# 艾易欧 vs Cuspart

The clearest difference is in-app purchases: 艾易欧 at none against Cuspart's 4. 艾易欧 also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Cuspart sells 4 in-app purchases, starting at $0.99 per month. 艾易欧 asks for nothing beyond the download.

艾易欧 ships an update every 5 weeks, Cuspart every 4 months. The most recent releases landed on October 12, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 艾易欧 | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cuspart-mycal/id1546543143/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 4 months |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 13 MB |
| Requires iOS | **13** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Wosen Media Co.,Ltd.](https://appshunter.io/developer/1187218336) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### 艾易欧

[App page](https://appshunter.io/ios/app/id1530657446)

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

**In-app purchases:** none


### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-mycal/id1546543143)

This app offers a professional-grade calculator with advanced math functions, a constants library, and intuitive history tracking. Customize your experience with various color themes and an accessible interface designed for ease of use.

**Highlights:** Basic and advanced arithmetic, Roots, powers, and logarithms, Constants library (π, e), Operation history, Customizable color themes, Accessible UI design

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $9.99 | per year |
| myCal Pro | $2.99 | one-time |


## Frequently asked questions

### Is 艾易欧 free?

艾易欧 is free to download, with no in-app purchases.

### Is Cuspart free?

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

### Do 艾易欧 or Cuspart have ads?

Cuspart shows ads; 艾易欧 does not.

### Which is updated more often, 艾易欧 or Cuspart?

艾易欧 ships an update every 5 weeks, and Cuspart every 4 months. Most recently, 艾易欧 was updated on October 12, 2026 and Cuspart on October 29, 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.*