# Touch Grade vs Physics Solver AI

The clearest difference is update cadence: Touch Grade at every 6 days against Physics Solver AI's monthly. Physics Solver AI's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Touch Grade sells 1 in-app purchase, starting at $14.99 per year and Physics Solver AI sells 5 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Touch Grade ships an update every 6 days, Physics Solver AI monthly. The most recent releases landed on October 2, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Touch Grade | Physics Solver AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (136 ratings)](https://appshunter.io/ios/app/physics-solver-ai/id6736621573/reviews)** |
| Number of ratings | — | **136** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 87 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smart Space Applications Inc.](https://appshunter.io/developer/1454171123) | [NEXTLINE YAZILIM LİMİTED ŞİRKETİ](https://appshunter.io/developer/1795648837) |

## What reviewers say

### Touch Grade

[App page](https://appshunter.io/ios/app/touch-grade/id1454171124)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual subscription to Touch Grade | $14.99 | per year |


### Physics Solver AI

[App page](https://appshunter.io/ios/app/physics-solver-ai/id6736621573)

This app provides instant, accurate solutions and detailed step-by-step explanations for physics problems across various branches. It acts as a personal tutor, helping students understand complex concepts through interactive learning and personalized guidance, available 24/7.

**Highlights:** Physics problem solving, Detailed step-by-step solutions, Instant answers via photo, Interactive learning, 24/7 availability, Covers mechanics, electromagnetism, and more

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Physics AI Premium | $5.99 | per 7 days |
| Physics Solver Premium | $9.99 | per year |
| Physics AI Premium | $19.99 | per month |
| 6 Month Premium Discounted | $29.99 | per 6 months |
| Physics AI Premium | $59.99 | per 6 months |


## Frequently asked questions

### Is Touch Grade free?

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

### Is Physics Solver AI free?

Physics Solver AI is free to download, with in-app purchases available.

### Do Touch Grade or Physics Solver AI have ads?

Neither Touch Grade nor Physics Solver AI shows ads.

### Which is updated more often, Touch Grade or Physics Solver AI?

Touch Grade ships an update every 6 days, and Physics Solver AI monthly. Most recently, Touch Grade was updated on October 2, 2026 and Physics Solver AI on October 14, 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.*