# Neg Multiply vs TrigQuest

The clearest difference is in-app purchases: Neg Multiply at none against TrigQuest's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TrigQuest sells 1 one-off in-app purchase. Neg Multiply asks for nothing beyond the download.

## The numbers

| Metric | Neg Multiply | TrigQuest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | — |
| Size | 32 MB | 20 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Katsuhiko Yao](https://appshunter.io/developer/1543188534) | [Ori Shalom](https://appshunter.io/developer/1887340066) |

## What reviewers say

### Neg Multiply

[App page](https://appshunter.io/ios/app/neg-multiply-brain-training/id6450744705)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Neg Multiply free?

Neg Multiply is free to download, with no in-app purchases.

### Is TrigQuest free?

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

### Do Neg Multiply or TrigQuest have ads?

Both Neg Multiply and TrigQuest show 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.*