# Sensor vs Tinker

The clearest difference is in-app purchases: Sensor at none against Tinker's 1. Sensor also leads on device support (3 vs 1). Tinker's advantage is rating (4.3 vs 4.0). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. Tinker sells 1 one-off in-app purchase. Sensor asks for nothing beyond the download.

Tinker holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 56% of Sensor's written reviews are positive against 60% of Tinker's.

Sensor ships an update every 2 months, Tinker every 3 months. The most recent releases landed on September 10, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Sensor | Tinker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/sensor-app/id1466399692/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/tinker-watch-face-studio/id6740776805/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 55.6% of reviews | **60.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 29 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Volker Schmitt](https://appshunter.io/developer/1466399691) | [Rasmus Nielsen](https://appshunter.io/developer/1749229300) |

## What reviewers say

### Sensor

[App page](https://appshunter.io/ios/app/sensor-app/id1466399692)

Access and utilize all your device's sensors with this comprehensive tool. Explore GPS, gyroscope, acceleration, magnetometer, altimeter, and attitude data for various applications and research.

**Highlights:** Access GPS for precise location, Utilize gyroscope for orientation, Measure acceleration and movement, Detect magnetic fields with magnetometer, Access altimeter and pressure data, Monitor device attitude (roll, pitch, yaw)

**In-app purchases:** none


### Tinker

[App page](https://appshunter.io/ios/app/tinker-watch-face-studio/id6740776805)

Design and personalize your phone's home screen with custom watch face widgets. Choose from pre-made assets or build your own unique timepiece to match your style. Set up your custom widget in seconds for a personalized look.

**Highlights:** Design custom watch face widgets, Use pre-defined assets, Build widgets from scratch, Customize backgrounds, hands, and centerpieces, Import custom assets, Add widgets to home screen

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $3.99 | one-time |


## Frequently asked questions

### Is Sensor free?

Sensor is free to download, with no in-app purchases.

### Is Tinker free?

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

### Which has better reviews, Sensor or Tinker?

Tinker is rated higher. Sensor averages 4.0 out of 5 from 4 ratings, while Tinker averages 4.3 from 3 ratings.

### Do Sensor or Tinker have ads?

Neither Sensor nor Tinker shows ads.

### Which is updated more often, Sensor or Tinker?

Sensor ships an update every 2 months, and Tinker every 3 months. Most recently, Sensor was updated on September 10, 2026 and Tinker 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.*