# GrindStack vs Rivver

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.

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.

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.

## The numbers

| Metric | GrindStack | Rivver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/grindstack-live-poker-tracker/id6744820078/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 73 MB | 69 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Jeremiah Moore](https://appshunter.io/developer/1695450531) | [Nicolai Følstad Austad](https://appshunter.io/developer/6778136887) |

## What reviewers say

### GrindStack

[App page](https://appshunter.io/ios/app/grindstack-live-poker-tracker/id6744820078)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Subscription | $4.99 | per 7 days |
| Monthly Pro Membership | $10.99 | per month |
| Pro Annual Subscription | $99.99 | per year |


### Rivver

[App page](https://appshunter.io/ios/app/rivver-poker-hand-tracker/id6778136885)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*