# ScanToSolve | Homework helper vs Graytna

The clearest difference is in-app purchases: Graytna at none against ScanToSolve | Homework helper's 7. Graytna also leads on update cadence (every 8 days vs every 3 weeks). ScanToSolve | Homework helper's advantage is rating (4.4 vs 4.2) and ratings volume (106 vs 12). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ScanToSolve | Homework helper sells 7 in-app purchases, starting at $2.99 per month. Graytna asks for nothing beyond the download.

ScanToSolve | Homework helper holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: ScanToSolve | Homework helper has 106 ratings behind it against 12, so its average is the more settled of the two.

ScanToSolve | Homework helper ships an update every 3 weeks, Graytna every 8 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ScanToSolve | Homework helper | Graytna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (106 ratings)](https://appshunter.io/ios/app/scantosolve-homework-helper/id6451072065/reviews)** | [4.2 (12 ratings)](https://appshunter.io/ios/app/graytna/id6730118219/reviews) |
| Number of ratings | **106** | 12 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 54 MB | 118 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ScanToSolve, Inc](https://appshunter.io/developer/1696461388) | [Mohamed Yehdhih Cheikh El Moctar](https://appshunter.io/developer/1686886480) |

## What reviewers say

### ScanToSolve | Homework helper

[App page](https://appshunter.io/ios/app/scantosolve-homework-helper/id6451072065)

Instantly solve academic problems by snapping a photo. Get step-by-step explanations for math, science, and more. Also generates text, improves language skills, and helps learn coding.

**Highlights:** Scan and solve academic problems, Generate essays and creative text, Improve language and grammar skills, Rewrite and paraphrase text, Learn and optimize code, Engage in trivia quests, 24/7 real-time academic support

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan (BLACKFRIDAY) | $2.99 | per month |
| Monthly Subscription | $5.99 | per month |
| Quarterly plan (BLACKFRIDAY) | $6.99 | per 3 months |
| Quarterly subscription | $12.99 | per 3 months |
| Yearly Plan ( BLACKFRIDAY ) | $19.99 | per year |
| Abonnement annuel | $19.99 | per year |
| Yearly subscription | $39.99 | per year |


### Graytna

[App page](https://appshunter.io/ios/app/graytna/id6730118219)

This app provides a vast library of lessons and educational videos categorized by subject and academic level. It allows users to download content for offline viewing, making it ideal for exam revision, skill development, or catching up on missed material.

**Highlights:** Extensive library of lessons and videos, Content categorized by subject and level, Offline video viewing, Step-by-step learning guidance, Simple and user-friendly design

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

**In-app purchases:** none


## Frequently asked questions

### Is ScanToSolve | Homework helper free?

ScanToSolve | Homework helper is free to download, with in-app purchases available.

### Is Graytna free?

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

### Which has better reviews, ScanToSolve | Homework helper or Graytna?

ScanToSolve | Homework helper is rated higher. ScanToSolve | Homework helper averages 4.4 out of 5 from 106 ratings, while Graytna averages 4.2 from 12 ratings.

### Do ScanToSolve | Homework helper or Graytna have ads?

Neither ScanToSolve | Homework helper nor Graytna shows ads.

### Which is updated more often, ScanToSolve | Homework helper or Graytna?

ScanToSolve | Homework helper ships an update every 3 weeks, and Graytna every 8 days. Most recently, ScanToSolve | Homework helper was updated on November 3, 2026 and Graytna on October 30, 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.*