Sunflower vs Red PDF Reader
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Sunflower
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Sunflower Pomodoro Focus is a timer for students, professionals, and anyone seeking distraction-free focus. Kickstart deep-work sessions with a simple, customizable timer and soothing focus sounds. No subscriptions or in-app purchases, ever! Sunflower provides a calm, supportive environment with an ADHD-friendly design. Its clean, minimal interface and dark mode help reduce glare and keep distractions at bay. Build better focus habits with Sunflower, a clean and calming Pomodoro focus app designed for deep work, studying, and everyday productivity, without distractions or hidden costs. Sunflower uses the Pomodoro technique to help you break work into manageable focus sessions, followed by restorative breaks. Thoughtfully designed for students, professionals, and ADHD-friendly routines, Sunflower helps you stay focused while avoiding burnout. - Customizable Pomodoro Timer: Set custom work and break durations with an easy-swipe timer. - Focus Sessions & Streaks: Build momentum with consecutive Pomodoro sessions. Set daily focus goals and watch your streak grow. - Break Reminders: Gentle alerts prompt you to take short and long breaks, keeping focus sustainable and preventing burnout. - Stats & Tracking: See your time tracked with insightful charts and daily/weekly stats. - Ambient Focus Sounds: Choose calming background sounds (nature, white noise, etc.) to help maintain concentration. - Offline Mode: No internet required, use Sunflower anywhere, anytime, without distractions. - Dark Mode: Eye-friendly interface with a dark theme reduces glare and eye strain. Sunflowerβs science-based design motivates you to stay focused and get things done, while ensuring you work with time and not against it, to avoid burnout.
Red PDF Reader
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Red PDF Reader A clean, distraction-free PDF reader designed for people who actually read. Open any PDF from your Files app and pick up exactly where you left off β Red PDF Reader remembers your last page automatically and syncs it across all your devices via iCloud. Switch from your iPhone to your iPad and continue reading without missing a beat. Features: Continuous reading β smooth, vertical scroll layout optimized for long documents Auto-resume β your last page is saved automatically and synced across devices Recent files β quickly jump back to any of your last 50 documents Page thumbnails β visual panel for fast navigation through any document Go to page β jump directly to any page with a single tap Page indicator β always know where you are with a subtle page counter overlay No sign-in required. No subscriptions. No ads. Just your PDFs, exactly where you left them.
Screenshots
Verdict
The clearest difference is update cadence: Red PDF Reader at every 3 months against Sunflower's every 11 months. Sunflower's advantage is iOS requirement (13.0 vs 18). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sunflower ships an update every 11 months, Red PDF Reader every 3 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.
| Parameter | Sunflower | Red PDF Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 3 months β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.0 β better | 18 |
| Further details β not scored | ||
| Size | 44 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Firefly Tech | Khurshed Gulov |
In-app purchases
Sunflower
No in-app purchases
Red PDF Reader
No in-app purchases









