# Swipe Memo vs ZZZ Let's Read!

The clearest difference is in-app purchases: Swipe Memo at none against ZZZ Let's Read!'s 1. ZZZ Let's Read!'s advantage is update cadence (fortnightly vs every 3 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. ZZZ Let's Read! sells 1 in-app purchase, starting at $0.99 per month. Swipe Memo asks for nothing beyond the download.

Swipe Memo ships an update every 3 months, ZZZ Let's Read! fortnightly. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Swipe Memo | ZZZ Let's Read! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 13 MB | 125 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuya Tajima](https://appshunter.io/developer/1635562252) | [SMOLT STAGE, K.K.](https://appshunter.io/developer/1708601451) |

## What reviewers say

### Swipe Memo

[App page](https://appshunter.io/ios/app/swipe-memo/id1635562250)

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

**In-app purchases:** none


### ZZZ Let's Read!

[App page](https://appshunter.io/ios/app/zzz-lets-read/id6771560607)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZZZ Let's Read! Premium | $0.99 | per month |


## Frequently asked questions

### Is Swipe Memo free?

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

### Is ZZZ Let's Read! free?

ZZZ Let's Read! is free to download, with in-app purchases available.

### Do Swipe Memo or ZZZ Let's Read! have ads?

Neither Swipe Memo nor ZZZ Let's Read! shows ads.

### Which is updated more often, Swipe Memo or ZZZ Let's Read!?

Swipe Memo ships an update every 3 months, and ZZZ Let's Read! fortnightly. Most recently, Swipe Memo was updated on September 26, 2026 and ZZZ Let's Read! 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.*