# Memo vs Quad Notes

The clearest difference is in-app purchases: Quad Notes at none against Memo's 1. Memo's advantage is ads (none vs shown) and iOS requirement (13.6 vs 15.8.3). On price, update cadence and device support there is nothing between them.

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

Memo ships an update every 10 days, Quad Notes every 2 weeks. The most recent releases landed on October 2, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Memo | Quad Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 245 MB | 37 MB |
| Requires iOS | **13.6** | 15.8.3 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Man Hung Sun](https://appshunter.io/developer/1471605573) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo-elder-friendly/id1589638081)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


### Quad Notes

[App page](https://appshunter.io/ios/app/quad-notes/id6741947436)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memo free?

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

### Is Quad Notes free?

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

### Do Memo or Quad Notes have ads?

Quad Notes shows ads; Memo does not.

### Which is updated more often, Memo or Quad Notes?

Memo ships an update every 10 days, and Quad Notes every 2 weeks. Most recently, Memo was updated on October 2, 2026 and Quad Notes on September 23, 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.*