# Notation vs ChessFlow

The clearest difference is price: ChessFlow at Free against Notation's $2.99. Notation's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

ChessFlow is free to download; Notation costs $2.99 up front. ChessFlow sells 4 in-app purchases, starting at $4.99 per month. Notation asks for nothing beyond the download.

Notation ships an update every 5 days, ChessFlow every 3 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Notation | ChessFlow |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/notation-chess-coach/id6759826744/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Paid | — |
| Size | 563 MB | 202 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Darren Cox](https://appshunter.io/developer/1874926497) | [Giorgio Donnoli](https://appshunter.io/developer/6777981338) |

## What reviewers say

### Notation

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

This app provides in-depth chess coaching by explaining the 'why' behind moves, not just the 'what'. It uses advanced on-device analysis and multiple coaching frameworks to offer personalized game reviews, player profiles, and opponent scouting.

**Highlights:** On-device chess analysis with Stockfish 18, Multiple grandmaster-level coaching frameworks, Detailed game reviews and player profiles, Opponent scouting and matchup reports, Play with physical chess boards via Bluetooth, Privacy-focused design with no tracking

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

**In-app purchases:** none


### ChessFlow

[App page](https://appshunter.io/ios/app/chessflow/id6777981336)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessFlow Virtual | $4.99 | per month |
| ChessFlow Premium | $8.99 | per month |
| ChessFlow Virtual | $29.99 | per year |
| ChessFlow Premium | $49.99 | per year |


## Frequently asked questions

### Is Notation free?

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

### Is ChessFlow free?

ChessFlow is free to download, with in-app purchases available.

### Do Notation or ChessFlow have ads?

Neither Notation nor ChessFlow shows ads.

### Which is updated more often, Notation or ChessFlow?

Notation ships an update every 5 days, and ChessFlow every 3 days. Most recently, Notation was updated on October 31, 2026 and ChessFlow on October 28, 2026.

---

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