# DEEP vs Polish（ポリッシュ）

The clearest difference is iOS requirement: DEEP at 8.0 against Polish（ポリッシュ）'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.

DEEP ships an update every 20 months, Polish（ポリッシュ） every 24 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | DEEP | Polish（ポリッシュ） |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 20 months** | Every 24 months |
| Size | 3 MB | 4 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [shingo kamei](https://appshunter.io/developer/1256845824) | [Shigeki Hanai](https://appshunter.io/developer/1589186040) |

## What reviewers say

### DEEP

[App page](https://appshunter.io/ios/app/deep/id1518531456)

**In-app purchases:** none


### Polish（ポリッシュ）

[App page](https://appshunter.io/ios/app/polish/id1589186038)

**In-app purchases:** none


## Frequently asked questions

### Is DEEP free?

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

### Is Polish（ポリッシュ） free?

Polish（ポリッシュ） is free to download, with no in-app purchases.

### Do DEEP or Polish（ポリッシュ） have ads?

Neither DEEP nor Polish（ポリッシュ） shows ads.

### Which is updated more often, DEEP or Polish（ポリッシュ）?

DEEP ships an update every 20 months, and Polish（ポリッシュ） every 24 months. Most recently, DEEP was updated on October 3, 2026 and Polish（ポリッシュ） on October 10, 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.*