# Maths PDF vs Recall Notes

The clearest difference is ads: Maths PDF at none against Recall Notes's shown. Maths PDF also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, 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.

Maths PDF ships an update every 3 months, Recall Notes every 2 months. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Maths PDF | Recall Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 38 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ali hamraoui](https://appshunter.io/developer/1174501490) | [MIRAI JIMUKYOKU KENKYUJO, K.K.](https://appshunter.io/developer/6782555043) |

## What reviewers say

### Maths PDF

[App page](https://appshunter.io/ios/app/maths-pdf/id1482882418)

**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 Maths PDF free?

Maths PDF 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 Maths PDF or Recall Notes have ads?

Recall Notes shows ads; Maths PDF does not.

### Which is updated more often, Maths PDF or Recall Notes?

Maths PDF ships an update every 3 months, and Recall Notes every 2 months. Most recently, Maths PDF was updated on October 14, 2026 and Recall Notes on October 12, 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.*