# Mental Stamina — Mental math, memory & logic

> Mental math, memory & logic (iPhone/iPad app by xiangguang zhang.)

- Source: https://appshunter.io/ios/app/mental-stamina/id6795559088 (this page in markdown: same URL + `.md`)
- Developer: [xiangguang zhang](https://appshunter.io/developer/6795559090)
- Category: Education, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 18.0 · 8 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2026-08-20
- Data updated: 2026-08-27

## What is Mental Stamina?

Spend about 6–10 minutes completing three exercises drawn from mental math, short-term memory, spatial memory, and rule reasoning.

Review your accuracy and response times for exercises in this app. Training data stays on your device by default.

Daily sessions and automatic difficulty adjustment are always free. Subscribe to Mental Stamina Pro monthly for focused practice, per-module duration or question count, manual difficulty levels 1–10, and your complete local history. Your subscription renews automatically and can be canceled anytime in App Store Account Settings.

This app is not a medical device and does not screen for, diagnose, or treat cognitive impairment.

Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Mental Stamina Pro Monthly | $0.99 | per month |


## Is Mental Stamina safe?

Not enough ratings yet to assess Mental Stamina.

## Is Mental Stamina legit?

Mental Stamina has limited verification signals. The AppsHunter Legitimacy Score for Mental Stamina is 50 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-08-21

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*