# Trigonometry for Beginners vs Number Systems Basics

The clearest difference is in-app purchases: Number Systems Basics at none against Trigonometry for Beginners's 1. Number Systems Basics also leads on ads (none vs shown) and iOS requirement (15.1 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Trigonometry for Beginners sells 1 one-off in-app purchase. Number Systems Basics asks for nothing beyond the download.

## The numbers

| Metric | Trigonometry for Beginners | Number Systems Basics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (33 ratings)](https://appshunter.io/ios/app/trigonometry-for-beginners/id6741252065/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aswian Editri Sutriandi](https://appshunter.io/developer/1791663083) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Trigonometry for Beginners

[App page](https://appshunter.io/ios/app/trigonometry-for-beginners/id6741252065)

Master trigonometry with interactive lessons and exercises designed for beginners. This app offers step-by-step explanations, fun challenges, and instant feedback to build your confidence from basic angles to word problems.

**Highlights:** Tailored for beginners, Interactive step-by-step lessons, Fun and challenging exercises, Instant feedback on answers, Progressive difficulty levels, Covers angles, right triangles, ratios, and word problems

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Number Systems Basics

[App page](https://appshunter.io/ios/app/number-systems-basics/id6772398351)

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

**In-app purchases:** none


## Frequently asked questions

### Is Trigonometry for Beginners free?

Trigonometry for Beginners is free to download, with in-app purchases available.

### Is Number Systems Basics free?

Number Systems Basics is free to download, with no in-app purchases.

### Do Trigonometry for Beginners or Number Systems Basics have ads?

Trigonometry for Beginners shows ads; Number Systems Basics does not.

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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.*