Comparison

Projectracker vs Lumo AI by Proton

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Projectracker

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
Read full description

Projectracker has been designed to do one thing and one thing only: Track the time you spend on individual projects, right from your wrist. Ideal for freelancers, home office, or any other activities, Projectracker provides you with: • The most simple and focused design possible • Guaranteed privacy with no data leaving the watch • Stats concerning the current day, week, month, year and the entire project • The ability to export your precise working hours using the messages app • Complete phone independence Usage Info: • Clock has to be running for at least 5 minutes, for the time to be considered • Project statistics page displays hours rounded to the nearest integer Projectracker Privacy Policy: https://pitschneider.me/projectracker

About

Lumo AI by Proton

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
Read full description

Lumo is a zero-access encrypted AI assistant that keeps every conversation private. Your data is never logged, shared, or used to train models. Your chats are yours, and yours alone. Built by Proton, the privacy brand trusted by over 100 million people and the team behind Proton Mail, VPN, Drive, and Pass. THOUGHTFUL HELP FOR ANY TASK Lumo handles everything from quick questions to more complex work. Choose Fast for quick answers or Thinking for multi-step reasoning. FAST, POWERFUL WEB SEARCH Get precise, real-time answers in seconds. Lumo cites live sources so you can verify facts, dig deeper, and stay current on news, events, financial data, and more. CREATE AND REFINE IMAGES AND FILES Work with images and files just by telling Lumo what you need, from generating and editing images to analyzing documents. Connect your Proton Drive account for seamless access to stored files. AI THAT EVOLVES OVER TIME Lumo gets better every time you use it. Memory retains context and preferences across sessions, and you can set tones and styles to get the exact Lumo experience you want. STAY PRODUCTIVE AND ORGANIZED Projects give you dedicated encrypted spaces for tasks that span multiple chats, files, and instructions, while Custom Lumos let you create assistants tailored for specific tasks. Switch between light and dark modes for a more comfortable experience throughout the day. GHOST MODE For conversations where you want maximum privacy, choose Ghost Mode. Chats are instantly deleted once you close them for greater peace of mind. PRIVACY YOU CAN VERIFY Lumo is founded on zero-access encryption with no server-side chat logs, and never uses your data for profit or model training. Like all Proton products, Lumo is built and hosted in Europe and is fully open-source. Lumo helps you stay productive, curious, and informed — without ever compromising your privacy. Start a confidential chat for free today. For more information, visit our website: https://lumo.proton.me/about Terms of service: https://lumo.proton.me/legal/terms Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Our open-source code base: https://github.com/ProtonLumo/ios-lumo

Screenshots

Lumo AI by Proton4 screens

Verdict

The call

The clearest difference is price: Lumo AI by Proton at Free against Projectracker's $1.99. Lumo AI by Proton also leads on rating (3.8 vs 1.0) and ratings volume (525 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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

Lumo AI by Proton holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: Lumo AI by Proton has 525 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Projectracker ships an update every 3 weeks, Lumo AI by Proton every 11 days. The most recent releases landed on June 22, 2026 and September 26, 2026 respectively.

Scorecard7 real differences · 3 level
Projectracker versus Lumo AI by Proton: the parameters behind the verdict, then further details
ParameterProjectrackerLumo AI by Proton
Price$1.99Free — better
Rating1.0 (1 ratings)3.8 (525 ratings) — better
Positive reviews—45.6% of reviews
Number of ratings1525 — better
Update frequencyEvery 3 weeksEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPod, Apple Watch — betteriPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size2 MB96 MB
Age rating4+4+
DeveloperPit SchneiderProton AG

Customer experience

Projectracker

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

Lumo AI by Proton

All ratings525 ratings
Positive66.5%
Neutral11.0%
Negative22.5%
Written reviews540 reviews
Positive45.6%
Neutral19.1%
Negative35.4%

Bugs and requests

Projectracker

Not enough reviews yet to summarise bugs or requests.

Lumo AI by Proton

Reported bugs

2 issues
  • Slow sign-in page
  • Lack of real-time data access

Requested features

5 requests
  • 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

In-app purchases

None

Projectracker

No in-app purchases

2 purchases

Lumo AI by Proton

Subscriptions2
  • Lumo Plus (1 month)$12.991 Month
  • Lumo Plus (12 months)$119.991 Year

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 3.8 from 525 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 September 26, 2026.

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