# Maths Tricks vs Interview Prep AI

The clearest difference is in-app purchases: Maths Tricks at none against Interview Prep AI's 2. Maths Tricks also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.6). Interview Prep AI's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 6 months). On price there is nothing between them.

Both are free to download. Interview Prep AI sells 2 in-app purchases, starting at $3.99 per 7 days. Maths Tricks asks for nothing beyond the download.

Maths Tricks ships an update every 6 months, Interview Prep AI every 6 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Maths Tricks | Interview Prep AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Size | 25 MB | 1 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Merbin Joe](https://appshunter.io/developer/1281696078) | [Lean Orbit LLC](https://appshunter.io/developer/1742356045) |

## What reviewers say

### Maths Tricks

[App page](https://appshunter.io/ios/app/maths-tricks-shortcut-maths/id6447512985)

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

**In-app purchases:** none


### Interview Prep AI

[App page](https://appshunter.io/ios/app/interview-prep-ai-prepline/id6773124282)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PrepLine Weekly | $3.99 | per 7 days |
| PrepLine Annual | $29.99 | per year |


## Frequently asked questions

### Is Maths Tricks free?

Maths Tricks is free to download, with no in-app purchases.

### Is Interview Prep AI free?

Interview Prep AI is free to download, with in-app purchases available.

### Do Maths Tricks or Interview Prep AI have ads?

Maths Tricks shows ads; Interview Prep AI does not.

### Which is updated more often, Maths Tricks or Interview Prep AI?

Maths Tricks ships an update every 6 months, and Interview Prep AI every 6 weeks. Most recently, Maths Tricks was updated on September 29, 2026 and Interview Prep AI on October 2, 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.*