# Standard Notes vs Lumo AI by Proton

The clearest difference is rating: Standard Notes at 4.7 against Lumo AI by Proton's 3.8. Standard Notes also leads on review sentiment (64% vs 46%) and ratings volume (3.7K vs 525). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Standard Notes sells 1 in-app purchase, starting at $119.99 per year and Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Standard Notes holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Standard Notes has 3.7K ratings behind it against 525, so its average is the more settled of the two. Written reviews point the same way: 64% of Standard Notes's written reviews are positive against 46% of Lumo AI by Proton's.

Standard Notes ships an update every 2 weeks, Lumo AI by Proton every 11 days. Both last shipped on September 25, 2026.

## The numbers

| Metric | Standard Notes | Lumo AI by Proton |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/standard-notes/id1285392450/reviews)** | [3.8 (525 ratings)](https://appshunter.io/ios/app/lumo-ai-by-proton/id6746714949/reviews) |
| Number of ratings | **3.7K** | 525 |
| Positive reviews | **63.5% of reviews** | 45.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 96 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Standard Notes Ltd.](https://appshunter.io/developer/586976285) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Standard Notes

[App page](https://appshunter.io/ios/app/standard-notes/id1285392450)

Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

**Highlights:** End-to-end encryption, Cross-device syncing, Offline access, Passcode and biometric lock, Tagging system, Open-source code, Optional productivity editors and themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Plan | $119.99 | per year |

**What reviewers like**

- 🚀 Fast and reliable sync
- 🔒 Excellent privacy and security
- 👍 Simple and intuitive interface
- 📚 Great for organizing notes
- 💻 Cross-platform availability

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔑 Frustrating login/authentication issues
- 💰 Expensive premium subscription
- 📱 Limited features in free version
- 🖍️ Lack of formatting options

**Reported bugs**

- Notes disappearing or getting deleted unexpectedly
- Sync issues between devices
- Keyboard and UI bugs on mobile
- Compatibility problems with older iOS versions

**Requested features**

- Add support for images and attachments
- Implement a more robust search function
- Introduce a dark mode option
- Allow for better note organization (folders, nested tags)
- Add undo/redo functionality


### 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


## Frequently asked questions

### Is Standard Notes free?

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

### Is Lumo AI by Proton free?

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

### Which has better reviews, Standard Notes or Lumo AI by Proton?

Standard Notes is rated higher. Standard Notes averages 4.7 out of 5 from 3.7K ratings, while Lumo AI by Proton averages 3.8 from 525 ratings.

### Do Standard Notes or Lumo AI by Proton have ads?

Neither Standard Notes nor Lumo AI by Proton shows ads.

### Which is updated more often, Standard Notes or Lumo AI by Proton?

Standard Notes ships an update every 2 weeks, and Lumo AI by Proton every 11 days. Most recently, Standard Notes was updated on September 25, 2026 and Lumo AI by Proton on September 25, 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.*