# AWS Developer Assoc. Prep PRO vs Trigonometry Identities Proofs

The clearest difference is review sentiment: AWS Developer Assoc. Prep PRO at 100% against Trigonometry Identities Proofs's 0%. AWS Developer Assoc. Prep PRO also leads on update cadence (every 2 months vs every 32 months). Trigonometry Identities Proofs's advantage is price ($0.99 vs $4.99) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

AWS Developer Assoc. Prep PRO costs $4.99 and Trigonometry Identities Proofs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

AWS Developer Assoc. Prep PRO ships an update every 2 months, Trigonometry Identities Proofs every 32 months. The most recent releases landed on September 18, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | AWS Developer Assoc. Prep PRO | Trigonometry Identities Proofs |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-identities-proofs/id1547838514/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 32 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 18 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [DjamgaTech Corp](https://appshunter.io/developer/969000181) | [H3 Apps, LLC](https://appshunter.io/developer/598620927) |

## What reviewers say

### AWS Developer Assoc. Prep PRO

[App page](https://appshunter.io/ios/app/aws-developer-assoc-prep-pro/id1506519319)

Prepare for the AWS Certified Developer Associate exam with this comprehensive study app. It offers over 200 FAQs, cheat sheets, flashcards, and mock exams covering key AWS services and development topics. Track your progress and countdown to your exam date.

**Highlights:** AWS Recommended Security Best Practices, 200+ AWS FAQs, AWS Cheat Sheets, AWS Flash Cards, DVA-C01 Mock Exams, 200+ Quizzes, Score card and tracker

**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 AWS Developer Assoc. Prep PRO free?

AWS Developer Assoc. Prep PRO costs $4.99, with no in-app purchases.

### Is Trigonometry Identities Proofs free?

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

### Do AWS Developer Assoc. Prep PRO or Trigonometry Identities Proofs have ads?

Neither AWS Developer Assoc. Prep PRO nor Trigonometry Identities Proofs shows ads.

### Which is updated more often, AWS Developer Assoc. Prep PRO or Trigonometry Identities Proofs?

AWS Developer Assoc. Prep PRO ships an update every 2 months, and Trigonometry Identities Proofs every 32 months. Most recently, AWS Developer Assoc. Prep PRO was updated on September 18, 2026 and Trigonometry Identities Proofs on August 15, 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.*