Katmer.im vs Lucent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Katmer.im
Organize academic and daily tasks with smart calendar views and secure, encrypted notes. Enhance focus with a built-in Pomodoro timer and access tasks instantly via a home screen widget. Optimized for mobile academic workflows.
- Task management with calendar views
- End-to-end encrypted note-taking
- Integrated Pomodoro timer
- Cloud sync with web account
- Home screen widget for quick access
- Optimized for academic workflows
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Task Management - Organize your academic and daily tasks with smart calendar views Encrypted Notes - Secure note-taking with end-to-end encryption for privacy Pomodoro Timer - Focus on your work with structured productivity sessions Cloud Sync - Seamlessly sync with your katmer.im web account Home Screen Widget - Quick access to today's tasks right from your home screen Katmer.im - iOS 26 Ready: Advanced Pomodoro & Habit Tracking DESIGNED FOR ACADEMICS: This mobile app includes core productivity features from the full katmer.im platform, specifically optimized for mobile workflows and academic productivity. PRIVACY AND SECURITY: Your notes and tasks are encrypted before leaving your device. Your academic data stays completely private and secure with industry-standard encryption. For the complete katmer.im experience with additional academic research tools, visit katmer.im on the web.
Lucent
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Lucent – Pomodoro Focus Timer helps you stay productive and focused throughout the day. Designed with simplicity and beauty in mind, Lucent brings the power of the Pomodoro Technique to your phone — helping you manage time effectively, avoid burnout, and achieve your goals.
Screenshots
Verdict
The clearest difference is device support: Lucent at 3 against Katmer.im's 1. Lucent also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 10 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Katmer.im | Lucent |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 10 days | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Arguman Yapay Zeka Teknolojileri Anonim Sirketi | Nguyen Trung Kien |
In-app purchases
Katmer.im
No in-app purchases
Lucent
No in-app purchases
