# Smart Mental Math vs Numvolt

The clearest difference is monetization model: Smart Mental Math at free against Numvolt's free with in-app purchases. Smart Mental Math also leads on iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Smart Mental Math sells 2 one-off in-app purchases and Numvolt sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Smart Mental Math against 5.0 for Numvolt. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Smart Mental Math ships an update every 3 days, Numvolt every 2 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Smart Mental Math | Numvolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/smart-mental-math-ai-trainer/id6761359389/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 24 MB | 44 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Maximilian Daniliev](https://appshunter.io/developer/1889111350) | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) |

## What reviewers say

### Smart Mental Math

[App page](https://appshunter.io/ios/app/smart-mental-math-ai-trainer/id6761359389)

Improve your arithmetic skills with an AI coach that adapts to your learning pace. Master multiplication, division, percentages, and more through interactive lessons and targeted practice sessions. Learn practical calculation strategies to boost speed and accuracy in everyday situations.

**Highlights:** Adaptive AI coaching, Learn calculation strategies, Practice core arithmetic skills, Focus on weak spots, Progress tracking, Short, high-impact sessions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3-day Trial | Free | one-time |
| Lifetime Unlock | $3.99 | one-time |


### Numvolt

[App page](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973)

Enhance your mental math skills with a comprehensive trainer offering 15 topics and 150 levels each. Learn fastest calculation methods, track progress, and compete globally. Features include daily challenges, duels, and a home screen widget.

**Highlights:** 15 topics, 150 levels each, Fastest calculation method explanations, Daily challenges and sprints, Global ladder rankings, Two-player duels, Progress tracking and home screen widget

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numvolt Pro | $8.99 | one-time |


## Frequently asked questions

### Is Smart Mental Math free?

Smart Mental Math is free to download, with in-app purchases available.

### Is Numvolt free?

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

### Which has better reviews, Smart Mental Math or Numvolt?

Smart Mental Math and Numvolt are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Smart Mental Math or Numvolt have ads?

Neither Smart Mental Math nor Numvolt shows ads.

### Which is updated more often, Smart Mental Math or Numvolt?

Smart Mental Math ships an update every 3 days, and Numvolt every 2 days. Most recently, Smart Mental Math was updated on October 4, 2026 and Numvolt on October 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.*