# Chess Problems Lite vs Encyclopedia 3 by Informant

The clearest difference is rating: Encyclopedia 3 by Informant at 4.9 against Chess Problems Lite's 4.3. Encyclopedia 3 by Informant also leads on review sentiment (100% vs 83%) and update cadence (every 3 months vs every 7 months). Chess Problems Lite's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Encyclopedia 3 by Informant sells 1 one-off in-app purchase. Chess Problems Lite asks for nothing beyond the download.

Encyclopedia 3 by Informant holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 8 and 17 respectively. Written reviews point the same way: 83% of Chess Problems Lite's written reviews are positive against 100% of Encyclopedia 3 by Informant's.

Chess Problems Lite ships an update every 7 months, Encyclopedia 3 by Informant every 3 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chess Problems Lite | Encyclopedia 3 by Informant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (8 ratings)](https://appshunter.io/ios/app/chess-problems-lite/id369822228/reviews) | **[4.9 (17 ratings)](https://appshunter.io/ios/app/encyclopedia-3-by-informant/id1256485200/reviews)** |
| Number of ratings | 8 | **17** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 7 MB | 44 MB |
| Requires iOS | 13.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gano Technologies LLC](https://appshunter.io/developer/333237652) | [Chess King](https://appshunter.io/developer/1096660597) |

## What reviewers say

### Chess Problems Lite

[App page](https://appshunter.io/ios/app/chess-problems-lite/id369822228)

Sharpen your chess skills with directmate puzzles. This app offers 10 interactive problems, from easy mate-in-one to challenging mate-in-four moves. It features a revamped chess engine, a timing clock, customizable piece sets and color schemes, and social leaderboards with Facebook integration.

**Highlights:** Directmate chess puzzles, Mate in 1 to 4+ moves, Revamped chess engine, Timing clock for puzzles, Customizable piece sets and color schemes, Leaderboards and Facebook integration

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

**In-app purchases:** none


### Encyclopedia 3 by Informant

[App page](https://appshunter.io/ios/app/encyclopedia-3-by-informant/id1256485200)

This educational tool offers systematic chess training with advanced-level combinations for players rated 2400 ELO. It provides interactive lessons, hints, and explanations to improve tactical skills and game knowledge. The app challenges users consistently, unveiling new intricacies as they master specific tactics.

**Highlights:** Advanced level chess combinations, Systematic training by theme, Interactive theoretical lessons, Hints and refutations for mistakes, Play positions against computer, Monitors ELO rating changes, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Course | $9.99 | one-time |


## Frequently asked questions

### Is Chess Problems Lite free?

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

### Is Encyclopedia 3 by Informant free?

Encyclopedia 3 by Informant is free to download, with in-app purchases available.

### Which has better reviews, Chess Problems Lite or Encyclopedia 3 by Informant?

Encyclopedia 3 by Informant is rated higher. Chess Problems Lite averages 4.3 out of 5 from 8 ratings, while Encyclopedia 3 by Informant averages 4.9 from 17 ratings.

### Do Chess Problems Lite or Encyclopedia 3 by Informant have ads?

Neither Chess Problems Lite nor Encyclopedia 3 by Informant shows ads.

### Which is updated more often, Chess Problems Lite or Encyclopedia 3 by Informant?

Chess Problems Lite ships an update every 7 months, and Encyclopedia 3 by Informant every 3 months. Most recently, Chess Problems Lite was updated on October 23, 2026 and Encyclopedia 3 by Informant 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.*