# Trigr vs OffLingua

The clearest difference is price: Trigr at $1.99 against OffLingua's $14.99. Trigr also leads on update cadence (daily vs every 2 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Trigr costs $1.99 and OffLingua $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trigr ships an update daily, OffLingua every 2 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Trigr | OffLingua |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Monetization | Paid | Paid |
| Size | 66 MB | 8 MB |
| Requires iOS | **16.1** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Evolv Developments Pty. Ltd.](https://appshunter.io/developer/1679865917) | [R&D COPILOT SRL](https://appshunter.io/developer/1867151994) |

## What reviewers say

### Trigr

[App page](https://appshunter.io/ios/app/trigr-trigonometry-solver/id6448587882)

This app quickly solves for all unknown measurements of right-angle and isosceles triangles using just two known values. It's designed for students, engineers, and builders needing accurate triangle calculations.

**Highlights:** Solves right-angle and isosceles triangles, Calculates all unknown measurements, Requires only two known values, User-friendly interface, Accurate calculations

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

**In-app purchases:** none


### OffLingua

[App page](https://appshunter.io/ios/app/offlingua-offline-translator/id6757960008)

This app offers AI-powered, private offline translation for 55 languages directly on your device. It supports text, photo, and voice input with a refined interface and advanced on-device speech recognition. All translations are processed locally, ensuring your data never leaves your iPhone.

**Highlights:** Offline AI translation for 55 languages, On-device text, photo, and voice translation, Automatic OCR for photo translation, Quick Translate Panel, Encrypted local conversation history, Transparent on-device performance indicators

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigr free?

Trigr costs $1.99, with no in-app purchases.

### Is OffLingua free?

OffLingua costs $14.99, with no in-app purchases.

### Do Trigr or OffLingua have ads?

Neither Trigr nor OffLingua shows ads.

### Which is updated more often, Trigr or OffLingua?

Trigr ships an update daily, and OffLingua every 2 months. Most recently, Trigr was updated on November 3, 2026 and OffLingua on November 9, 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.*