# Memento vs ArkNote

The clearest difference is in-app purchases: Memento at none against ArkNote's 3. Memento also leads on update cadence (daily vs every 3 days). ArkNote's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price and ads there is nothing between them.

Both are free to download. ArkNote sells 3 in-app purchases, starting at $3.99 per month. Memento asks for nothing beyond the download.

Memento ships an update daily, ArkNote every 3 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Memento | ArkNote |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Size | 1 MB | 10 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yichao Li](https://appshunter.io/developer/1894684664) | [LexyTech Ltd.](https://appshunter.io/developer/1643712954) |

## What reviewers say

### Memento

[App page](https://appshunter.io/ios/app/memento-second-memory/id6763452017)

**Features:** macOS Compatibility

**In-app purchases:** none


### ArkNote

[App page](https://appshunter.io/ios/app/arknote-adhd-friendly-notes/id6800532358)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $6.99 | per year |
| PRO | $14.99 | one-time |


## Frequently asked questions

### Is Memento free?

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

### Is ArkNote free?

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

### Do Memento or ArkNote have ads?

Neither Memento nor ArkNote shows ads.

### Which is updated more often, Memento or ArkNote?

Memento ships an update daily, and ArkNote every 3 days. Most recently, Memento was updated on September 17, 2026 and ArkNote on September 10, 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.*