# Trigonometry Quick Reference vs Trigonometry Identities Proofs

The clearest difference is review sentiment: Trigonometry Quick Reference at 100% against Trigonometry Identities Proofs's 0%. Trigonometry Quick Reference also leads on rating (5.0 vs 1.0) and update cadence (every 8 months vs every 32 months). Trigonometry Identities Proofs's advantage is device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Trigonometry Quick Reference costs $0.99 and Trigonometry Identities Proofs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trigonometry Quick Reference holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Trigonometry Quick Reference's written reviews are positive against 0% of Trigonometry Identities Proofs's.

Trigonometry Quick Reference ships an update every 8 months, Trigonometry Identities Proofs every 32 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Trigonometry Quick Reference | Trigonometry Identities Proofs |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trigonometry-quick-reference/id689382174/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-identities-proofs/id1547838514/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 10 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [H3Apps LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### Trigonometry Quick Reference

[App page](https://appshunter.io/ios/app/trigonometry-quick-reference/id689382174)

This app offers a concise overview of fundamental trigonometry concepts, including sine, cosine, tangent, and inverse functions. It serves as a quick reference tool for students to review key ideas and test their understanding with quizzes.

**Highlights:** Overview of basic trigonometry concepts, Explanations of sine, cosine, and tangent, Information on inverse functions, Unit circle, ranges, and domains, Quizzes to measure understanding, Detailed explanations on key topics

**Features:** macOS Compatibility

**In-app purchases:** none


### Trigonometry Identities Proofs

[App page](https://appshunter.io/ios/app/trigonometry-identities-proofs/id1547838514)

Learn and practice trigonometric identity proofs with step-by-step solutions. Compare your work to the app's detailed explanations, revealing each step individually.

**Highlights:** 42 trigonometric identity proofs, Step-by-step solution reveal, Compare your work to app solutions, Practice trigonometry, Educational math tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry Quick Reference free?

Trigonometry Quick Reference costs $0.99, with no in-app purchases.

### Is Trigonometry Identities Proofs free?

Trigonometry Identities Proofs costs $0.99, with no in-app purchases.

### Which has better reviews, Trigonometry Quick Reference or Trigonometry Identities Proofs?

Trigonometry Quick Reference is rated higher. Trigonometry Quick Reference averages 5.0 out of 5 from 1 ratings, while Trigonometry Identities Proofs averages 1.0 from 2 ratings.

### Do Trigonometry Quick Reference or Trigonometry Identities Proofs have ads?

Neither Trigonometry Quick Reference nor Trigonometry Identities Proofs shows ads.

### Which is updated more often, Trigonometry Quick Reference or Trigonometry Identities Proofs?

Trigonometry Quick Reference ships an update every 8 months, and Trigonometry Identities Proofs every 32 months. Most recently, Trigonometry Quick Reference was updated on November 1, 2026 and Trigonometry Identities Proofs on November 3, 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.*