# Micro vs Mental Math Interview Trainer

The clearest difference is in-app purchases: Mental Math Interview Trainer at none against Micro's 1. Mental Math Interview Trainer also leads on update cadence (every 2 days vs every 3 weeks). Micro's advantage is ads (none vs shown) and iOS requirement (12.0 vs 26.4). On price and device support there is nothing between them.

Both are free to download. Micro sells 1 in-app purchase, starting at $19.99 per month. Mental Math Interview Trainer asks for nothing beyond the download.

Micro ships an update every 3 weeks, Mental Math Interview Trainer every 2 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Micro | Mental Math Interview Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/micro-casing/id6754453873/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 7 MB |
| Requires iOS | **12.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CEREBRAL PARTNERS LIMITED](https://appshunter.io/developer/1848339255) | [Ludovic Lepic](https://appshunter.io/developer/1892835258) |

## What reviewers say

### Micro

[App page](https://appshunter.io/ios/app/micro-casing/id6754453873)

Master consulting case interviews with a gamified, on-demand practice partner. Get AI-driven feedback on your logic and timing in short, focused sessions to build confidence and strategic thinking for real interview scenarios.

**Highlights:** Gamified case practice, AI-driven logic evaluation, Timing and decision-making feedback, Simulated interview scenarios, Progress tracking, On-demand sessions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly access | $19.99 | 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 Micro free?

Micro 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 Micro or Mental Math Interview Trainer have ads?

Mental Math Interview Trainer shows ads; Micro does not.

### Which is updated more often, Micro or Mental Math Interview Trainer?

Micro ships an update every 3 weeks, and Mental Math Interview Trainer every 2 days. Most recently, Micro was updated on October 7, 2026 and Mental Math Interview Trainer 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.*