# Trigonometric Equations vs Yiddish Dictionary

The clearest difference is price: Yiddish Dictionary at Free against Trigonometric Equations's $0.99. Yiddish Dictionary also leads on update cadence (every 2 months vs every 20 months). Trigonometric Equations's advantage is in-app purchases (none vs 3) and iOS requirement (9.0 vs 15.6). On ads and device support there is nothing between them.

Yiddish Dictionary is free to download; Trigonometric Equations costs $0.99 up front. Yiddish Dictionary sells 3 in-app purchases, starting at $2.99 per month. Trigonometric Equations asks for nothing beyond the download.

Trigonometric Equations ships an update every 20 months, Yiddish Dictionary every 2 months. The most recent releases landed on September 21, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Trigonometric Equations | Yiddish Dictionary |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Size | 10 MB | 25 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FadiSoft Inc.](https://appshunter.io/developer/721334526) | [iGeniusDev Technology](https://appshunter.io/developer/664580924) |

## What reviewers say

### Trigonometric Equations

[App page](https://appshunter.io/ios/app/trigonometric-equations/id927622565)

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

**In-app purchases:** none


### Yiddish Dictionary

[App page](https://appshunter.io/ios/app/yiddish-dictionary/id6738952951)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yiddish Dictionary : Sabdakosh | $2.99 | per month |
| English Yiddish Dictionary | $29.99 | per year |
| English to Yiddish Dictionary | $39.99 | one-time |


## Frequently asked questions

### Is Trigonometric Equations free?

Trigonometric Equations costs $0.99, with no in-app purchases.

### Is Yiddish Dictionary free?

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

### Do Trigonometric Equations or Yiddish Dictionary have ads?

Neither Trigonometric Equations nor Yiddish Dictionary shows ads.

### Which is updated more often, Trigonometric Equations or Yiddish Dictionary?

Trigonometric Equations ships an update every 20 months, and Yiddish Dictionary every 2 months. Most recently, Trigonometric Equations was updated on September 21, 2026 and Yiddish Dictionary on July 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.*