# Hour by Hour vs Open Citadel

The clearest difference is in-app purchases: Open Citadel at none against Hour by Hour's 3. Open Citadel also leads on update cadence (fortnightly vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hour by Hour sells 3 in-app purchases, starting at $3.99 per 7 days. Open Citadel asks for nothing beyond the download.

Hour by Hour ships an update every 6 weeks, Open Citadel fortnightly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Hour by Hour | Open Citadel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 5 MB | 95 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Phuc Pham](https://appshunter.io/developer/1893081423) | [Thamsanqa Ncube](https://appshunter.io/developer/6789093614) |

## What reviewers say

### Hour by Hour

[App page](https://appshunter.io/ios/app/hour-by-hour-color-planner/id6771260468)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schedule Insights Weekly | $3.99 | per 7 days |
| Daily Routine Yearly | $19.99 | per year |
| Time Blocking: Pay Once | $39.99 | one-time |


### Open Citadel

[App page](https://appshunter.io/ios/app/open-citadel-self-development/id6789093612)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hour by Hour free?

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

### Is Open Citadel free?

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

### Do Hour by Hour or Open Citadel have ads?

Neither Hour by Hour nor Open Citadel shows ads.

### Which is updated more often, Hour by Hour or Open Citadel?

Hour by Hour ships an update every 6 weeks, and Open Citadel fortnightly. Most recently, Hour by Hour was updated on October 31, 2026 and Open Citadel on October 31, 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.*