up to 100Hz, Stream data via TCP/UDP or HTTP, Export data as CSV or JSON, Remote client/server functionality, Siri and Shortcuts integration, Core ML model support, HealthKit data export from Apple Watch

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a Coffee ... | $0.99 | one-time |
| Spend me an Ice Cream ... | $1.99 | one-time |
| Offer me a glas of Wine ... | $5.99 | one-time |
| Invite me for a Cocktail ... | $9.99 | one-time |


### TrueMeter

[App page](https://appshunter.io/ios/app/truemeter-noise-and-light-meter/id6796615203)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| True Meter Pro | $4.99 | one-time |


## Frequently asked questions

### Is SensorLog free?

SensorLog costs $2.99, and also offers in-app purchases.

### Is TrueMeter free?

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

### Do SensorLog or TrueMeter have ads?

Neither SensorLog nor TrueMeter shows ads.

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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.*