Comparison

GoGrinari vs Read19

Price, ratings, monetisation and update history for both games, side by side โ€” with what reviewers say about each.

Head to head
About

GoGrinari

Features
Read full description

play your own set of go problem in GoGrinder format. (compress the set folder in a zip file)

About

Read19

Features
Read full description

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

GoGrinari1 screens
Read194 screens

Verdict

The call

The clearest difference is in-app purchases: GoGrinari at none against Read19's 4. GoGrinari also leads on iOS requirement (15.0 vs 18.0). Read19's advantage is update cadence (every 2 days vs every 4 weeks). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Read19 sells 4 in-app purchases, starting at $6.99 per month. GoGrinari asks for nothing beyond the download.

UpkeepUpdate frequency

GoGrinari ships an update every 4 weeks, Read19 every 2 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

Scorecard3 real differences ยท 3 level
GoGrinari versus Read19: the parameters behind the verdict, then further details
ParameterGoGrinariRead19
PriceFreeFree
Update frequencyEvery 4 weeksEvery 2 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.0 โ€” better18.0
Further details โ€” not scored
Size34 MB16 MB
Age rating4+4+
DeveloperRosat Davidๆ€็จ‹ ้™ˆ

In-app purchases

None

GoGrinari

No in-app purchases

4 purchases

Read19

Subscriptions1
  • KataGo Review Plus$6.991 Month
One-time3
  • 300K Visits$1.99
  • 1M Visits$3.99
  • 3M Visits$9.99

Questions

Is GoGrinari free?
GoGrinari is free to download, with no in-app purchases.
Is Read19 free?
Read19 is free to download, with in-app purchases available.
Do GoGrinari or Read19 have ads?
Neither GoGrinari nor Read19 shows ads.
Which is updated more often, GoGrinari or Read19?
GoGrinari ships an update every 4 weeks, and Read19 every 2 days. Most recently, GoGrinari was updated on October 3, 2026 and Read19 on September 30, 2026.

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