# Trigonometry Identities Proofs vs Derivative

The clearest difference is price: Derivative at Free against Trigonometry Identities Proofs's $0.99. Derivative also leads on update cadence (monthly vs every 32 months). Trigonometry Identities Proofs's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On in-app purchases and device support there is nothing between them.

Derivative is free to download; Trigonometry Identities Proofs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trigonometry Identities Proofs ships an update every 32 months, Derivative monthly. The most recent releases landed on October 8, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Trigonometry Identities Proofs | Derivative |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-identities-proofs/id1547838514/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 32 months | **Monthly** |
| Monetization | Paid | — |
| Size | 18 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [H3Apps LLC](https://appshunter.io/developer/598620927) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### 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


### Derivative

[App page](https://appshunter.io/ios/app/derivative-calculus/id1618969952)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry Identities Proofs free?

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

### Is Derivative free?

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

### Do Trigonometry Identities Proofs or Derivative have ads?

Derivative shows ads; Trigonometry Identities Proofs does not.

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

Trigonometry Identities Proofs ships an update every 32 months, and Derivative monthly. Most recently, Trigonometry Identities Proofs was updated on October 8, 2026 and Derivative on October 12, 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.*