# 窯焼きピザotto vs ISSI

The clearest difference is iOS requirement: 窯焼きピザotto at 9.0 against ISSI's 12.0. 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.

窯焼きピザotto ships an update every 38 months, ISSI every 39 months. The most recent releases landed on March 22, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | 窯焼きピザotto | ISSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 17 MB | 16 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [TAKASHI WADA](https://appshunter.io/developer/1530511884) | [HIROMI ISHIZAKI](https://appshunter.io/developer/1677050689) |

## What reviewers say

### 窯焼きピザotto

[App page](https://appshunter.io/ios/app/otto/id1530511882)

**In-app purchases:** none


### ISSI

[App page](https://appshunter.io/ios/app/issi/id6446264889)

**In-app purchases:** none


## Frequently asked questions

### Is 窯焼きピザotto free?

窯焼きピザotto is free to download, with no in-app purchases.

### Is ISSI free?

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

### Do 窯焼きピザotto or ISSI have ads?

Neither 窯焼きピザotto nor ISSI shows ads.

### Which is updated more often, 窯焼きピザotto or ISSI?

窯焼きピザotto ships an update every 38 months, and ISSI every 39 months. Most recently, 窯焼きピザotto was updated on March 22, 2026 and ISSI on October 18, 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.*