BUSY vs Chronos One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BUSY
Enhance your productivity by blocking distracting apps and muting notifications. This tool offers customizable focus sessions, including Pomodoro-style workflows, and provides insights into your distraction attempts to help you improve focus.
- Customizable focus sessions (timer, Pomodoro, no time limit)
- Distraction blocking (apps, notifications)
- Accountability features (no skipping sessions)
- Distraction attempt tracking
- Apple Watch integration
- Customizable timer themes
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BUSY — Focus Timer & Distraction Blocker Stay focused. Get more done. Block distracting apps and notifications while adding structure to your day. Choose short focus sessions with regular breaks or switch to deep focus mode. Work without interruptions on iPhone, Apple Watch, and Mac. FEATURES: - Instant Focus. Start focusing in one tap. Choose Pomodoro-style sessions with breaks or work without time limits. - BUSY Bar Сontrol. Connect and manage your BUSY Bar from your phone. Start focus sessions, block distractions, update firmware, connect to Wi-Fi, and more. - Music Themes. Choose visual themes with music designed to support deep, focused work. - Block Distractions. Automatically block distracting apps and mute notifications so you stay in control. - Track Your Attempts. See how often you try to open blocked apps and build stronger focus habits. - Structured Focus Sessions. Stay consistent with focus intervals designed to improve productivity. - Apple Watch & Mac Support. Start, stop, or manage sessions from your Apple Watch or Mac. Everything syncs instantly. BUSY helps you stay focused, reduce distractions, and build better work habits — across all your devices.
Chronos One
Effortlessly track your work hours, manage breaks, and generate professional invoices. This app helps freelancers and professionals organize their time and get paid accurately. Customize employer and payment details for seamless billing.
- Accurate time tracking with punch in/out
- Smart break management
- Seamless session editing
- Professional PDF invoicing
- Customizable employer profiles
- Easy date range selection
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With Chronos, you can: • Accurately Track Your Time: Punch in and out effortlessly with our intuitive Punch Card feature. Whether you work in short bursts or long sessions, Chronos accurately calculates your net working time—even accounting for your break durations—so you never miss a minute. • Manage Breaks with Ease: Our smart break management automatically computes and deducts break durations from your working hours. Plus, if you work just a few seconds, our “Start From One Hour” setting ensures you’re always billed for a full hour when required. • Seamless Session Editing: Edit your events quickly with our dedicated Event Details and Edit Event pages. Update start and end times, modify break durations, add notes, and tag your sessions—all with a few taps. • Professional Invoicing: Generate professional, customizable invoices in PDF format. Chronos pulls in your employer details and bank information to create a polished invoice that’s ready to print or share with your clients. • Easy Date Range Selection: With an interactive calendar and simple date range picker, filter and review all your work sessions in one glance. Generate invoices for specific periods and keep your records organized effortlessly. • Customizable Employer & Bank Profiles: Manage multiple employer profiles and bank/payment information. Choose which details to include on your invoices and switch between profiles seamlessly. • Rewarded Ads for Extra Perks: Enjoy rewarded ads that help support the app while providing you with bonus features. Watch an ad when needed and keep your workflow uninterrupted. • Smart Settings & Integrations: Leverage integrated settings for a personalized experience, including customizable invoice options, rate management, and much more—all powered by Flutter and Google Mobile Ads. Experience the power of Chronos—designed for freelancers, professionals, and businesses alike. Track, manage, and invoice your time with precision and ease. Download Chronos today and transform the way you work and get paid!
Screenshots
Verdict
The clearest difference is rating: Chronos One at 5.0 against BUSY's 4.0. Chronos One also leads on update cadence (daily vs fortnightly) and iOS requirement (12.0 vs 18.0). BUSY's advantage is ratings volume (12 vs 1). On price, ads, in-app purchases and monetization model 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.
Chronos One holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: BUSY has 12 ratings behind it against 1, so its average is the more settled of the two.
BUSY ships an update fortnightly, Chronos One daily. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.
| Parameter | BUSY | Chronos One |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (12 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 58.3% of reviews | — |
| Number of ratings | 12 — better | 1 |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, Mac, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Flipper - FZCO | Hermella Abay |
Customer experience
BUSY
Chronos One
In-app purchases
BUSY
No in-app purchases
Chronos One
No in-app purchases









