# Mental Math Drills - CalcFlow — Daily arithmetic practice

> Daily arithmetic practice (iPhone/iPad app by kota tada.)

- Source: https://appshunter.io/ios/app/mental-math-drills-calcflow/id6749810926 (this page in markdown: same URL + `.md`)
- Developer: [kota tada](https://appshunter.io/developer/1658942612)
- Category: Education, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 75 MB
- Languages: American English, Afrikaans, Albanian, Amharic, Arabic, Armenian, Azerbaijani, Basque, Belarusian, Bangla and 61 more
- Released: 2025-08-15
- Data updated: 2026-10-14

## What is Mental Math Drills?

CalcFlow is a calculation drill app that supports math skill improvement through daily practice.

【3 Practice Modes】
◆ Endless Mode: Practice at your own pace without time limits
◆ Time Attack: Focused training with 1-min/3-min/5-min time limits
◆ Daily 20: Build habits with 20 unique problems every day

【Key Features】
• Auto-adjusting difficulty for optimal problem levels
• Detailed statistics including total problems and accuracy rates
• Streak tracking and consecutive correct answers for motivation
• Simple design to focus on problems
• Fully offline - practice anytime and anywhere

【Supported Calculations】
Covers basic arithmetic operations (addition/subtraction/multiplication/division) through fractions and decimals. Difficulty auto-adjusts to your level making it effective for beginners through advanced users.

Perfect for students reviewing lessons or adults maintaining sharp calculation skills and brain training. Daily practice ensures steady improvement in math abilities.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $29.99 | per year |


## Is Mental Math Drills safe?

Not enough ratings yet to assess Mental Math Drills.

## Is Mental Math Drills legit?

Mental Math Drills - CalcFlow appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Mental Math Drills is 78 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 4 releases)

### 1.0.12 — 2026-10-13

Improved stability and support for the latest iOS. Fixed issues with ads and subscriptions.

### 1.0.10 — 2026-10-01

Bug fixes and improvements.

### 1.0.9 — 2026-04-05

Bug fixes.

### 1.0 — 2025-08-15

No release notes.

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| [Sums and Subtracts Gardens](https://appshunter.io/ios/app/sums-and-subtracts-gardens/id6738046745) | — | Free | Education |

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All apps by kota tada: https://appshunter.io/developer/1658942612

## Related topics

[math skills](https://appshunter.io/ios/topics/math-skills) · [simple mathematics training](https://appshunter.io/ios/topics/simple-mathematics-training)

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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 2026-10-14.*