# DeltaChess vs Chess Pro Trainer™

The clearest difference is price: Chess Pro Trainer™ at Free against DeltaChess's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Chess Pro Trainer™ is free to download; DeltaChess costs $0.99 up front. DeltaChess sells 3 one-off in-app purchases and Chess Pro Trainer™ sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

DeltaChess ships an update every 4 days, Chess Pro Trainer™ every 3 days. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DeltaChess | Chess Pro Trainer™ |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (12 ratings)](https://appshunter.io/ios/app/chess-pro-trainer/id6774275331/reviews)** |
| Number of ratings | — | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 156 MB | 187 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sezgin Serin](https://appshunter.io/developer/1793997554) | [Chess With Coach Mark, LLC.](https://appshunter.io/developer/6774275333) |

## What reviewers say

### DeltaChess

[App page](https://appshunter.io/ios/app/deltachess/id6753863395)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Developer Tip – Small | $0.99 | one-time |
| Developer Tip – Medium | $9.99 | one-time |
| Developer Tip – Large | $99.99 | one-time |


### Chess Pro Trainer™

[App page](https://appshunter.io/ios/app/chess-pro-trainer/id6774275331)

This app enhances tactical vision and calculation in chess through realistic in-game simulations. It teaches players when and how to spot tactical opportunities, unlike traditional puzzle apps. Features include an advanced move evaluation system and various training modules for different aspects of tactical play.

**Highlights:** Realistic in-game tactical simulation, Advanced Alternate Acceptable Move system, Tactics Recognition Training, Genius Training for aggressive play, Checks and Coordinated Squares Training, Unprotected Pieces Training, Stockfish-powered Analysis Board

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Lifetime1 | $99.99 | one-time |
| Pro Lifetime 2 Licenses | $149.99 | one-time |
| Pro Lifetime4 | $199.99 | one-time |


## Frequently asked questions

### Is DeltaChess free?

DeltaChess costs $0.99, and also offers in-app purchases.

### Is Chess Pro Trainer™ free?

Chess Pro Trainer™ is free to download, with in-app purchases available.

### Do DeltaChess or Chess Pro Trainer™ have ads?

Neither DeltaChess nor Chess Pro Trainer™ shows ads.

### Which is updated more often, DeltaChess or Chess Pro Trainer™?

DeltaChess ships an update every 4 days, and Chess Pro Trainer™ every 3 days. Most recently, DeltaChess was updated on September 23, 2026 and Chess Pro Trainer™ on September 21, 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.*