# Volcano Driver + vs AgendaBus

The clearest difference is in-app purchases: Volcano Driver + at none against AgendaBus's 1. Volcano Driver + also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). AgendaBus's advantage is update cadence (every 5 days vs every 4 weeks). On price and device support there is nothing between them.

Both are free to download. AgendaBus sells 1 in-app purchase, starting at $3.99 per year. Volcano Driver + asks for nothing beyond the download.

Volcano Driver + ships an update every 4 weeks, AgendaBus every 5 days. The most recent releases landed on November 3, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Volcano Driver + | AgendaBus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Size | 188 MB | 74 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Volcano TEC](https://appshunter.io/developer/1238145427) | [MARIO FERNANDEZ CALLE](https://appshunter.io/developer/6793064172) |

## What reviewers say

### Volcano Driver +

[App page](https://appshunter.io/ios/app/volcano-driver-plus/id6444800325)

**Features:** macOS Compatibility

**In-app purchases:** none


### AgendaBus

[App page](https://appshunter.io/ios/app/agendabus/id6793064170)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AgendaBus Pro | $3.99 | per year |


## Frequently asked questions

### Is Volcano Driver + free?

Volcano Driver + is free to download, with no in-app purchases.

### Is AgendaBus free?

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

### Do Volcano Driver + or AgendaBus have ads?

AgendaBus shows ads; Volcano Driver + does not.

### Which is updated more often, Volcano Driver + or AgendaBus?

Volcano Driver + ships an update every 4 weeks, and AgendaBus every 5 days. Most recently, Volcano Driver + was updated on November 3, 2026 and AgendaBus on November 1, 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.*