# ABCHESS vs SIS manager

The clearest difference is in-app purchases: SIS manager at none against ABCHESS's 10. SIS manager also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). ABCHESS's advantage is iOS requirement (13.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. ABCHESS sells 9 in-app purchases, starting at $4.99 per month. SIS manager asks for nothing beyond the download.

ABCHESS ships an update monthly, SIS manager every 2 weeks. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ABCHESS | SIS manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (14 ratings)](https://appshunter.io/ios/app/abchess-personal-trainer/id1506197698/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 33 MB | 39 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Berik Akkozov](https://appshunter.io/developer/1495276829) | [Moapy LLC](https://appshunter.io/developer/1185170848) |

## What reviewers say

### ABCHESS

[App page](https://appshunter.io/ios/app/abchess-personal-trainer/id1506197698)

Learn chess with a structured program designed by an International Master. Access hundreds of video lessons, thousands of exercises, and track your progress with detailed statistics. Suitable for all levels, from beginner to advanced.

**Highlights:** Step-by-step learning program, Video lessons, Thousands of exercises, Detailed progress statistics, Created by International Master, Learn anytime, anywhere

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month Premium | $4.99 | per month |
| 6 months Premium | $24.99 | per 6 months |
| Basic of chess | $9.99 | one-time |
| gm Amonatov Farrukh | $14.99 | one-time |
| IM Kairbekov Rustam | $14.99 | one-time |
| Chess for 3 minutes | $54.99 | one-time |
| gm Baklan Vladimir | $59.99 | one-time |
| gm Efimenko Zahar | $59.99 | one-time |
| gm Kuzubov Yurii | $59.99 | one-time |


### SIS manager

[App page](https://appshunter.io/ios/app/sis-manager/id6790672460)

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

**In-app purchases:** none


## Frequently asked questions

### Is ABCHESS free?

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

### Is SIS manager free?

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

### Do ABCHESS or SIS manager have ads?

ABCHESS shows ads; SIS manager does not.

### Which is updated more often, ABCHESS or SIS manager?

ABCHESS ships an update monthly, and SIS manager every 2 weeks. Most recently, ABCHESS was updated on October 18, 2026 and SIS manager on October 25, 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.*