# Trigonometry Formulas vs TT Algebra 2

The clearest difference is review sentiment: Trigonometry Formulas at 100% against TT Algebra 2's 44%. Trigonometry Formulas also leads on rating (5.0 vs 3.6). TT Algebra 2's advantage is price (Free vs $0.99) and update cadence (every 2 months vs every 10 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TT Algebra 2 is free to download; Trigonometry Formulas costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trigonometry Formulas holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: TT Algebra 2 has 39 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Trigonometry Formulas's written reviews are positive against 44% of TT Algebra 2's.

Trigonometry Formulas ships an update every 10 months, TT Algebra 2 every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Trigonometry Formulas | TT Algebra 2 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-formulas/id1477059658/reviews)** | [3.6 (39 ratings)](https://appshunter.io/ios/app/tt-algebra-2/id1516358085/reviews) |
| Number of ratings | 2 | **39** |
| Positive reviews | **100.0% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 27 MB | 90 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Trigonometry Formulas

[App page](https://appshunter.io/ios/app/trigonometry-formulas/id1477059658)

Access a comprehensive collection of trigonometry formulas, including ratios, functions, standard angle values, and identities. This app covers basic to advanced topics like inverse circular functions and properties of triangles, serving as a handy reference for students and enthusiasts.

**Highlights:** Trigonometric Ratios and Functions, Basic Trigonometric Formulas, Standard Angle Values, Quadrant Rules of Signs, Addition and Subtraction Formulas, Inverse Circular Functions, Properties of Triangles

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

**In-app purchases:** none


### TT Algebra 2

[App page](https://appshunter.io/ios/app/tt-algebra-2/id1516358085)

This educational app provides a comprehensive Algebra 2 curriculum with audiovisual lectures and practice problems. It offers automated grading, step-by-step explanations, and parental controls for progress tracking. The app allows for offline use of up to six lessons at a time.

**Highlights:** 137 audiovisual lectures, Thousands of practice problems, Automated grading and instant feedback, Step-by-step audiovisual explanations, Parental progress tracking, Offline lesson access (up to 6)

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry Formulas free?

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

### Is TT Algebra 2 free?

TT Algebra 2 is free to download, with no in-app purchases.

### Which has better reviews, Trigonometry Formulas or TT Algebra 2?

Trigonometry Formulas is rated higher. Trigonometry Formulas averages 5.0 out of 5 from 2 ratings, while TT Algebra 2 averages 3.6 from 39 ratings.

### Do Trigonometry Formulas or TT Algebra 2 have ads?

Neither Trigonometry Formulas nor TT Algebra 2 shows ads.

### Which is updated more often, Trigonometry Formulas or TT Algebra 2?

Trigonometry Formulas ships an update every 10 months, and TT Algebra 2 every 2 months. Most recently, Trigonometry Formulas was updated on November 3, 2026 and TT Algebra 2 on November 5, 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.*