# 24H vs Nostalgia Notes

The clearest difference is price: Nostalgia Notes at Free against 24H's $1.99. Nostalgia Notes also leads on in-app purchases (none vs 3) and update cadence (every 4 days vs every 5 weeks). 24H's advantage is ads (none vs shown) and review sentiment (59% vs 50%). On device support there is nothing between them.

Nostalgia Notes is free to download; 24H costs $1.99 up front. 24H sells 3 one-off in-app purchases. Nostalgia Notes asks for nothing beyond the download.

24H ships an update every 5 weeks, Nostalgia Notes every 4 days. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 24H | Nostalgia Notes |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (190 ratings)](https://appshunter.io/ios/app/24h-hours-tracker-for-work-sleep-cycle-analysis/id1090728028/reviews)** | — |
| Number of ratings | **190** | — |
| Positive reviews | **58.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 11 MB | 6 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Picup Inc.](https://appshunter.io/developer/955448004) | [Masaaki Kishimoto](https://appshunter.io/developer/1754276430) |

## What reviewers say

### 24H

[App page](https://appshunter.io/ios/app/24h-hours-tracker-for-work-sleep-cycle-analysis/id1090728028)

Easily log and analyze your daily activities, including work, sleep, and exercise. This intuitive app allows for quick creation, editing, and deletion of time logs with simple tap and drag gestures. Visualize your cycles with pinch-to-zoom functionality.

**Highlights:** Log work, sleep, and exercise cycles, Intuitive drag-and-drop logging, Easy log editing and deletion, Pinch-to-zoom for detailed analysis, No advertisements

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Generous Tip | $1.99 | one-time |
| Massive Tip | $2.99 | one-time |
| Amazing Tip | $4.99 | one-time |


### Nostalgia Notes

[App page](https://appshunter.io/ios/app/nostalgia-notes/id6532611771)

Easily create, update, and delete diary entries. Review past entries sorted by day, week, month, or year. Track your progress with enriched statistical data to stay motivated.

**Highlights:** Diary creation, Update diary entries, Delete diary entries, Review past entries, Sort entries by date, Statistical data tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 24H free?

24H costs $1.99, and also offers in-app purchases.

### Is Nostalgia Notes free?

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

### Do 24H or Nostalgia Notes have ads?

Nostalgia Notes shows ads; 24H does not.

### Which is updated more often, 24H or Nostalgia Notes?

24H ships an update every 5 weeks, and Nostalgia Notes every 4 days. Most recently, 24H was updated on September 23, 2026 and Nostalgia Notes on June 1, 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.*