# Fast Diary vs Memory Memos

The clearest difference is ads: Memory Memos at none against Fast Diary's shown. Memory Memos also leads on update cadence (every 10 days vs every 3 months) and iOS requirement (13.6 vs 16.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Fast Diary sells 1 one-off in-app purchase and Memory Memos sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fast Diary ships an update every 3 months, Memory Memos every 10 days. The most recent releases landed on August 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Fast Diary | Memory Memos |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 89 MB | 236 MB |
| Requires iOS | 16.4 | **13.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Nakamura](https://appshunter.io/developer/1482524589) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### Fast Diary

[App page](https://appshunter.io/ios/app/fast-diary/id1502008283)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad hiding option | $0.99 | one-time |


### Memory Memos

[App page](https://appshunter.io/ios/app/memory-memos/id1592968579)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Remove | $0.99 | one-time |


## Frequently asked questions

### Is Fast Diary free?

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

### Is Memory Memos free?

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

### Do Fast Diary or Memory Memos have ads?

Fast Diary shows ads; Memory Memos does not.

### Which is updated more often, Fast Diary or Memory Memos?

Fast Diary ships an update every 3 months, and Memory Memos every 10 days. Most recently, Fast Diary was updated on August 17, 2026 and Memory Memos on September 14, 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.*