# Subtracting Fractions vs Trigonometry Formulas

The clearest difference is review sentiment: Trigonometry Formulas at 100% against Subtracting Fractions's 0%. Trigonometry Formulas also leads on update cadence (every 10 months vs every 35 months) and price ($0.99 vs $2.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Subtracting Fractions costs $2.99 and Trigonometry Formulas $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Subtracting Fractions ships an update every 35 months, Trigonometry Formulas every 10 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Subtracting Fractions | Trigonometry Formulas |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/trigonometry-formulas/id1477059658/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 10 months** |
| Monetization | Paid | Paid |
| Size | 18 MB | 27 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Ranjeet Kumar](https://appshunter.io/developer/1476822683) |

## What reviewers say

### Subtracting Fractions

[App page](https://appshunter.io/ios/app/subtracting-fractions/id1205875038)

Practice subtracting fractions with this math learning app. Features handwriting recognition for drawing answers and engaging mini-games to make learning effective and fun. Master various fraction subtraction scenarios, including mixed numbers and simplifying to lowest terms.

**Highlights:** Practice subtracting fractions, Handwriting recognition for answers, Mini-games for effective learning, Subtract fractions with like denominators, Subtract fractions with unlike denominators, Subtract mixed numbers, Write fractions in lowest terms

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Subtracting Fractions free?

Subtracting Fractions costs $2.99, with no in-app purchases.

### Is Trigonometry Formulas free?

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

### Do Subtracting Fractions or Trigonometry Formulas have ads?

Neither Subtracting Fractions nor Trigonometry Formulas shows ads.

### Which is updated more often, Subtracting Fractions or Trigonometry Formulas?

Subtracting Fractions ships an update every 35 months, and Trigonometry Formulas every 10 months. Most recently, Subtracting Fractions was updated on November 3, 2026 and Trigonometry Formulas 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.*