# TrigQuest vs Pre

The clearest difference is ads: Pre at none against TrigQuest's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. TrigQuest sells 1 one-off in-app purchase and Pre sells 1 in-app purchase, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | TrigQuest | Pre |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Monthly |
| Size | 20 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ori Shalom](https://appshunter.io/developer/1887340066) | [JABA Learning LLC](https://appshunter.io/developer/1892700977) |

## What reviewers say

### TrigQuest

[App page](https://appshunter.io/ios/app/trigquest/id6761020554)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Pre

[App page](https://appshunter.io/ios/app/pre-algebra-tutor/id6800429487)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pre-Algebra Tutor Premium | $14.99 | per year |


## Frequently asked questions

### Is TrigQuest free?

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

### Is Pre free?

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

### Do TrigQuest or Pre have ads?

TrigQuest shows ads; Pre 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.*