# Learn R vs Trig Solver

The clearest difference is in-app purchases: Learn R at none against Trig Solver's 3. Learn R also leads on iOS requirement (12.0 vs 16.4). On price, ads and device support there is nothing between them.

Both are free to download. Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Learn R asks for nothing beyond the download.

## The numbers

| Metric | Learn R | Trig Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 27 MB | 54 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [OnePercent](https://appshunter.io/developer/1536020418) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### Learn R

[App page](https://appshunter.io/ios/app/learn-r-onepercent/id6753665467)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trig Solver

[App page](https://appshunter.io/ios/app/trig-solver-trigonify/id6792816870)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trigonify Pro Weekly | $4.99 | per 7 days |
| Trigonify Pro Yearly | $34.99 | per year |
| Trigonify Pro Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Learn R free?

Learn R is free to download, with no in-app purchases.

### Is Trig Solver free?

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

### Do Learn R or Trig Solver have ads?

Neither Learn R nor Trig Solver shows ads.

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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.*