# Fast Diary vs Volcano With TODO

The clearest difference is in-app purchases: Volcano With TODO at none against Fast Diary's 1. Volcano With TODO also leads on ads (none vs shown) and update cadence (fortnightly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Fast Diary sells 1 one-off in-app purchase. Volcano With TODO asks for nothing beyond the download.

Fast Diary ships an update every 3 months, Volcano With TODO fortnightly. The most recent releases landed on August 17, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Fast Diary | Volcano With TODO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 89 MB | 33 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Haruya Nakamura](https://appshunter.io/developer/1482524589) | [Aoi Orio](https://appshunter.io/developer/1721456912) |

## 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 |


### Volcano With TODO

[App page](https://appshunter.io/ios/app/volcano-with-todo/id6657991782)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fast Diary free?

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

### Is Volcano With TODO free?

Volcano With TODO is free to download, with no in-app purchases.

### Do Fast Diary or Volcano With TODO have ads?

Fast Diary shows ads; Volcano With TODO does not.

### Which is updated more often, Fast Diary or Volcano With TODO?

Fast Diary ships an update every 3 months, and Volcano With TODO fortnightly. Most recently, Fast Diary was updated on August 17, 2026 and Volcano With TODO on May 16, 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.*