# Math Miracle vs NBack³

The clearest difference is ads: Math Miracle at none against NBack³'s shown. Math Miracle also leads on iOS requirement (14.0 vs 17.0). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Math Miracle sells 1 in-app purchase, starting at $12.99 per month and NBack³ sells 1 in-app purchase, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Math Miracle | NBack³ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/math-miracle/id6503210611/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 20 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peppy Enterprises](https://appshunter.io/developer/1748413446) | [Taiki Nishimura](https://appshunter.io/developer/1780302048) |

## What reviewers say

### Math Miracle

[App page](https://appshunter.io/ios/app/math-miracle/id6503210611)

Instantly solve complex math problems by taking a photo. Get accurate, step-by-step solutions explained by AI and reviewed by experts. Try it free before subscribing to unlock unlimited access.

**Highlights:** Photo math problem solver, Instant step-by-step solutions, AI-powered accuracy, Expert reviewed answers, Free trial available, SAT Math problem tested

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $12.99 | per month |


### NBack³

[App page](https://appshunter.io/ios/app/nback-memory-training-game/id6745750227)

This brain training app uses the scientifically proven Dual N-Back method to enhance cognitive functions like working memory, focus, and decision-making. It offers adjustable difficulty levels and tracks progress with a visually engaging interface.

**Highlights:** Dual N-Back method, Adjustable difficulty (n=1-5), Enhances working memory, Improves inhibitory control, Develops attention skills, Progress tracking, Streak bonus system

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $0.49 | per month |


## Frequently asked questions

### Is Math Miracle free?

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

### Is NBack³ free?

NBack³ is free to download, with in-app purchases available.

### Do Math Miracle or NBack³ have ads?

NBack³ shows ads; Math Miracle does not.

### Which is updated more often, Math Miracle or NBack³?

Math Miracle ships an update every 4 days, and NBack³ every 4 days. Most recently, Math Miracle was updated on October 9, 2026 and NBack³ on October 7, 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.*