# Lumo AI by Proton vs RTMP Server Pro

The clearest difference is price: Lumo AI by Proton at Free against RTMP Server Pro's $9.99. RTMP Server Pro's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Lumo AI by Proton is free to download; RTMP Server Pro costs $9.99 up front. Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month. RTMP Server Pro asks for nothing beyond the download.

Lumo AI by Proton ships an update every 11 days, RTMP Server Pro fortnightly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Lumo AI by Proton | RTMP Server Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.8 (558 ratings)](https://appshunter.io/ios/app/lumo-ai-by-proton/id6746714949/reviews)** | — |
| Number of ratings | **558** | — |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 31 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [KUO HAI CHEN](https://appshunter.io/developer/1846806140) |

## What reviewers say

### Lumo AI by Proton

[App page](https://appshunter.io/ios/app/lumo-ai-by-proton/id6746714949)

This AI assistant prioritizes your privacy, offering help with productivity, curiosity, and staying informed. Developed by the team behind trusted encrypted services, it ensures your data remains secure.

**Highlights:** Privacy-first AI assistant, Boost productivity, Satisfy curiosity, Stay informed, Secure data handling

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumo Plus (1 month) | $12.99 | per month |
| Lumo Plus (12 months) | $119.99 | per year |

**What reviewers like**

- 👍 Sophisticated knowledge base
- 🚀 Rapid evolution with quality
- 💡 Potential for vision-enabled model

**What reviewers complain about**

- 🐛 Inability to answer basic questions
- 🔒 Privacy concerns with data processing
- 🐛 Inconsistent responses
- 🐛 Frequent sign-outs
- 🐛 Dark mode issues

**Reported bugs**

- Slow sign-in page
- Lack of real-time data access

**Requested features**

- Dynamic Type support for adjustable font size
- Secure access to Proton Drive files
- Ghost mode to ensure no chat history is saved
- Intuitive history clearing option
- App mode


### RTMP Server Pro

[App page](https://appshunter.io/ios/app/rtmp-server-pro/id6766919102)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lumo AI by Proton free?

Lumo AI by Proton is free to download, with in-app purchases available.

### Is RTMP Server Pro free?

RTMP Server Pro costs $9.99, with no in-app purchases.

### Do Lumo AI by Proton or RTMP Server Pro have ads?

Neither Lumo AI by Proton nor RTMP Server Pro shows ads.

### Which is updated more often, Lumo AI by Proton or RTMP Server Pro?

Lumo AI by Proton ships an update every 11 days, and RTMP Server Pro fortnightly. Most recently, Lumo AI by Proton was updated on October 30, 2026 and RTMP Server Pro on October 28, 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.*