# Lumo AI by Proton vs AxCrypt Encryption

The clearest difference is rating: AxCrypt Encryption at 4.8 against Lumo AI by Proton's 3.9. AxCrypt Encryption also leads on update cadence (every 4 days vs every 11 days) and device support (4 vs 2). Lumo AI by Proton's advantage is ratings volume (553 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month and AxCrypt Encryption sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

AxCrypt Encryption holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Lumo AI by Proton has 553 ratings behind it against 5, so its average is the more settled of the two.

Lumo AI by Proton ships an update every 11 days, AxCrypt Encryption every 4 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Lumo AI by Proton | AxCrypt Encryption |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (553 ratings)](https://appshunter.io/ios/app/lumo-ai-by-proton/id6746714949/reviews) | **[4.8 (5 ratings)](https://appshunter.io/ios/app/axcrypt-encryption/id6746769422/reviews)** |
| Number of ratings | **553** | 5 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 103 MB | 224 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [AxCrypt AB](https://appshunter.io/developer/1157695908) |

## 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


### AxCrypt Encryption

[App page](https://appshunter.io/ios/app/axcrypt-encryption/id6746769422)

Securely encrypt and decrypt sensitive files, passwords, and personal data with military-grade AES-256 encryption. Access and share protected content across cloud services and devices, with a built-in password manager for added peace of mind.

**Highlights:** AES-256 file encryption, Cloud storage integration, Secure file sharing, Built-in password manager, Cross-platform access, User-friendly interface

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AxCrypt Premium Monthly | $5.99 | per month |
| AxCrypt Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is Lumo AI by Proton free?

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

### Is AxCrypt Encryption free?

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

### Which has better reviews, Lumo AI by Proton or AxCrypt Encryption?

AxCrypt Encryption is rated higher. Lumo AI by Proton averages 3.9 out of 5 from 553 ratings, while AxCrypt Encryption averages 4.8 from 5 ratings.

### Do Lumo AI by Proton or AxCrypt Encryption have ads?

Neither Lumo AI by Proton nor AxCrypt Encryption shows ads.

### Which is updated more often, Lumo AI by Proton or AxCrypt Encryption?

Lumo AI by Proton ships an update every 11 days, and AxCrypt Encryption every 4 days. Most recently, Lumo AI by Proton was updated on October 25, 2026 and AxCrypt Encryption 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.*