# UMK3 Frame Data vs OpenChess

The clearest difference is rating: OpenChess at 5.0 against UMK3 Frame Data's 2.7. UMK3 Frame Data's advantage is in-app purchases (none vs 10) and iOS requirement (8.0 vs 12.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. OpenChess sells 10 one-off in-app purchases. UMK3 Frame Data asks for nothing beyond the download.

OpenChess holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | UMK3 Frame Data | OpenChess |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/umk3-frame-data/id1302042220/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904/reviews)** |
| Number of ratings | **3** | 2 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 57 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Tamir Chuluunbaatar](https://appshunter.io/developer/1302042219) | [David Bryant](https://appshunter.io/developer/1559648957) |

## What reviewers say

### UMK3 Frame Data

[App page](https://appshunter.io/ios/app/umk3-frame-data/id1302042220)

This application provides frame data for players of Ultimate Mortal Kombat 3 to help them improve their skills. It serves as a reference tool for understanding character moves and their timings within the game.

**Highlights:** Frame data for UMK3, Skill improvement tool, Character move reference, In-game timing analysis

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenChess

[App page](https://appshunter.io/ios/app/openchess-an-opening-explorer/id6504700904)

Master chess openings by playing against a specialized AI. Explore specific defenses or move sequences, and gain insights into positional advantages and piece values. Improve your game from the very first moves.

**Highlights:** Learn specific chess openings, Play against AI focused on opening lines, Analyze positional advantages, Evaluate piece values and mobility, Understand pawn structure, Track defended and attacked pieces

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tarrasch Defense Opening | $0.99 | one-time |
| Trompowsky Attack Opening | $0.99 | one-time |
| Scandinavian Defense Opening | $0.99 | one-time |
| Three Knights Opening | $0.99 | one-time |
| Zukertort Opening | $0.99 | one-time |
| Van't Kruijs Opening | $0.99 | one-time |
| Vienna Game Opening | $0.99 | one-time |
| Ware Opening | $0.99 | one-time |
| Opening Explorer | $4.99 | one-time |
| OpenChess Premium | $19.99 | one-time |


## Frequently asked questions

### Is UMK3 Frame Data free?

UMK3 Frame Data is free to download, with no in-app purchases.

### Is OpenChess free?

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

### Which has better reviews, UMK3 Frame Data or OpenChess?

OpenChess is rated higher. UMK3 Frame Data averages 2.7 out of 5 from 3 ratings, while OpenChess averages 5.0 from 2 ratings.

### Do UMK3 Frame Data or OpenChess have ads?

Neither UMK3 Frame Data nor OpenChess shows ads.

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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.*