# Sensorist vs MyContactBook

The clearest difference is rating: MyContactBook at 5.0 against Sensorist's 4.7. Sensorist's advantage is ratings volume (3 vs 1) and iOS requirement (12.0 vs 14.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MyContactBook holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Sensorist ships an update every 3 months, MyContactBook every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sensorist | MyContactBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3 ratings)](https://appshunter.io/ios/app/sensorist/id692718523/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mycontactbook/id6738055207/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 198 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sensorist ApS](https://appshunter.io/developer/692718526) | [BodyBook, Inc](https://appshunter.io/developer/1779108450) |

## What reviewers say

### Sensorist

[App page](https://appshunter.io/ios/app/sensorist/id692718523)

Monitor environmental conditions like temperature, humidity, and air quality remotely. Access your data from anywhere via the web or mobile app. Requires dedicated hardware to function.

**Highlights:** Measure temperature, humidity, CO2, VOC, Monitor barometric pressure and water levels, Online data storage, Remote access via website and app, Requires dedicated hardware

**Features:** macOS Compatibility

**In-app purchases:** none


### MyContactBook

[App page](https://appshunter.io/ios/app/mycontactbook/id6738055207)

Effortlessly organize and communicate with your contacts. Group them into custom categories for swift communication and ensure all your contacts are accounted for with automatic synchronization.

**Highlights:** Organize contacts into groups, Create custom contact groups, Swift group communication, Automatic contact synchronization, Manage existing and new contacts

**In-app purchases:** none


## Frequently asked questions

### Is Sensorist free?

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

### Is MyContactBook free?

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

### Which has better reviews, Sensorist or MyContactBook?

MyContactBook is rated higher. Sensorist averages 4.7 out of 5 from 3 ratings, while MyContactBook averages 5.0 from 1 ratings.

### Do Sensorist or MyContactBook have ads?

Neither Sensorist nor MyContactBook shows ads.

### Which is updated more often, Sensorist or MyContactBook?

Sensorist ships an update every 3 months, and MyContactBook every 2 months. Most recently, Sensorist was updated on October 23, 2026 and MyContactBook on October 25, 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.*