# Blue Diag App vs Year Progress

The clearest difference is in-app purchases: Blue Diag App at none against Year Progress's 3. Blue Diag App also leads on device support (3 vs 1) and iOS requirement (11.0 vs 17.0). Year Progress's advantage is update cadence (monthly vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Year Progress sells 3 in-app purchases, starting at $2.99 per 7 days. Blue Diag App asks for nothing beyond the download.

Blue Diag App ships an update every 3 months, Year Progress monthly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Blue Diag App | Year Progress |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 63 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fluidra Global Distribution S.L.](https://appshunter.io/developer/1626820054) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Blue Diag App

[App page](https://appshunter.io/ios/app/blue-diag-app/id1508019955)

**Features:** macOS Compatibility

**In-app purchases:** none


### Year Progress

[App page](https://appshunter.io/ios/app/year-progress-days-left/id6767788732)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Birthday Countdown | $2.99 | per 7 days |
| Annual Anniversary Countdown | $14.99 | per year |
| Milestone Tracker, Pay Once | $29.99 | one-time |


## Frequently asked questions

### Is Blue Diag App free?

Blue Diag App is free to download, with no in-app purchases.

### Is Year Progress free?

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

### Do Blue Diag App or Year Progress have ads?

Neither Blue Diag App nor Year Progress shows ads.

### Which is updated more often, Blue Diag App or Year Progress?

Blue Diag App ships an update every 3 months, and Year Progress monthly. Most recently, Blue Diag App was updated on October 25, 2026 and Year Progress on October 27, 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.*