# Sensor Logger vs Smart Scale

The clearest difference is update cadence: Sensor Logger at weekly against Smart Scale's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sensor Logger sells 6 in-app purchases, starting at $4.99 per month and Smart Scale sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sensor Logger ships an update weekly, Smart Scale every 3 months. The most recent releases landed on October 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Sensor Logger | Smart Scale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (113 ratings)](https://appshunter.io/ios/app/sensor-logger/id1531582925/reviews)** | — |
| Number of ratings | **113** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 59 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Logger Labs LTD](https://appshunter.io/developer/1531583287) | [Yorgi Del Rio](https://appshunter.io/developer/1845433622) |

## 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 |


### Smart Scale

[App page](https://appshunter.io/ios/app/smart-scale-ai-measure/id6758620582)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Annual | $29.99 | per year |


## Frequently asked questions

### Is Sensor Logger free?

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

### Is Smart Scale free?

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

### Do Sensor Logger or Smart Scale have ads?

Neither Sensor Logger nor Smart Scale shows ads.

### Which is updated more often, Sensor Logger or Smart Scale?

Sensor Logger ships an update weekly, and Smart Scale every 3 months. Most recently, Sensor Logger was updated on October 22, 2026 and Smart Scale on October 18, 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.*