# Lecture Viewer vs AcoustiQ

The clearest difference is in-app purchases: Lecture Viewer at none against AcoustiQ's 2. Lecture Viewer also leads on update cadence (weekly vs monthly) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. AcoustiQ sells 2 in-app purchases, starting at $99.00 per month. Lecture Viewer asks for nothing beyond the download.

Lecture Viewer ships an update weekly, AcoustiQ monthly. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Lecture Viewer | AcoustiQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lecture-viewer/id6504312546/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 76 MB | 45 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quoc Truong Do](https://appshunter.io/developer/1690769364) | [Mueller-BBM Innovation Lab GmbH](https://appshunter.io/developer/1794145695) |

## What reviewers say

### Lecture Viewer

[App page](https://appshunter.io/ios/app/lecture-viewer/id6504312546)

This voice recording application uses advanced speech recognition to transcribe spoken words into text in real-time with high accuracy. It's designed to transform your voice into written notes efficiently.

**Highlights:** Real-time voice recording, Speech recognition technology, High accuracy transcription, Voice to text conversion

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

**In-app purchases:** none


### AcoustiQ

[App page](https://appshunter.io/ios/app/acoustiq/id6741431064)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $99.00 | per month |
| Annual Plan | $999.99 | per year |


## Frequently asked questions

### Is Lecture Viewer free?

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

### Is AcoustiQ free?

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

### Do Lecture Viewer or AcoustiQ have ads?

Neither Lecture Viewer nor AcoustiQ shows ads.

### Which is updated more often, Lecture Viewer or AcoustiQ?

Lecture Viewer ships an update weekly, and AcoustiQ monthly. Most recently, Lecture Viewer was updated on November 8, 2026 and AcoustiQ on November 4, 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.*