# OTE IM Power vs CZSO

The clearest difference is update cadence: CZSO at monthly against OTE IM Power's every 12 months. OTE IM Power's advantage is iOS requirement (11.0 vs 13.0). 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.

OTE IM Power ships an update every 12 months, CZSO monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | OTE IM Power | CZSO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 15 MB | 8 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OTE, a. s.](https://appshunter.io/developer/1284658923) | [Cesky statisticky urad](https://appshunter.io/developer/805764166) |

## What reviewers say

### OTE IM Power

[App page](https://appshunter.io/ios/app/ote-im-power/id1536961358)

**Features:** macOS Compatibility

**In-app purchases:** none


### CZSO

[App page](https://appshunter.io/ios/app/czso/id1604362113)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTE IM Power free?

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

### Is CZSO free?

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

### Do OTE IM Power or CZSO have ads?

Neither OTE IM Power nor CZSO shows ads.

### Which is updated more often, OTE IM Power or CZSO?

OTE IM Power ships an update every 12 months, and CZSO monthly. Most recently, OTE IM Power was updated on October 25, 2026 and CZSO on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*