# Angle Explorer vs Chess Puzzles

The clearest difference is review sentiment: Chess Puzzles at 95% against Angle Explorer's 0%. Chess Puzzles also leads on price (Free vs $0.99). Angle Explorer's advantage is in-app purchases (none vs 23) and device support (3 vs 1). On ads there is nothing between them.

Chess Puzzles is free to download; Angle Explorer costs $0.99 up front. Chess Puzzles sells 17 in-app purchases, starting at $3.99 per 7 days. Angle Explorer asks for nothing beyond the download.

## The numbers

| Metric | Angle Explorer | Chess Puzzles |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (238 ratings)](https://appshunter.io/ios/app/chess-puzzles-tactics-trainer/id6748346536/reviews)** |
| Number of ratings | — | **238** |
| Positive reviews | 0.0% of reviews | **94.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 54 MB | 111 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [I.D.P.](https://appshunter.io/developer/297048782) | [Sergei Tovmasian](https://appshunter.io/developer/1641137698) |

## What reviewers say

### Angle Explorer

[App page](https://appshunter.io/ios/app/angle-explorer/id6612010627)

A puzzle game that tests your math skills. Solve geometric challenges by recalling school math lessons, sometimes requiring paper and pencil for complex calculations. Progress through increasing difficulty levels.

**Highlights:** Mathematical challenges, Geometric puzzles, Difficulty progression, Recall school math, Paper and pencil calculations

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

**In-app purchases:** none


### Chess Puzzles

[App page](https://appshunter.io/ios/app/chess-puzzles-tactics-trainer/id6748346536)

Enhance your chess skills with adaptive tactical training. Solve millions of real-game puzzles to build pattern recognition and increase your rating. The system adjusts to your level, offering structured sessions for steady progress.

**Highlights:** Adaptive puzzle difficulty, Millions of real-game chess puzzles, Themed tactical training (forks, pins, etc.), Engine-supported analysis, Rating growth and accuracy tracking, Structured training sessions

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

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Chess.PhD Weekly Access | $3.99 | per 7 days |
| Premium Weekly | $4.99 | per 7 days |
| Chess.PhD Weekly Premium | $4.99 | per 7 days |
| Chess.PhD Monthly Premium | $6.99 | per month |
| Chess.PhD Monthly Access | $7.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium Annual | $29.99 | per year |
| Chess.PhD Annual Access | $39.99 | per year |
| Chess.PhD Premium (1 Year) | $49.99 | per year |
| Premium Annual | $49.99 | per year |
| Premium Annual | $49.99 | per year |
| Premium Annual | $49.99 | per year |
| Premium 1 Year | $49.99 | per year |
| Chess.PhD Annual Premium | $49.99 | per year |
| Premium Annual | $79.99 | per year |
| Premium Annual | $79.99 | per year |


## Frequently asked questions

### Is Angle Explorer free?

Angle Explorer costs $0.99, with no in-app purchases.

### Is Chess Puzzles free?

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

### Do Angle Explorer or Chess Puzzles have ads?

Neither Angle Explorer nor Chess Puzzles shows ads.

---

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