# CaseBuddy.ai vs Mental Math Interview Trainer

The clearest difference is in-app purchases: Mental Math Interview Trainer at none against CaseBuddy.ai's 1. Mental Math Interview Trainer also leads on update cadence (every 2 days vs weekly). CaseBuddy.ai's advantage is ads (none vs shown) and iOS requirement (18.2 vs 26.4). On price and device support there is nothing between them.

Both are free to download. CaseBuddy.ai sells 1 in-app purchase, starting at $4.99 per month. Mental Math Interview Trainer asks for nothing beyond the download.

CaseBuddy.ai ships an update weekly, Mental Math Interview Trainer every 2 days. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CaseBuddy.ai | Mental Math Interview Trainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 2 days** |
| Size | 15 MB | 7 MB |
| Requires iOS | **18.2** | 26.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abel chernet](https://appshunter.io/developer/1817169433) | [Ludovic Lepic](https://appshunter.io/developer/1892835258) |

## What reviewers say

### CaseBuddy.ai

[App page](https://appshunter.io/ios/app/casebuddyai/id6746489925)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CaseBuddy Pro Monthly | $4.99 | per month |


### Mental Math Interview Trainer

[App page](https://appshunter.io/ios/app/mental-math-interview-trainer/id6762084410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CaseBuddy.ai free?

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

### Is Mental Math Interview Trainer free?

Mental Math Interview Trainer is free to download, with no in-app purchases.

### Do CaseBuddy.ai or Mental Math Interview Trainer have ads?

Mental Math Interview Trainer shows ads; CaseBuddy.ai does not.

### Which is updated more often, CaseBuddy.ai or Mental Math Interview Trainer?

CaseBuddy.ai ships an update weekly, and Mental Math Interview Trainer every 2 days. Most recently, CaseBuddy.ai was updated on June 5, 2026 and Mental Math Interview Trainer on September 15, 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.*