# Duck's Island vs Count Up! Calc

The clearest difference is in-app purchases: Count Up! Calc at none against Duck's Island's 4. Count Up! Calc also leads on update cadence (every 4 weeks vs every 2 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Duck's Island sells 4 one-off in-app purchases. Count Up! Calc asks for nothing beyond the download.

Duck's Island ships an update every 2 months, Count Up! Calc every 4 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Duck's Island | Count Up! Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ducks-island/id6748527337/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 126 MB | 273 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [new game style](https://appshunter.io/developer/524004114) | [MICHIKO MATSUMOTO](https://appshunter.io/developer/1896722182) |

## What reviewers say

### Duck's Island

[App page](https://appshunter.io/ios/app/ducks-island/id6748527337)

Engage in quick, soothing gameplay sessions with adorable ducks. Challenge wild ducks, power up your team, and decorate your island with collected rewards. Enjoy offline play and a unique duck choice system.

**Highlights:** Quick play sessions (< 5 minutes), Soothing duck animations, Offline play supported, Challenge wild ducks and bosses, Duck power-up system, Home screen decoration with miniatures

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock levels 6 and above | $1.99 | one-time |
| Expand the home | $1.99 | one-time |
| Owned widgets 99 | $1.99 | one-time |
| Four companions | $1.99 | one-time |


### Count Up! Calc

[App page](https://appshunter.io/ios/app/count-up-calc/id6770182207)

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

**In-app purchases:** none


## Frequently asked questions

### Is Duck's Island free?

Duck's Island is free to download, with in-app purchases available.

### Is Count Up! Calc free?

Count Up! Calc is free to download, with no in-app purchases.

### Do Duck's Island or Count Up! Calc have ads?

Both Duck's Island and Count Up! Calc show ads.

### Which is updated more often, Duck's Island or Count Up! Calc?

Duck's Island ships an update every 2 months, and Count Up! Calc every 4 weeks. Most recently, Duck's Island was updated on October 24, 2026 and Count Up! Calc on October 28, 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.*