# ひたすら積分 vs Recall Notes

The clearest difference is iOS requirement: ひたすら積分 at 13.0 against Recall Notes's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | ひたすら積分 | Recall Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 months |
| Size | 21 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [nihei keita](https://appshunter.io/developer/1866466968) | [MIRAI JIMUKYOKU KENKYUJO, K.K.](https://appshunter.io/developer/6782555043) |

## What reviewers say

### ひたすら積分

[App page](https://appshunter.io/ios/app/id6774960981)

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

**In-app purchases:** none


### Recall Notes

[App page](https://appshunter.io/ios/app/recall-notes-study-and-recall/id6782555041)

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

**In-app purchases:** none


## Frequently asked questions

### Is ひたすら積分 free?

ひたすら積分 is free to download, with no in-app purchases.

### Is Recall Notes free?

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

### Do ひたすら積分 or Recall Notes have ads?

Both ひたすら積分 and Recall Notes show ads.

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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.*