# Epicentral vs Math Tutor AI

The clearest difference is in-app purchases: Epicentral at none against Math Tutor AI's 3. Math Tutor AI's advantage is review sentiment (100% vs 75%) and iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Math Tutor AI sells 3 one-off in-app purchases. Epicentral asks for nothing beyond the download.

Epicentral ships an update monthly, Math Tutor AI every 4 weeks. The most recent releases landed on October 15, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Epicentral | Math Tutor AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/math-tutor-ai-solve-and-learn/id6504369911/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 75.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Charles Ammon](https://appshunter.io/developer/297487706) | [Trisphere Apps LLC](https://appshunter.io/developer/1735581649) |

## What reviewers say

### Epicentral

[App page](https://appshunter.io/ios/app/epicentral/id297487703)

Explore global earthquake patterns with real-time data and historical context. View recent seismic events on interactive maps and lists, with detailed summaries and links to official information. Understand current activity within the framework of historical seismicity.

**Highlights:** Real-time earthquake lists, Interactive earthquake maps, Daily, weekly, and monthly data views, Event summaries and details, Links to USGS earthquake information, Historical earthquake catalogs

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

**In-app purchases:** none


### Math Tutor AI

[App page](https://appshunter.io/ios/app/math-tutor-ai-solve-and-learn/id6504369911)

Solve a wide range of math problems, from basic arithmetic to advanced equations, using text input or by drawing. Features include a statistics calculator, unit converter, and the ability to save and load sessions. Advanced matrix and physics calculators are available via in-app purchase.

**Highlights:** Solve math problems via text or drawing, Statistics calculator, Unit conversion, Save and load sessions, Favorites for quick access, Matrix and physics calculators (IAP)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics Calculator | $0.99 | one-time |
| Matrix Calculator | $0.99 | one-time |
| Keep it AD-Free | $0.99 | one-time |


## Frequently asked questions

### Is Epicentral free?

Epicentral is free to download, with no in-app purchases.

### Is Math Tutor AI free?

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

### Do Epicentral or Math Tutor AI have ads?

Neither Epicentral nor Math Tutor AI shows ads.

### Which is updated more often, Epicentral or Math Tutor AI?

Epicentral ships an update monthly, and Math Tutor AI every 4 weeks. Most recently, Epicentral was updated on October 15, 2026 and Math Tutor AI on October 19, 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.*