# Running calculator Pace, Race vs Chessvision.ai eBook Reader

The clearest difference is price: Chessvision.ai eBook Reader at Free against Running calculator Pace, Race's $2.99. Chessvision.ai eBook Reader also leads on rating (4.6 vs 1.0) and review sentiment (33% vs 0%). Running calculator Pace, Race's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 13.4). On update cadence, ads and device support there is nothing between them.

Chessvision.ai eBook Reader is free to download; Running calculator Pace, Race costs $2.99 up front. Chessvision.ai eBook Reader sells 2 in-app purchases, starting at $6.99 per month. Running calculator Pace, Race asks for nothing beyond the download.

Chessvision.ai eBook Reader holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Chessvision.ai eBook Reader has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Running calculator Pace, Race's written reviews are positive against 33% of Chessvision.ai eBook Reader's.

Running calculator Pace, Race ships an update every 5 weeks, Chessvision.ai eBook Reader monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Running calculator Pace, Race | Chessvision.ai eBook Reader |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/running-calculator-pace-race/id6475583924/reviews) | **[4.6 (7 ratings)](https://appshunter.io/ios/app/chessvisionai-ebook-reader/id6599857782/reviews)** |
| Number of ratings | 1 | **7** |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 47 MB | 47 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) | [Pawel Kacprzak](https://appshunter.io/developer/1574933455) |

## What reviewers say

### Running calculator Pace, Race

[App page](https://appshunter.io/ios/app/running-calculator-pace-race/id6475583924)

This app helps runners calculate pace, plan races, and optimize their performance. It offers tools for stride length, cadence, and elevation adjustments, catering to all skill levels.

**Highlights:** Calculate target race pace, Convert speed units, Plan race pace by demographics, Elevation and gradient calculator, Cadence and stride length calculator, Imperial/metric unit conversion

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Running calculator Pace, Race free?

Running calculator Pace, Race costs $2.99, with no in-app purchases.

### Is Chessvision.ai eBook Reader free?

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

### Which has better reviews, Running calculator Pace, Race or Chessvision.ai eBook Reader?

Chessvision.ai eBook Reader is rated higher. Running calculator Pace, Race averages 1.0 out of 5 from 1 ratings, while Chessvision.ai eBook Reader averages 4.6 from 7 ratings.

### Do Running calculator Pace, Race or Chessvision.ai eBook Reader have ads?

Neither Running calculator Pace, Race nor Chessvision.ai eBook Reader shows ads.

### Which is updated more often, Running calculator Pace, Race or Chessvision.ai eBook Reader?

Running calculator Pace, Race ships an update every 5 weeks, and Chessvision.ai eBook Reader monthly. Most recently, Running calculator Pace, Race was updated on October 25, 2026 and Chessvision.ai eBook Reader 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.*