# ChessBar vs Zeta Fast Math

The clearest difference is price: ChessBar at Free against Zeta Fast Math's $0.99. ChessBar also leads on ratings volume (46 vs 1) and iOS requirement (15.0.0 vs 18.6). Zeta Fast Math's advantage is ads (none vs shown) and rating (5.0 vs 4.8). On update cadence, in-app purchases and device support there is nothing between them.

ChessBar is free to download; Zeta Fast Math costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Zeta Fast Math holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ChessBar has 46 ratings behind it against 1, so its average is the more settled of the two.

ChessBar ships an update every 4 days, Zeta Fast Math weekly. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ChessBar | Zeta Fast Math |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.8 (46 ratings)](https://appshunter.io/ios/app/chessbar/id6742020900/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zeta-fast-math/id6755319020/reviews)** |
| Number of ratings | **46** | 1 |
| Positive reviews | 89.2% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Ad-supported** | Paid |
| Size | 111 MB | 4 MB |
| Requires iOS | **15.0.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [ChessLab](https://appshunter.io/developer/1796366640) | [Michael Ryan Kokosenski](https://appshunter.io/developer/1846932541) |

## What reviewers say

### ChessBar

[App page](https://appshunter.io/ios/app/chessbar/id6742020900)

Discover and join local, in-person chess meetups in bars and cafes. Connect with players of all skill levels for friendly games and community events. Experience the thrill of over-the-board chess in a relaxed atmosphere.

**Highlights:** Find local chess tournaments, Play against enthusiasts, Learn and improve your game, Experience over-the-board chess, Join a global community, Free chess events

**In-app purchases:** none


### Zeta Fast Math

[App page](https://appshunter.io/ios/app/zeta-fast-math/id6755319020)

Practice mental math problems with a straightforward interface designed to enhance your quantitative skills. Challenge friends on leaderboards and create personalized exercises to match your abilities.

**Highlights:** Mental calculation practice, Leaderboards for competition, Customizable challenges, Quantitative skill training, Simple interface

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

**In-app purchases:** none


## Frequently asked questions

### Is ChessBar free?

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

### Is Zeta Fast Math free?

Zeta Fast Math costs $0.99, with no in-app purchases.

### Which has better reviews, ChessBar or Zeta Fast Math?

Zeta Fast Math is rated higher. ChessBar averages 4.8 out of 5 from 46 ratings, while Zeta Fast Math averages 5.0 from 1 ratings.

### Do ChessBar or Zeta Fast Math have ads?

ChessBar shows ads; Zeta Fast Math does not.

### Which is updated more often, ChessBar or Zeta Fast Math?

ChessBar ships an update every 4 days, and Zeta Fast Math weekly. Most recently, ChessBar was updated on November 8, 2026 and Zeta Fast Math on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*