# Кнопка ГДЗ vs AvMark

The clearest difference is rating: AvMark at 5.0 against Кнопка ГДЗ's 4.4. Кнопка ГДЗ's advantage is review sentiment (87% vs 57%) and ratings volume (61 vs 13). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AvMark holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 61 and 13 respectively. Written reviews complicate that: 87% of Кнопка ГДЗ's written reviews are positive against 57% of AvMark's, so the app with the better star average is not the one people write more warmly about.

Кнопка ГДЗ ships an update every 4 months, AvMark every 7 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Кнопка ГДЗ | AvMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (61 ratings)](https://appshunter.io/ios/app/id1516629785/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/avmark/id1599728543/reviews)** |
| Number of ratings | **61** | 13 |
| Positive reviews | **87.1% of reviews** | 57.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Free | Free |
| Size | 27 MB | 37 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SIA Ksenokss](https://appshunter.io/developer/402308034) | [Olga Vasilkova](https://appshunter.io/developer/1530852200) |

## What reviewers say

### Кнопка ГДЗ

[App page](https://appshunter.io/ios/app/id1516629785)

Instantly get solutions to your homework problems by taking a photo. This app provides answers for various educational materials, including textbooks and assignments, with a single tap.

**Highlights:** Photo homework solver, Instant solutions, Textbook answers, Assignment help, Single-tap functionality

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ✅ Comprehensive answer coverage for all subjects
- 📚 Detailed step-by-step solution algorithms
- 🎨 Clean and intuitive user interface design
- ⭐ High accuracy of answers and solutions
- 📖 Extensive content beyond just answers (essays, summaries)

**What reviewers complain about**

- 🐛 White screen/loading issues
- 📱 Orientation lock on tablets (no landscape mode)
- 🔗 Redirects to English-language website unexpectedly
- 📢 Excessive and intrusive advertisements
- ⏱️ Long ad wait times (20+ seconds)

**Reported bugs**

- White screen appears after 5 minutes of use
- App fails to open/launch
- Image loading failures for problem solutions
- AI photo solver not functioning despite reinstalls
- Unexpected redirects to external websites

**Requested features**

- Offline mode functionality
- Contour maps for geography
- Probability and statistics textbook
- Peterson math textbook (5th grade)
- Russian language reference guides (3rd and 4th grade)


### AvMark

[App page](https://appshunter.io/ios/app/avmark/id1599728543)

Easily calculate your average grade and determine how many more grades you need to achieve your academic goals. This app simplifies grade calculation, making it more convenient than using a standard calculator.

**Highlights:** Calculate average grade, Track progress towards goals, Input grades easily, Convenient grade management

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

**In-app purchases:** none


## Frequently asked questions

### Is Кнопка ГДЗ free?

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

### Is AvMark free?

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

### Which has better reviews, Кнопка ГДЗ or AvMark?

AvMark is rated higher. Кнопка ГДЗ averages 4.4 out of 5 from 61 ratings, while AvMark averages 5.0 from 13 ratings.

### Do Кнопка ГДЗ or AvMark have ads?

Neither Кнопка ГДЗ nor AvMark shows ads.

### Which is updated more often, Кнопка ГДЗ or AvMark?

Кнопка ГДЗ ships an update every 4 months, and AvMark every 7 months. Most recently, Кнопка ГДЗ was updated on October 24, 2026 and AvMark on October 24, 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.*