# Sensor Life vs CalCollections

The clearest difference is update cadence: Sensor Life at every 10 days against CalCollections's every 4 weeks. Sensor Life also leads on iOS requirement (12.0 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

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

Sensor Life ships an update every 10 days, CalCollections every 4 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Sensor Life | CalCollections |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 4 weeks |
| Size | 40 MB | 2 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [北京威果智能科技有限公司](https://appshunter.io/developer/1089487571) | [The Calculator Store SLNE](https://appshunter.io/developer/1801462449) |

## What reviewers say

### Sensor Life

[App page](https://appshunter.io/ios/app/sensor-life/id6499489822)

**Features:** macOS Compatibility

**In-app purchases:** none


### CalCollections

[App page](https://appshunter.io/ios/app/calcollections/id6746972417)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sensor Life free?

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

### Is CalCollections free?

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

### Do Sensor Life or CalCollections have ads?

Neither Sensor Life nor CalCollections shows ads.

### Which is updated more often, Sensor Life or CalCollections?

Sensor Life ships an update every 10 days, and CalCollections every 4 weeks. Most recently, Sensor Life was updated on October 25, 2026 and CalCollections 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.*