# Lotus Chess vs Modulus Coaching Classes

The clearest difference is in-app purchases: Modulus Coaching Classes at none against Lotus Chess's 4. Lotus Chess's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lotus Chess sells 4 in-app purchases, starting at $7.99 per month. Modulus Coaching Classes asks for nothing beyond the download.

Lotus Chess ships an update weekly, Modulus Coaching Classes monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lotus Chess | Modulus Coaching Classes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.1K ratings)](https://appshunter.io/ios/app/lotus-chess-trainer/id6738741464/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 86.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 245 MB | 116 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lotus Chess UG](https://appshunter.io/developer/1823941947) | [NOVUS LEARNING PRIVATE LIMITED](https://appshunter.io/developer/1686714769) |

## What reviewers say

### Lotus Chess

[App page](https://appshunter.io/ios/app/lotus-chess-trainer/id6738741464)

Master chess openings, tactics, and endgames with a personalized training system. Analyze your games, identify weaknesses, and learn winning strategies against human opponents. Improve your chess skills from beginner to competitive levels.

**Highlights:** Personalized opening courses from your games, Import games from Chess.com/Lichess, Master endgames with step-by-step lessons, 100,000+ chess puzzles, Offline access to lessons, In-depth game analysis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription - 1 Month | $7.99 | per month |
| Pro Subscription - 1 Month | $9.99 | per month |
| Pro Subscription - 1 Year | $49.99 | per year |
| Pro Subscription - 1 Year | $69.99 | per year |

**What reviewers like**

- 🚀 Helps with learning openings
- 👍 Easy to use
- 👍 Tailored advice based on actual games
- 👍 Surprisingly large catalog of openings
- 👍 Effective learning through repetition

**What reviewers complain about**

- 🐛 Bugs in the coding of the app
- 💡 Lack of explanations for the moves

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Library to explain the WHY behind the moves
- Link to an online library
- Ability to remove pre-selected openings
- Review of daily correspondence games


### Modulus Coaching Classes

[App page](https://appshunter.io/ios/app/modulus-coaching-classes/id6778116390)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lotus Chess free?

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

### Is Modulus Coaching Classes free?

Modulus Coaching Classes is free to download, with no in-app purchases.

### Do Lotus Chess or Modulus Coaching Classes have ads?

Neither Lotus Chess nor Modulus Coaching Classes shows ads.

### Which is updated more often, Lotus Chess or Modulus Coaching Classes?

Lotus Chess ships an update weekly, and Modulus Coaching Classes monthly. Most recently, Lotus Chess was updated on October 25, 2026 and Modulus Coaching Classes on October 24, 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.*