# Trigonometry for Beginners vs Source

The clearest difference is ads: Source at none against Trigonometry for Beginners's shown. Source also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Trigonometry for Beginners sells 1 one-off in-app purchase and Source sells 4 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

Trigonometry for Beginners ships an update every 5 months, Source every 3 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Trigonometry for Beginners | Source |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (10 ratings)](https://appshunter.io/ios/app/trigonometry-for-beginners/id6741252065/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 313 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Aswian Editri Sutriandi](https://appshunter.io/developer/1791663083) | [Super Real Inc](https://appshunter.io/developer/1891188531) |

## 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 |


### Source

[App page](https://appshunter.io/ios/app/source-find-yourself/id6761737790)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Committed Membership | $24.99 | per month |
| Committed Membership (3-months) | $69.99 | per 3 months |
| Committed Membership (6 months) | $125.99 | per 6 months |
| Committed Membership (1-year) | $229.00 | per year |


## Frequently asked questions

### Is Trigonometry for Beginners free?

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

### Is Source free?

Source is free to download, with in-app purchases available.

### Do Trigonometry for Beginners or Source have ads?

Trigonometry for Beginners shows ads; Source does not.

### Which is updated more often, Trigonometry for Beginners or Source?

Trigonometry for Beginners ships an update every 5 months, and Source every 3 weeks. Most recently, Trigonometry for Beginners was updated on October 9, 2026 and Source on October 14, 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.*