Simple Focus Timer vs Chronos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Focus Timer
Enhance your concentration with a blend of soothing jazz and calming rain sounds. This app creates a tranquil atmosphere perfect for deep work, studying, or relaxation. It functions entirely offline, making it ideal for any environment.
- Ambient jazz and rain sounds
- Offline functionality
- Deep work sessions
- Study and work aid
- Relaxing atmosphere
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Find your flow with Jazzy Timer. Jazzy Timer was created to be the perfect focus companion for your iPhone or iPad. Designed for deep work sessions, it blends smooth café jazz with the calming sound of rain and distant thunder, creating an atmosphere that keeps you productive and relaxed. No Wi-Fi? No problem. Jazzy Timer works entirely offline, so you can stay focused anywhere — even on a plane. Whether you’re studying, working, or just want a cozy moment of calm, Jazzy Timer turns your iOS device into the ultimate focus space. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Chronos
Enhance your concentration by blocking distracting apps and immersing yourself in calming music. Track your focus sessions and build better habits for deep work.
- Block distracting apps
- Curated lofi and ambient sounds
- Track focus streaks
- Customizable focus sessions
- Offline music playback
- App blocking via Family Controls
- Home screen widgets and Siri Shortcuts
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Your phone should help you focus, not distract you. Chronos blocks addictive apps, plays calming lofi beats, and tracks your progress - turning screen time into deep work. Whether you're studying for exams, working from home, or creating your next project, Chronos helps you stay in the zone. KEY BENEFITS: - Block distracting apps during focus sessions - Immerse yourself in curated lofi and ambient sounds - Track your focus streaks and build better habits - Works seamlessly with iOS widgets and Siri FEATURES: Powerful Focus Timers Create custom focus sessions from 5 minutes to 3 hours. Use focus cycles with automatic breaks, or design your own workflow. Strict Mode locks you into your session for maximum commitment. Curated Focus Music Choose from a library of lofi beats, ambient soundscapes, rain sounds, fireplace crackling, and more. Download tracks for offline use and let the sounds enhance your concentration. Smart App Blocking Powered by Apple's Family Controls, Chronos blocks distracting apps only during active focus sessions. Customize your block screen with motivational quotes or focus tips. Your data stays on your device. Beautiful Analytics Track your daily, weekly, and monthly focus time. View contribution streaks, session history, and completion rates. Understand your productivity patterns and improve over time. Widgets & Shortcuts Start focus sessions directly from your Home Screen with widgets. Use Siri Shortcuts for hands-free control. Live Activities keep your timer visible during sessions. PERFECT FOR: - Students preparing for exams - Remote workers needing deep focus - Writers and creatives seeking flow states - Anyone looking to reduce screen time Privacy Policy: https://trilliwon.com/apps/privacy-policy Terms of Use: https://trilliwon.com/apps/terms-and-conditions/
Screenshots
Verdict
The clearest difference is in-app purchases: Simple Focus Timer at none against Chronos's 4. Simple Focus Timer also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 80%). Chronos's advantage is ratings volume (9 vs 1). On price, ads, device support and iOS requirement 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. Chronos sells 4 in-app purchases, starting at $2.99 per month. Simple Focus Timer asks for nothing beyond the download.
Simple Focus Timer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Chronos has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Simple Focus Timer's written reviews are positive against 80% of Chronos's.
Simple Focus Timer ships an update every 3 days, Chronos every 6 days. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.
| Parameter | Simple Focus Timer | Chronos |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (9 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 1 | 9 — better |
| Update frequency | Every 3 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 17 — better |
| Further details — not scored | ||
| Size | 214 MB | 249 MB |
| Age rating | 4+ | 4+ |
| Developer | Above AS | TRILLIWON, Co. |
Customer experience
Simple Focus Timer
Chronos
In-app purchases
Simple Focus Timer
No in-app purchases
Chronos
- Chronos Pro Monthly$2.991 Month
- Chronos Premium (Annual - Discount)$7.991 Year
- Chronos Pro Yearly3 Days trial$9.991 Year
- Chronos Pro Lifetime$0.99
