# Chess Tactics Pro (Puzzles) vs iAddThree

The clearest difference is ratings volume: Chess Tactics Pro (Puzzles) at 3.7K against iAddThree's 1. Chess Tactics Pro (Puzzles) also leads on iOS requirement (15.6 vs 17.0). iAddThree's advantage is rating (5.0 vs 4.7) and update cadence (every 3 weeks vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Chess Tactics Pro (Puzzles) sells 11 one-off in-app purchases and iAddThree sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

iAddThree holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Chess Tactics Pro (Puzzles) has 3.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 90% of Chess Tactics Pro (Puzzles)'s written reviews are positive against 100% of iAddThree's.

Chess Tactics Pro (Puzzles) ships an update every 2 months, iAddThree every 3 weeks. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Chess Tactics Pro (Puzzles) | iAddThree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.7K ratings)](https://appshunter.io/ios/app/chess-tactics-pro-puzzles/id903380719/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iaddthree/id1389962750/reviews)** |
| Number of ratings | **3.7K** | 1 |
| Positive reviews | 90.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 13 MB | 30 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emmanuel Mathis](https://appshunter.io/developer/892041879) | [Nikolai Nobadi](https://appshunter.io/developer/1330360753) |

## What reviewers say

### Chess Tactics Pro (Puzzles)

[App page](https://appshunter.io/ios/app/chess-tactics-pro-puzzles/id903380719)

Sharpen your chess skills with a vast library of puzzles for all levels. Practice daily, offline, or track your progress with adaptive challenges. Analyze your moves with a built-in engine and customize your experience with various themes.

**Highlights:** Daily puzzles, Offline puzzle packs, Progress mode with Elo rating, Puzzle analysis engine, Bookmark puzzles, Multiple board themes

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy mates | $1.99 | one-time |
| Intermediate mates | $1.99 | one-time |
| Hard mates | $1.99 | one-time |
| Easy tactics | $1.99 | one-time |
| Intermediate tactics | $1.99 | one-time |
| Hard tactics | $1.99 | one-time |
| Mates in 2, 3 and 4 moves | $1.99 | one-time |
| Intermediate Tactics - Vol. 2 | $1.99 | one-time |
| Hard Tactics - Vol. 2 | $1.99 | one-time |
| Easy Tactics - Vol. 2 | $1.99 | one-time |
| All-Access Pass | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Offline functionality
- 💡 Wide variety of puzzles
- 🎯 Helpful for improving tactics
- 🕰️ Daily puzzles of varying difficulty

**What reviewers complain about**

- 🐛 Some puzzles have flawed or ambiguous solutions
- 🤔 Difficulty levels not always accurate
- 📊 Lack of explanation for best moves
- 🔀 Inability to accept alternative winning solutions

**Reported bugs**

- Occasional crashes or freezes
- Incorrect move validation in some cases

**Requested features**

- Add option to see captured pieces
- Provide more context and analysis for puzzles
- Improve difficulty categorization of puzzles
- Allow for user feedback on puzzle issues


### iAddThree

[App page](https://appshunter.io/ios/app/iaddthree/id1389962750)

Engage your mind with a unique math game that challenges your focus and cognitive abilities. The objective is to add three to each number presented, with a special rule where numbers wrap around to zero instead of forming double digits. This simple yet effective exercise provides a mental workout.

**Highlights:** Cognitive training, Focus improvement, Unique math rules, Brain exercise, High score challenges

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Chess Tactics Pro (Puzzles) free?

Chess Tactics Pro (Puzzles) is free to download, with in-app purchases available.

### Is iAddThree free?

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

### Which has better reviews, Chess Tactics Pro (Puzzles) or iAddThree?

iAddThree is rated higher. Chess Tactics Pro (Puzzles) averages 4.7 out of 5 from 3.7K ratings, while iAddThree averages 5.0 from 1 ratings.

### Do Chess Tactics Pro (Puzzles) or iAddThree have ads?

Both Chess Tactics Pro (Puzzles) and iAddThree show ads.

### Which is updated more often, Chess Tactics Pro (Puzzles) or iAddThree?

Chess Tactics Pro (Puzzles) ships an update every 2 months, and iAddThree every 3 weeks. Most recently, Chess Tactics Pro (Puzzles) was updated on October 22, 2026 and iAddThree on October 14, 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.*