# IZAKAYA？CHAIN 公式アプリ vs ISSI

IZAKAYA？CHAIN 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.

IZAKAYA？CHAIN 公式アプリ ships an update every 38 months, ISSI every 39 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IZAKAYA？CHAIN 公式アプリ | ISSI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 38 months** | Every 39 months |
| Size | 16 MB | 16 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [MASAMICHI SUZUKI](https://appshunter.io/developer/1503312840) | [HIROMI ISHIZAKI](https://appshunter.io/developer/1677050689) |

## What reviewers say

### IZAKAYA？CHAIN 公式アプリ

[App page](https://appshunter.io/ios/app/izakayachain/id1503312841)

**In-app purchases:** none


### ISSI

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

**In-app purchases:** none


## Frequently asked questions

### Is IZAKAYA？CHAIN 公式アプリ free?

IZAKAYA？CHAIN 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 IZAKAYA？CHAIN 公式アプリ or ISSI have ads?

Neither IZAKAYA？CHAIN 公式アプリ nor ISSI shows ads.

### Which is updated more often, IZAKAYA？CHAIN 公式アプリ or ISSI?

IZAKAYA？CHAIN 公式アプリ ships an update every 38 months, and ISSI every 39 months. Most recently, IZAKAYA？CHAIN 公式アプリ was updated on November 7, 2026 and ISSI on November 3, 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.*