# Trigonometric Calculation vs Airbin

The clearest difference is in-app purchases: Trigonometric Calculation at none against Airbin's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Airbin sells 3 in-app purchases, starting at $6.99 per month. Trigonometric Calculation asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Trigonometric Calculation | Airbin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/airbin/id6757112260/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 5 MB | 75 MB |
| Requires iOS | **15.5** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Risako Asai](https://appshunter.io/developer/1671273580) | [Harmandeep Mand](https://appshunter.io/developer/1638998439) |

## What reviewers say

### Trigonometric Calculation

[App page](https://appshunter.io/ios/app/trigonometric-calculation/id1636196284)

**Features:** macOS Compatibility

**In-app purchases:** none


### Airbin

[App page](https://appshunter.io/ios/app/airbin/id6757112260)

This AI-powered studio generates images, videos, music, and code from chat prompts. It also offers cloud storage, file organization, and a community gallery for inspiration.  Users can access basic features for free or upgrade for enhanced capabilities.

**Highlights:** AI image generation, AI video creation, AI music composition, AI code assistance, Cloud file storage, Community gallery, Real-time AI chat

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CloudPlus | $6.99 | per month |
| CloudPro | $19.99 | per month |
| CloudAI | $36.99 | per month |


## Frequently asked questions

### Is Trigonometric Calculation free?

Trigonometric Calculation is free to download, with no in-app purchases.

### Is Airbin free?

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

### Do Trigonometric Calculation or Airbin have ads?

Both Trigonometric Calculation and Airbin show ads.

### Which is updated more often, Trigonometric Calculation or Airbin?

Trigonometric Calculation ships an update every 6 weeks, and Airbin every 6 weeks. Most recently, Trigonometric Calculation was updated on October 13, 2026 and Airbin on October 6, 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.*