# Projectracker vs Lumo AI by Proton

The clearest difference is price: Lumo AI by Proton at Free against Projectracker's $1.99. Lumo AI by Proton also leads on rating (3.9 vs 1.0) and ratings volume (557 vs 1). Projectracker's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.6). On ads and device support there is nothing between them.

Lumo AI by Proton is free to download; Projectracker costs $1.99 up front. Lumo AI by Proton sells 2 in-app purchases, starting at $12.99 per month. Projectracker asks for nothing beyond the download.

Lumo AI by Proton holds the better App Store score, 3.9 against 1.0. That said, the two scores are not equally well evidenced: Lumo AI by Proton has 557 ratings behind it against 1, so its average is the more settled of the two.

Projectracker ships an update every 3 weeks, Lumo AI by Proton every 11 days. The most recent releases landed on June 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Projectracker | Lumo AI by Proton |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/projectracker/id1564086439/reviews) | **[3.9 (557 ratings)](https://appshunter.io/ios/app/lumo-ai-by-proton/id6746714949/reviews)** |
| Number of ratings | 1 | **557** |
| Positive reviews | — | 45.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 103 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pit Schneider](https://appshunter.io/developer/545599438) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Projectracker

[App page](https://appshunter.io/ios/app/projectracker/id1564086439)

This app allows users to track time spent on individual projects directly from their wrist. It offers a simple, private design with statistics for daily, weekly, monthly, yearly, and overall project time. Users can export their working hours and use the app independently of their phone.

**Highlights:** Track time on individual projects, Simple and focused design, Guaranteed privacy, Project statistics (daily, weekly, monthly, yearly), Export working hours, Phone independent operation

**In-app purchases:** none


### 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 Projectracker free?

Projectracker costs $1.99, with no in-app purchases.

### Is Lumo AI by Proton free?

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

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

Lumo AI by Proton is rated higher. Projectracker averages 1.0 out of 5 from 1 ratings, while Lumo AI by Proton averages 3.9 from 557 ratings.

### Do Projectracker or Lumo AI by Proton have ads?

Neither Projectracker nor Lumo AI by Proton shows ads.

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

Projectracker ships an update every 3 weeks, and Lumo AI by Proton every 11 days. Most recently, Projectracker was updated on June 22, 2026 and Lumo AI by Proton 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.*