# Just Sensors vs Sensor Toolkit

The clearest difference is price: Sensor Toolkit at Free against Just Sensors's $0.99. Sensor Toolkit also leads on iOS requirement (15.6 vs 18.6). Just Sensors's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Sensor Toolkit is free to download; Just Sensors costs $0.99 up front. Sensor Toolkit sells 4 one-off in-app purchases. Just Sensors asks for nothing beyond the download.

Just Sensors ships an update every 6 days, Sensor Toolkit every 3 weeks. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Just Sensors | Sensor Toolkit |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/just-sensors/id6758069414/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 9 MB | 54 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Smith](https://appshunter.io/developer/1599414012) | [Dylan Calin](https://appshunter.io/developer/1832226530) |

## What reviewers say

### Just Sensors

[App page](https://appshunter.io/ios/app/just-sensors/id6758069414)

Explore your device's internal sensors with real-time visualizations. Monitor motion, location, audio, light, and device state data. Record and export sensor readings for analysis.

**Highlights:** Visualize 17+ device sensors, Real-time data visualizations, Bluetooth BLE scanner, Record and export sensor data, Device information and settings, Live sensor previews

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

**In-app purchases:** none


### Sensor Toolkit

[App page](https://appshunter.io/ios/app/sensor-toolkit-smart-tools/id6758297155)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Tip | $1.00 | one-time |
| SensorKit Pro | $1.99 | one-time |
| Pizza Tip | $2.00 | one-time |
| Diamond Tip | $5.00 | one-time |


## Frequently asked questions

### Is Just Sensors free?

Just Sensors costs $0.99, with no in-app purchases.

### Is Sensor Toolkit free?

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

### Do Just Sensors or Sensor Toolkit have ads?

Sensor Toolkit shows ads; Just Sensors does not.

### Which is updated more often, Just Sensors or Sensor Toolkit?

Just Sensors ships an update every 6 days, and Sensor Toolkit every 3 weeks. Most recently, Just Sensors was updated on September 21, 2026 and Sensor Toolkit on September 11, 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.*