# IRMSA vs Lecturium

The clearest difference is in-app purchases: IRMSA at none against Lecturium's 6. IRMSA also leads on ads (none vs shown). Lecturium's advantage is update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Lecturium sells 6 in-app purchases, starting at $4.99 per month. IRMSA asks for nothing beyond the download.

IRMSA ships an update every 3 weeks, Lecturium weekly. The most recent releases landed on September 9, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | IRMSA | Lecturium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lecturium/id6752878067/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 162 MB | 50 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [EventBank](https://appshunter.io/developer/740353440) | [Randal Dunn III](https://appshunter.io/developer/1841494810) |

## What reviewers say

### IRMSA

[App page](https://appshunter.io/ios/app/irmsa/id6744668206)

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

**In-app purchases:** none


### Lecturium

[App page](https://appshunter.io/ios/app/lecturium/id6752878067)

Record lectures and let AI transform them into personalized study materials. Generate flashcards, quizzes, and mind maps to enhance your learning and prepare for exams. Offers flexible plans for students and lifelong learners.

**Highlights:** Smart lecture recording with transcription, AI-generated flashcards and quizzes, Interactive mind maps, Feynman Mode for deep learning, Flexible subscription plans

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lecturium Basic Subscription | $4.99 | per month |
| Lecturium Premium Subscription | $9.99 | per month |
| Lecturium Unlimited Monthly | $19.99 | per month |
| Lecturium Basic Yearly | $47.90 | per year |
| Lecturium Premium Yearly | $95.90 | per year |
| Lecturium Unlimited Yearly | $204.99 | per year |


## Frequently asked questions

### Is IRMSA free?

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

### Is Lecturium free?

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

### Do IRMSA or Lecturium have ads?

Lecturium shows ads; IRMSA does not.

### Which is updated more often, IRMSA or Lecturium?

IRMSA ships an update every 3 weeks, and Lecturium weekly. Most recently, IRMSA was updated on September 9, 2026 and Lecturium on September 11, 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.*