# Chessvision.ai eBook Reader vs Dial Down, Screen Time Control

The clearest difference is device support: Chessvision.ai eBook Reader at 3 against Dial Down, Screen Time Control's 1. Chessvision.ai eBook Reader also leads on iOS requirement (13.4 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Chessvision.ai eBook Reader sells 2 in-app purchases, starting at $6.99 per month and Dial Down, Screen Time Control sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Chessvision.ai eBook Reader | Dial Down, Screen Time Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/chessvisionai-ebook-reader/id6599857782/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 1 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pawel Kacprzak](https://appshunter.io/developer/1574933455) | [Steven Fontanella](https://appshunter.io/developer/6796609711) |

## What reviewers say

### Chessvision.ai eBook Reader

[App page](https://appshunter.io/ios/app/chessvisionai-ebook-reader/id6599857782)

Transform chess eBooks into interactive learning tools. Instantly view board setups from diagrams with a double-tap. Organize your library, analyze positions with engines, and create study sheets.

**Highlights:** Interactive diagram analysis, Organize chess eBooks, Analyze with chess engines, Create PDF study sheets, Export to PGN, Search and filter diagrams, Discover related resources

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessvision.ai eBook Reader | $6.99 | per month |
| Chessvision.ai eBook Reader | $49.99 | per year |


### Dial Down, Screen Time Control

[App page](https://appshunter.io/ios/app/dial-down-screen-time-control/id6796609709)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $0.99 | $0.99 | one-time |
| $2.99 | $2.99 | one-time |
| $4.99 | $4.99 | one-time |
| $9.99 | $9.99 | one-time |


## Frequently asked questions

### Is Chessvision.ai eBook Reader free?

Chessvision.ai eBook Reader is free to download, with in-app purchases available.

### Is Dial Down, Screen Time Control free?

Dial Down, Screen Time Control is free to download, with in-app purchases available.

### Do Chessvision.ai eBook Reader or Dial Down, Screen Time Control have ads?

Neither Chessvision.ai eBook Reader nor Dial Down, Screen Time Control shows ads.

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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.*