# BPM Master vs Marvin

The clearest difference is price: Marvin at Free against BPM Master's $0.99. Marvin also leads on update cadence (fortnightly vs every 6 weeks). BPM Master's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 16.0). On ads and device support there is nothing between them.

Marvin is free to download; BPM Master costs $0.99 up front. Marvin sells 3 in-app purchases, starting at $2.99 per month. BPM Master asks for nothing beyond the download.

BPM Master ships an update every 6 weeks, Marvin fortnightly. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | BPM Master | Marvin |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 1 MB | 35 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Pasha](https://appshunter.io/developer/1714813567) | [龙 陈](https://appshunter.io/developer/1680445870) |

## What reviewers say

### BPM Master

[App page](https://appshunter.io/ios/app/bpm-master/id6475794293)

**Features:** Apple Watch app

**In-app purchases:** none


### Marvin

[App page](https://appshunter.io/ios/app/marvin-ai-chat-for-watch/id6743322375)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard Membership | $2.99 | per month |
| Pro Membership | $5.99 | per month |
| 50 Messages | $0.99 | one-time |


## Frequently asked questions

### Is BPM Master free?

BPM Master costs $0.99, with no in-app purchases.

### Is Marvin free?

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

### Do BPM Master or Marvin have ads?

Neither BPM Master nor Marvin shows ads.

### Which is updated more often, BPM Master or Marvin?

BPM Master ships an update every 6 weeks, and Marvin fortnightly. Most recently, BPM Master was updated on November 6, 2026 and Marvin on October 30, 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.*