# I’z vs ReiZ

The clearest difference is iOS requirement: I’z at 8.0 against ReiZ's 13.0. 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.

I’z ships an update every 38 months, ReiZ every 35 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | I’z | ReiZ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 35 months** |
| Size | 3 MB | 3 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cynd Co.,Ltd.](https://appshunter.io/developer/512501162) | [shingo kamei](https://appshunter.io/developer/1256845824) |

## What reviewers say

### I’z

[App page](https://appshunter.io/ios/app/iz/id1527214645)

**In-app purchases:** none


### ReiZ

[App page](https://appshunter.io/ios/app/reiz/id6443464237)

**In-app purchases:** none


## Frequently asked questions

### Is I’z free?

I’z is free to download, with no in-app purchases.

### Is ReiZ free?

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

### Do I’z or ReiZ have ads?

Neither I’z nor ReiZ shows ads.

### Which is updated more often, I’z or ReiZ?

I’z ships an update every 38 months, and ReiZ every 35 months. Most recently, I’z was updated on October 25, 2026 and ReiZ 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.*