# iwachi vs C

The clearest difference is update cadence: C at fortnightly against iwachi's every 25 months. C also leads on iOS requirement (9.0 vs 11.0). 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.

iwachi ships an update every 25 months, C fortnightly. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iwachi | C |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 25 months | **Fortnightly** |
| Size | 191 MB | 117 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gao Yang Electric Company Limited](https://appshunter.io/developer/1618002633) | [Comforta Company Limited](https://appshunter.io/developer/1644309751) |

## What reviewers say

### iwachi

[App page](https://appshunter.io/ios/app/iwachi/id1618002631)

**Features:** macOS Compatibility

**In-app purchases:** none


### C

[App page](https://appshunter.io/ios/app/c-curity/id1644309749)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iwachi free?

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

### Is C free?

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

### Do iwachi or C have ads?

Neither iwachi nor C shows ads.

### Which is updated more often, iwachi or C?

iwachi ships an update every 25 months, and C fortnightly. Most recently, iwachi was updated on October 4, 2026 and C on September 29, 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.*