# Calcute vs Diary Duck

Calcute and Diary Duck both sit at 4.7 stars, but that hides the real split: 78% of Calcute's written reviews are positive against 33% of Diary Duck's. Calcute also leads on ratings volume (231 vs 77). Diary Duck's advantage is update cadence (weekly vs every 13 months). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Calcute sells 1 one-off in-app purchase and Diary Duck sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Calcute against 4.6 for Diary Duck. Both are backed by a comparable volume of ratings — 231 and 77 respectively. Written reviews are what separate them: 78% of Calcute's written reviews are positive against 33% of Diary Duck's.

Calcute ships an update every 13 months, Diary Duck weekly. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Calcute | Diary Duck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (231 ratings)](https://appshunter.io/ios/app/calcute/id1415237829/reviews)** | [4.6 (77 ratings)](https://appshunter.io/ios/app/diary-duck-cute-note-apps/id1638511588/reviews) |
| Number of ratings | **231** | 77 |
| Positive reviews | **78.1% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 205 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [sky-nexus Inc.](https://appshunter.io/developer/512522554) | [立桓 孙](https://appshunter.io/developer/1543518388) |

## What reviewers say

### Calcute

[App page](https://appshunter.io/ios/app/calcute/id1415237829)

This calculator app allows users to personalize their experience with a selection of Japanese cute wallpapers. It prioritizes ease of use, enabling users to save calculation results and review their input process to quickly identify errors.

**Highlights:** Japanese cute wallpaper selection, Save calculation results, View input process, Error identification, Easy to use interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hides the ads in the app. | $1.99 | one-time |


### Diary Duck

[App page](https://appshunter.io/ios/app/diary-duck-cute-note-apps/id1638511588)

Create beautiful digital journals with a vast collection of stickers, templates, and AI-powered tools. Easily design custom layouts and protect your memories with password protection. Regularly updated with new materials and features.

**Highlights:** Extensive sticker and background materials, AI sticker generation, Hand account templates, Pen and tape drawing tools, Password protection for journals, Regular content updates

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | per month |
| 年度会员 | $9.99 | per year |
| 终身会员 | $6.99 | one-time |


## Frequently asked questions

### Is Calcute free?

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

### Is Diary Duck free?

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

### Which has better reviews, Calcute or Diary Duck?

Calcute is rated higher. Calcute averages 4.7 out of 5 from 231 ratings, while Diary Duck averages 4.6 from 77 ratings.

### Do Calcute or Diary Duck have ads?

Both Calcute and Diary Duck show ads.

### Which is updated more often, Calcute or Diary Duck?

Calcute ships an update every 13 months, and Diary Duck weekly. Most recently, Calcute was updated on September 13, 2026 and Diary Duck on September 23, 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.*