# SmartGo One vs iPong!

The clearest difference is in-app purchases: iPong! at none against SmartGo One's 46. iPong! also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartGo One sells 46 in-app purchases, starting at $4.99 per month. iPong! asks for nothing beyond the download.

SmartGo One ships an update every 2 weeks, iPong! every 2 days. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SmartGo One | iPong! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.9K ratings)](https://appshunter.io/ios/app/smartgo-one/id1465746992/reviews)** | — |
| Number of ratings | **1.9K** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 32 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smart Go, Inc.](https://appshunter.io/developer/290948289) | [Sihyeon Jang](https://appshunter.io/developer/1870100787) |

## What reviewers say

### SmartGo One

[App page](https://appshunter.io/ios/app/smartgo-one/id1465746992)

Learn, play, and improve at the ancient game of Go. This app offers adjustable board sizes, a strong AI opponent, and tools to study professional games and solve Go problems. It's designed for players of all skill levels, from beginners to masters.

**Highlights:** Adjustable board sizes (9x9 to 19x19), Strong KataGo game engine, Study professional game records, Solve Go problems and tutorials, Pattern matching for move suggestions, Territory estimator, Game recording and annotation

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

**In-app purchases (46)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SmartGo One Pro – Monthly | $4.99 | per month |
| Pro Games and Features | $29.99 | per year |
| Just Enough Japanese 1 | Free | one-time |
| Key Concepts in Life and Death | $2.99 | one-time |
| Go Problems Master Collection | $3.99 | one-time |
| Go Problems Add-on 2: Medium | $3.99 | one-time |
| Go Problems Add-on 1: Easy | $3.99 | one-time |
| Go Problems Add-on 3: Hard | $3.99 | one-time |
| Counting Liberties | $4.99 | one-time |
| The Monkey Jump | $4.99 | one-time |
| Double Digit Kyu Games | $5.99 | one-time |
| Go: A Complete Introduction | $5.99 | one-time |
| How Not to Play Go | $5.99 | one-time |
| Encyclopedia of Go Principles | $5.99 | one-time |
| Want to Play Go? Level 1 | $5.99 | one-time |
| Black to Play 30-25 Kyu | $5.99 | one-time |
| The Workshop Lectures 1 | $5.99 | one-time |
| Rethinking Opening Strategy | $6.99 | one-time |
| Learn to Play Go 1 | $7.99 | one-time |
| Learn to Play Go 2 | $7.99 | one-time |
| Learn to Play Go 3 | $7.99 | one-time |
| Correct Joseki | $7.99 | one-time |
| “The Theory of Go” | $7.99 | one-time |
| Learn to Play Go 4 | $7.99 | one-time |
| Buddhist Philosophy Game of Go | $8.99 | one-time |
| Graded Go Problems 1 | $9.99 | one-time |
| Graded Go Problems 2 | $9.99 | one-time |
| Want to Play Go? Level 2 | $9.99 | one-time |
| Basic Techniques of Go | $9.99 | one-time |
| Graded Go Problems 3 | $9.99 | one-time |
| Get Strong at Life and Death | $9.99 | one-time |
| Mastering Mini Go by Mark Tomlinson | $11.99 | one-time |
| Fuseki Revolution | $11.99 | one-time |
| Fundamental Principles of Go | $11.99 | one-time |
| The Basics of Life and Death | $11.99 | one-time |
| Joseki Revolution | $11.99 | one-time |
| Life and Death | $11.99 | one-time |
| A Survey of the Basic Tesujis | $11.99 | one-time |
| Tesuji | $11.99 | one-time |
| AlphaGo to Zero, vol. 4 | $14.99 | one-time |
| Trouble Master, volume 2 | $14.99 | one-time |
| Trouble Master, volume 1 | $14.99 | one-time |
| AlphaGo to Zero, Vol. 2 | $14.99 | one-time |
| Invincible | $24.99 | one-time |
| Essential Go Proverbs | $24.99 | one-time |
| Pro – Lifetime Unlock | $99.00 | one-time |

**What reviewers like**

- 🚀 Awesome app
- 👍 Great for playing and learning Go
- 📚 Excellent integration with Go books
- 🔍 Powerful analysis and review features
- 💻 Seamless experience across devices

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🤔 Unintuitive user interface for beginners
- 💰 Paywall for full 19x19 board and some features
- 🤖 AI too strong for novice players

**Reported bugs**

- Illegal move detection issues on certain board positions
- Problems with missing variations or incorrect answers
- Inconsistent behavior when passing moves

**Requested features**

- Add read-only mode
- Improve move suggestion explanations
- Introduce difficulty settings for AI
- Integrate online play functionality
- Provide more randomness in AI moves


### iPong!

[App page](https://appshunter.io/ios/app/ipong/id6757990087)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartGo One free?

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

### Is iPong! free?

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

### Do SmartGo One or iPong! have ads?

Neither SmartGo One nor iPong! shows ads.

### Which is updated more often, SmartGo One or iPong!?

SmartGo One ships an update every 2 weeks, and iPong! every 2 days. Most recently, SmartGo One was updated on September 22, 2026 and iPong! on September 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.*