# SubMastery vs Vamahss

The clearest difference is in-app purchases: SubMastery at none against Vamahss's 1. SubMastery also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Vamahss sells 1 one-off in-app purchase. SubMastery asks for nothing beyond the download.

SubMastery ships an update every 6 months, Vamahss every 11 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SubMastery | Vamahss |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 92.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Free | — |
| Size | 101 MB | 52 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SubMastery Edtech Private Limited](https://appshunter.io/developer/1545382568) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### SubMastery

[App page](https://appshunter.io/ios/app/submastery-community-learning/id1545382566)

This app provides engineers with online courses, live classes, and assignments to enhance their subject mastery and career growth. It aims to bridge the gap in corporate training by offering accessible, high-quality learning resources and mentorship.

**Highlights:** Intensive online courses, Live classes, Assignments with review, Quizzes and tests, Doubt clearing sessions, Video recordings available, Community support groups

**In-app purchases:** none


### Vamahss

[App page](https://appshunter.io/ios/app/vamahss/id6475679285)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IMS Lead Auditor Training | $9.99 | one-time |


## Frequently asked questions

### Is SubMastery free?

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

### Is Vamahss free?

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

### Do SubMastery or Vamahss have ads?

Neither SubMastery nor Vamahss shows ads.

### Which is updated more often, SubMastery or Vamahss?

SubMastery ships an update every 6 months, and Vamahss every 11 months. Most recently, SubMastery was updated on October 3, 2026 and Vamahss on October 10, 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.*