# Voculus vs BOLLE

The clearest difference is update cadence: BOLLE at every 6 weeks against Voculus's every 7 months. Voculus's advantage is iOS requirement (11.0 vs 16.4). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Voculus ships an update every 7 months, BOLLE every 6 weeks. The most recent releases landed on September 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Voculus | BOLLE |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **50.0% of reviews** | 43.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 15 MB | 64 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Prof. Dr. Guido Nottbusch](https://appshunter.io/developer/1531852588) | [Bolle Software GmbH](https://appshunter.io/developer/1621700159) |

## What reviewers say

### Voculus

[App page](https://appshunter.io/ios/app/voculus/id1531852586)

This app synchronizes audiobooks with e-books, allowing users to read along as they listen. Currently in a pilot phase at select schools, it offers a unique way to engage with educational content.

**Highlights:** ePub3 audio-eBook reader, Synchronized audio and text, Pilot phase at schools, Contact for interest

**Features:** macOS Compatibility

**In-app purchases:** none


### BOLLE

[App page](https://appshunter.io/ios/app/bolle/id1624077579)

This app serves as a digital companion for educators, streamlining daily tasks directly from a mobile device. It also provides students and parents with access to school-provided data.

**Highlights:** Daily task management for teachers, Access to school-provided data, Student and parent insights, Mobile classroom management

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Voculus free?

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

### Is BOLLE free?

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

### Do Voculus or BOLLE have ads?

Neither Voculus nor BOLLE shows ads.

### Which is updated more often, Voculus or BOLLE?

Voculus ships an update every 7 months, and BOLLE every 6 weeks. Most recently, Voculus was updated on September 18, 2026 and BOLLE 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.*