# Check In Class vs ZEUS Power

The clearest difference is update cadence: ZEUS Power at every 4 weeks against Check In Class's every 5 months. ZEUS Power also leads on iOS requirement (13.0 vs 15.1). 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.

Check In Class ships an update every 5 months, ZEUS Power every 4 weeks. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Check In Class | ZEUS Power |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Size | 37 MB | 59 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Piraeus Bank S.A.](https://appshunter.io/developer/436776671) | [Smart Business IoT L.P](https://appshunter.io/developer/1764492949) |

## What reviewers say

### Check In Class

[App page](https://appshunter.io/ios/app/check-in-class/id1645069339)

**In-app purchases:** none


### ZEUS Power

[App page](https://appshunter.io/ios/app/zeus-power/id6657983085)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Check In Class free?

Check In Class is free to download, with no in-app purchases.

### Is ZEUS Power free?

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

### Do Check In Class or ZEUS Power have ads?

Neither Check In Class nor ZEUS Power shows ads.

### Which is updated more often, Check In Class or ZEUS Power?

Check In Class ships an update every 5 months, and ZEUS Power every 4 weeks. Most recently, Check In Class was updated on October 22, 2026 and ZEUS Power on October 27, 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.*