Comparison

Frokus vs ChromaCal

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

Head to head
About

Frokus

Features
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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.

About

ChromaCal

Features
Read full description

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 โ€ข Heatmap Calendar โ€” each day fills with the colors of what happened that day โ€ข Color-Coded Event Types โ€” define your own categories and assign each a color โ€ข Year View โ€” twelve months on one screen, scroll back through earlier years โ€ข Stats & Streaks โ€” per-type frequencies, longest streaks, current runs โ€ข Four Palettes โ€” Vivid, Earthy, Pastel, Sunset; light and dark mode โ€ข Home Screen Widget โ€” pin your current month in small or medium size โ€ข iCloud Sync โ€” private, end-to-end, through your own Apple ID โ€ข 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

Frokus3 screens
ChromaCal4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ChromaCal sells 1 one-off in-app purchase. Frokus asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard2 real differences ยท 4 level
Frokus versus ChromaCal: the parameters behind the verdict, then further details
ParameterFrokusChromaCal
PriceFreeFree
Update frequencyEvery 9 monthsEvery 6 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.0 โ€” better18.0
Further details โ€” not scored
Size1 MB2 MB
Age rating4+4+
DeveloperGeorgios AvenidisVibe2Viable LLC

In-app purchases

None

Frokus

No in-app purchases

1 purchases

ChromaCal

One-time1
  • ChromaCal Pro$9.99

Questions

Is Frokus free?
Frokus is free to download, with no in-app purchases.
Is ChromaCal free?
ChromaCal is free to download, with in-app purchases available.
Do Frokus or ChromaCal have ads?
Neither Frokus nor ChromaCal shows ads.
Which is updated more often, Frokus or ChromaCal?
Frokus ships an update every 9 months, and ChromaCal every 6 days. Most recently, Frokus was updated on November 4, 2026 and ChromaCal on November 5, 2026.

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