Tangdou Go vs Read19
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Tangdou Go
This app offers a comprehensive Go experience, allowing users to play online matches, practice against AI, and analyze their games. It provides tools for reviewing past games with detailed statistics and browsing game records to facilitate continuous improvement.
- Online Go matches
- AI opponent challenges
- AI game analysis
- Win-rate charts
- Game record browsing
- Go club integration
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Tangdou Go is a Go platform for play, review, and improvement. Play online games, challenge the built-in AI, review games with AI analysis and win-rate charts, browse game records, and keep improving wherever you play.
Read19
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Read19 brings cloud-powered KataGo analysis to iPhone, iPad, and Mac. Play directly against AI and watch win rate and score lead update move by move. Import SGF records to explore candidate moves, principal variations, ownership, and whole-game trends. Read19 flags inaccuracies, mistakes, and blunders by win-rate and point loss, so you can focus on the moves that changed the game. Your games and reviews stay on device. Sign in to sync privately with iCloud across devices and export standard SGF files. Read19 prefers secure WSS and falls back to HTTPS on restricted networks. Advanced users can connect to a compatible backend with custom HTTPS/WSS endpoints and an optional Bearer token. Free includes 100,000 visits each calendar month with the Fast model. Plus unlocks the stronger Balanced model, more concurrency, and 2,000,000 monthly visits. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Tangdou Go at none against Read19's 4. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Read19 sells 4 in-app purchases, starting at $6.99 per month. Tangdou Go asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | Tangdou Go | Read19 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 87.5% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 18.1 | 18.0 — better |
| Further details — not scored | ||
| Size | 340 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 北京泽齐科技有限公司 | 思程 陈 |
In-app purchases
Tangdou Go
No in-app purchases
Read19
- KataGo Review Plus$6.991 Month
- 300K Visits$1.99
- 1M Visits$3.99
- 3M Visits$9.99
