Comparison

GrindStack vs Rivver

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GrindStack

This app helps serious poker players track live game hands, opponent tendencies, and bankroll. It features a specialized keyboard for fast note-taking and AI-powered strategy insights. Analyze your game and build a player database to gain a competitive edge.

Highlights
  • Fast live game note-taking
  • Custom poker shorthand keyboard
  • Bankroll and session tracking
  • AI strategy insights
  • Hand history review and search
  • Player database building
Read full description

Stop guessing and start grinding. GrindStack is the ultimate live poker tracker, bankroll log, and AI-powered strategy coach built for serious cash game and tournament players. Never forget a hand again. Log live action in seconds with our custom poker shorthand keyboard, track opponent tells, and turn raw session data into actionable analytics. Wondering how to track poker hands effectively at the table? GrindStack transforms your notes into a structured study database. Find your leaks, analyze Texas Holdem hands, and elevate your live game strategy. KEY FEATURES: • Quick Hand History Logging: Built for fast-paced casino action. • Interactive Bankroll Manager: Track your hourly win rates and trends. • AI Poker Coach: Instantly analyze your decisions and find leaks. • Opponent Notes: Keep a secure database of player tells and styles. Download GrindStack today, find your leaks, and boost your win rate. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Rivver

Features
Read full description

Rivver offers a standardized format for live poker players to log hands, replay them, and talk through the spots that actually matter. Capture a hand in seconds with a tool built for in-game frictionless logging using one hand. No more clunky forms and distraction. Then watch it play back street by street, exactly as it happened, with positions, stacks, the board, and the result. Share any hand to your feed and let the community review and interact. Was it a bad beat, or a bad play? Follow other players, replay their hands, and break down the decision on every street. TRACK YOUR GAME - Log live cash hands and tournament hands fast, in big blinds or chips - Replay any hand action by action, street by street - Live session tracking: chip counts, blinds, and key hands as the night unfolds - A clean profile with your sessions, stats, and biggest pots A SOCIAL FEED THAT SPEAKS POKER - Share hands on a standardized format and get input from other players - Follow players and replay the hands they post - Comment and react street by street, not just at the end BUILT FOR STUDY - Revisit your spots later and see them clearly - Keep your hands and sessions in one place - Share a link to any hand for a second opinion Rivver is a hand-analysis and social app for poker players. It does NOT offer real-money gambling, wagering, or play-money games. It is a tool for tracking, replaying, and discussing hands you played elsewhere. Questions or feedback? Reach us at nicolaiaustad@gmail.com.

Screenshots

GrindStack4 screens
Rivver4 screens

Verdict

The call

The clearest difference is in-app purchases: Rivver at none against GrindStack's 3. Rivver also leads on update cadence (every 10 days vs every 5 weeks). GrindStack's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GrindStack sells 3 in-app purchases, starting at $4.99 per 7 days. Rivver asks for nothing beyond the download.

UpkeepUpdate frequency

GrindStack ships an update every 5 weeks, Rivver every 10 days. The most recent releases landed on September 30, 2026 and October 18, 2026 respectively.

Scorecard4 real differences · 6 level
GrindStack versus Rivver: the parameters behind the verdict, then further details
ParameterGrindStackRivver
PriceFreeFree
Rating4.4 (7 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings7 — better—
Update frequencyEvery 5 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size73 MB69 MB
Age rating4+17+
DeveloperJeremiah MooreNicolai Følstad Austad

In-app purchases

3 purchases

GrindStack

Subscriptions3
  • Weekly Pro Subscription$4.997 Days
  • Monthly Pro Membership$10.991 Month
  • Pro Annual Subscription$99.991 Year
None

Rivver

No in-app purchases

Questions

Is GrindStack free?
GrindStack is free to download, with in-app purchases available.
Is Rivver free?
Rivver is free to download, with no in-app purchases.
Do GrindStack or Rivver have ads?
Neither GrindStack nor Rivver shows ads.
Which is updated more often, GrindStack or Rivver?
GrindStack ships an update every 5 weeks, and Rivver every 10 days. Most recently, GrindStack was updated on September 30, 2026 and Rivver on October 18, 2026.

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