# PVGo Premium vs Notation

The clearest difference is update cadence: Notation at every 4 days against PVGo Premium's every 2 months. PVGo Premium's advantage is price ($0.99 vs $2.99) and iOS requirement (15.0 vs 18.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

PVGo Premium costs $0.99 and Notation $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PVGo Premium ships an update every 2 months, Notation every 4 days. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PVGo Premium | Notation |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | — | **[4.5 (4 ratings)](https://appshunter.io/ios/app/notation-chess-coach/id6759826744/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 55 MB | 427 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jianfeng Wu](https://appshunter.io/developer/1435210283) | [Darren Cox](https://appshunter.io/developer/1874926497) |

## What reviewers say

### PVGo Premium

[App page](https://appshunter.io/ios/app/pvgo-premium/id6749471128)

This app offers a premium experience for learning the board game Go. It provides full access to all features, an ad-free environment, and the ability to play offline. Enhance your strategic skills with this comprehensive educational tool.

**Highlights:** Full access to all features, No advertisements, Offline play capability, Go (Weiqi, Baduk) learning, Premium version

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

**In-app purchases:** none


### Notation

[App page](https://appshunter.io/ios/app/notation-chess-coach/id6759826744)

This app provides in-depth chess coaching by explaining moves and patterns using advanced AI and established coaching theories. It offers detailed game reviews, player profiling, and opponent scouting, all processed on your device for privacy.

**Highlights:** On-device AI analysis, Multiple coaching frameworks, Detailed game reviews, Player style profiling, Opponent scouting, Physical board integration, Privacy-focused design

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

**In-app purchases:** none


## Frequently asked questions

### Is PVGo Premium free?

PVGo Premium costs $0.99, with no in-app purchases.

### Is Notation free?

Notation costs $2.99, with no in-app purchases.

### Do PVGo Premium or Notation have ads?

Neither PVGo Premium nor Notation shows ads.

### Which is updated more often, PVGo Premium or Notation?

PVGo Premium ships an update every 2 months, and Notation every 4 days. Most recently, PVGo Premium was updated on September 25, 2026 and Notation on September 12, 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.*