# PolyDigits vs Trig Solver

The clearest difference is iOS requirement: Trig Solver at 16.4 against PolyDigits's 26. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PolyDigits sells 4 in-app purchases, starting at $1.99 per month and Trig Solver sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | PolyDigits | Trig Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 4 MB | 54 MB |
| Requires iOS | 26 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Kwetschas](https://appshunter.io/developer/1823422072) | [Mobin Akhter](https://appshunter.io/developer/1812505286) |

## What reviewers say

### PolyDigits

[App page](https://appshunter.io/ios/app/polydigits/id6747923329)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee Subscription | $1.99 | per month |
| Small Coffee | $2.99 | one-time |
| Medium Coffee | $3.99 | one-time |
| Large Coffee | $5.99 | one-time |


### 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 PolyDigits free?

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

### Is Trig Solver free?

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

### Do PolyDigits or Trig Solver have ads?

Neither PolyDigits 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.*