# Smart Mental Math Trainer vs Sums

The clearest difference is device support: Smart Mental Math Trainer at 3 against Sums's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Smart Mental Math Trainer sells 2 one-off in-app purchases and Sums sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Smart Mental Math Trainer ships an update every 3 days, Sums every 4 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Smart Mental Math Trainer | Sums |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/smart-mental-math-trainer/id6761359389/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Free | — |
| Size | 32 MB | 61 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maximilian Daniliev](https://appshunter.io/developer/1889111350) | [Gleb Matsko](https://appshunter.io/developer/6772153044) |

## What reviewers say

### Smart Mental Math Trainer

[App page](https://appshunter.io/ios/app/smart-mental-math-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, Family Sharing, Vision Pro support

**In-app purchases (2)**

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


### Sums

[App page](https://appshunter.io/ios/app/sums-mental-math-practice/id6794615479)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Smart Mental Math Trainer free?

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

### Is Sums free?

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

### Do Smart Mental Math Trainer or Sums have ads?

Neither Smart Mental Math Trainer nor Sums shows ads.

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

Smart Mental Math Trainer ships an update every 3 days, and Sums every 4 days. Most recently, Smart Mental Math Trainer was updated on October 21, 2026 and Sums on October 10, 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.*