# Phy vs Chessvis

The clearest difference is in-app purchases: Phy at none against Chessvis's 3. Phy also leads on iOS requirement (13.0 vs 15.6). Chessvis's advantage is update cadence (monthly vs every 54 months). On price, ads and device support there is nothing between them.

Both are free to download. Chessvis sells 3 in-app purchases, starting at $3.99 per month. Phy asks for nothing beyond the download.

Phy ships an update every 54 months, Chessvis monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Phy | Chessvis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (21 ratings)](https://appshunter.io/ios/app/chessvis/id1229226444/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 70.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 54 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 2 MB | 38 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) | [Conceptual Software, Inc.](https://appshunter.io/developer/1229226443) |

## What reviewers say

### Phy

[App page](https://appshunter.io/ios/app/phy-stack/id949127355)

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

**In-app purchases:** none


### Chessvis

[App page](https://appshunter.io/ios/app/chessvis/id1229226444)

Enhance your chess skills with unique visualization exercises, including blindfold chess and progressive move following. Prepare openings by focusing on common opponent moves and practice with spaced repetition. Access millions of categorized puzzles with customizable difficulty and rating controls.

**Highlights:** Unique visualized puzzles, Blindfold chess training, Opening repertoire preparation, Progressive move following, Customizable puzzle categories and ratings, Offline puzzle access

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chessvis Monthly Subscription | $3.99 | per month |
| Chessvis Annual Subscription | $29.99 | per year |
| Chessvis Perpetual | $99.99 | one-time |


## Frequently asked questions

### Is Phy free?

Phy is free to download, with no in-app purchases.

### Is Chessvis free?

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

### Do Phy or Chessvis have ads?

Neither Phy nor Chessvis shows ads.

### Which is updated more often, Phy or Chessvis?

Phy ships an update every 54 months, and Chessvis monthly. Most recently, Phy was updated on November 1, 2026 and Chessvis on November 2, 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.*