# Chess Opening Blunders vs Chess Opener Lite

The clearest difference is rating: Chess Opening Blunders at 4.7 against Chess Opener Lite's 4.1. Chess Opening Blunders also leads on review sentiment (84% vs 43%) and ratings volume (247 vs 17). Chess Opener Lite's advantage is in-app purchases (none vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chess Opening Blunders sells 1 one-off in-app purchase. Chess Opener Lite asks for nothing beyond the download.

Chess Opening Blunders holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Chess Opening Blunders has 247 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 84% of Chess Opening Blunders's written reviews are positive against 43% of Chess Opener Lite's.

Chess Opening Blunders ships an update every 2 months, Chess Opener Lite every 5 weeks. The most recent releases landed on October 21, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Chess Opening Blunders | Chess Opener Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (247 ratings)](https://appshunter.io/ios/app/chess-opening-blunders/id1129867864/reviews)** | [4.1 (17 ratings)](https://appshunter.io/ios/app/chess-opener-lite/id1489281014/reviews) |
| Number of ratings | **247** | 17 |
| Positive reviews | **84.1% of reviews** | 42.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 43 MB | 55 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chess King](https://appshunter.io/developer/1096660597) | [Stanislav Basovnik](https://appshunter.io/developer/1469334974) |

## What reviewers say

### Chess Opening Blunders

[App page](https://appshunter.io/ios/app/chess-opening-blunders/id1129867864)

Learn chess by studying common opening mistakes and traps. This app offers interactive lessons with over 1,250 exercises across more than 40 openings, acting as a personal coach to guide you through challenges.

**Highlights:** Learn opening mistakes and traps, Over 1,250 instructive exercises, Covers more than 40 chess openings, Interactive lessons with hints and explanations, Play positions against the computer, Monitors player rating (ELO)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full course | $12.99 | one-time |


### Chess Opener Lite

[App page](https://appshunter.io/ios/app/chess-opener-lite/id1489281014)

Master chess openings with an interactive trainer and comprehensive database. Build and memorize your own repertoire, compare variations, and track your progress. Works offline and offers extensive opening exploration.

**Highlights:** Chess opening tree with game statistics, Encyclopedia of Chess Openings (ECO), Build and edit opening repertoire, Interactive opening trainer, Offline functionality, PGN export, Progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Opening Blunders free?

Chess Opening Blunders is free to download, with in-app purchases available.

### Is Chess Opener Lite free?

Chess Opener Lite is free to download, with no in-app purchases.

### Which has better reviews, Chess Opening Blunders or Chess Opener Lite?

Chess Opening Blunders is rated higher. Chess Opening Blunders averages 4.7 out of 5 from 247 ratings, while Chess Opener Lite averages 4.1 from 17 ratings.

### Do Chess Opening Blunders or Chess Opener Lite have ads?

Neither Chess Opening Blunders nor Chess Opener Lite shows ads.

### Which is updated more often, Chess Opening Blunders or Chess Opener Lite?

Chess Opening Blunders ships an update every 2 months, and Chess Opener Lite every 5 weeks. Most recently, Chess Opening Blunders was updated on October 21, 2026 and Chess Opener Lite on October 7, 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.*