# Study Time Memo vs PIECE

The clearest difference is in-app purchases: PIECE at none against Study Time Memo's 1. PIECE also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Study Time Memo sells 1 one-off in-app purchase. PIECE asks for nothing beyond the download.

## The numbers

| Metric | Study Time Memo | PIECE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | — | Every 4 days |
| Size | 5 MB | 9 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [丽佳 施](https://appshunter.io/developer/1894580777) | [Shuntaro Shimada](https://appshunter.io/developer/1851679432) |

## What reviewers say

### Study Time Memo

[App page](https://appshunter.io/ios/app/study-time-memo-subject-log/id6794255516)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### PIECE

[App page](https://appshunter.io/ios/app/piece/id6796343521)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Study Time Memo free?

Study Time Memo is free to download, with in-app purchases available.

### Is PIECE free?

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

### Do Study Time Memo or PIECE have ads?

Study Time Memo shows ads; PIECE does not.

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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.*