# NEWBL KataGo vs OneSolve Go

The clearest difference is update cadence: NEWBL KataGo at every 2 days against OneSolve Go's every 3 weeks. NEWBL KataGo also leads on iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. NEWBL KataGo sells 3 in-app purchases, starting at $0.99 per month and OneSolve Go sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

NEWBL KataGo ships an update every 2 days, OneSolve Go every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | NEWBL KataGo | OneSolve Go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/onesolve-go/id6798178345/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Newbl](https://appshunter.io/developer/1755559417) | [Suzhou Vector16 Tech Ltd](https://appshunter.io/developer/1896112927) |

## What reviewers say

### NEWBL KataGo

[App page](https://appshunter.io/ios/app/newbl-katago/id6762753741)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited | $0.99 | per month |
| AI Coach | $2.99 | per month |
| Annual Unlimited | $4.99 | per year |


### OneSolve Go

[App page](https://appshunter.io/ios/app/onesolve-go/id6798178345)

Master the game of Go with this comprehensive offline app. It offers AI-powered training, life-and-death problems, beginner lessons, and game analysis. Optimized for Apple devices, it ensures privacy and performance.

**Highlights:** Offline KataGo engine, Life-and-death problems, Beginner lessons, Game analysis and rank assessment, Optimized for Apple Silicon, iCloud game syncing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Member | $4.99 | per year |
| Lifetime Member | $7.99 | one-time |


## Frequently asked questions

### Is NEWBL KataGo free?

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

### Is OneSolve Go free?

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

### Do NEWBL KataGo or OneSolve Go have ads?

Neither NEWBL KataGo nor OneSolve Go shows ads.

### Which is updated more often, NEWBL KataGo or OneSolve Go?

NEWBL KataGo ships an update every 2 days, and OneSolve Go every 3 weeks. Most recently, NEWBL KataGo was updated on October 15, 2026 and OneSolve Go on October 11, 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.*