Frokus vs ChromaCal
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Frokus
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Discover Frokus, the minimalistic and customizable focus timer app designed to help you stay productive and focused. Built on the Pomodoro technique, Frokus makes managing your time effortless, allowing you to work in short, effective bursts. Key Features: - Customizable Timer: Set work and break intervals to fit your unique rhythm. Adjust the timer duration to match your focus and energy levels. - Notifications: Receive gentle reminders when it's time to start working or take a break, helping you stay on track throughout the day. - Sound Alerts: Choose from a selection of sounds to signal the start and end of each focus session, keeping you alert without being intrusive. - Minimalist Design: Keep distractions to a minimum with Frokus' clean and intuitive interface, focused solely on helping you achieve your goals. - Completely Free: Enjoy all features without any costs or subscriptions. Stay focused, boost your productivity, and make the most out of your time with Frokus.
ChromaCal
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ChromaCal turns your calendar into a living heatmap. Color-code your days by event type โ workouts, reading, rest, deep work, family โ and watch the rhythm of your life emerge, one square at a time. FEATURES โข Heatmap Calendar โ each day fills with the colors of what happened that day โข Color-Coded Event Types โ define your own categories and assign each a color โข Year View โ twelve months on one screen, scroll back through earlier years โข Stats & Streaks โ per-type frequencies, longest streaks, current runs โข Four Palettes โ Vivid, Earthy, Pastel, Sunset; light and dark mode โข Home Screen Widget โ pin your current month in small or medium size โข iCloud Sync โ private, end-to-end, through your own Apple ID โข CSV / JSON Export โ your data is yours, no lock-in PRICING ChromaCal is free to use. ChromaCal Pro unlocks year view, stats & streaks, the widget, the expanded palette, and CSV/JSON export for a one-time $9.99 โ no subscription, ever. PRIVACY ChromaCal stores your calendar locally on your device with optional iCloud sync through your own Apple ID. No third-party analytics. No advertising. No tracking. No data brokers. LEGAL Terms of Use (EULA): https://chromacal.vibe2viable.com/terms Privacy Policy: https://chromacal.vibe2viable.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Frokus at none against ChromaCal's 1. ChromaCal's advantage is update cadence (every 6 days vs every 9 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. ChromaCal sells 1 one-off in-app purchase. Frokus asks for nothing beyond the download.
Frokus ships an update every 9 months, ChromaCal every 6 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Frokus | ChromaCal |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 6 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, iPad โ better |
| Requires iOS | 17.0 โ better | 18.0 |
| Further details โ not scored | ||
| Size | 1 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Georgios Avenidis | Vibe2Viable LLC |
In-app purchases
Frokus
No in-app purchases
ChromaCal
- ChromaCal Pro$9.99









