# yorimichi【公式アプリ】 vs ISSI

yorimichi【公式アプリ】 and ISSI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

yorimichi【公式アプリ】 ships an update every 55 months, ISSI every 39 months. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | yorimichi【公式アプリ】 | ISSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 39 months** |
| Size | 14 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [TAKENO MISA](https://appshunter.io/developer/1595010100) | [HIROMI ISHIZAKI](https://appshunter.io/developer/1677050689) |

## What reviewers say

### yorimichi【公式アプリ】

[App page](https://appshunter.io/ios/app/yorimichi/id1595010098)

**In-app purchases:** none


### ISSI

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

**In-app purchases:** none


## Frequently asked questions

### Is yorimichi【公式アプリ】 free?

yorimichi【公式アプリ】 is free to download, with no in-app purchases.

### Is ISSI free?

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

### Do yorimichi【公式アプリ】 or ISSI have ads?

Neither yorimichi【公式アプリ】 nor ISSI shows ads.

### Which is updated more often, yorimichi【公式アプリ】 or ISSI?

yorimichi【公式アプリ】 ships an update every 55 months, and ISSI every 39 months. Most recently, yorimichi【公式アプリ】 was updated on October 24, 2026 and ISSI on October 30, 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.*