Deep Flow vs Grayscale
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Deep Flow
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DeepFlow helps you block distractions and understand your digital habits with ethereal simplicity. In a world of endless notifications and infinite scrolls, your attention is constantly under attack. DeepFlow gives you the power to fight backβwithout the complexity of other apps or the burden of expensive subscriptions. COMPLETELY FREE Unlike other screen time apps that charge $100+ per year, DeepFlow is 100% free. No subscriptions. No premium tiers. No hidden costs. Just powerful tools to help you focus. PRIVACY FIRST Your data stays on YOUR device. DeepFlow never collects or transmits personal information to external servers. Your digital habits are nobody's business but yours. POWERFUL APP BLOCKING Toggle focus mode to silence noisy apps instantly. Create custom block lists and regain your deep work state without interruptions. Whether you're studying, working, or spending time with family, always stay present. BEAUTIFUL ANALYTICS Visualize your daily digital habits with stunning, interactive charts. Understand where your time goes with weekly overviews, category breakdowns, and productivity metrics that help you see patterns and make meaningful changes. MINDFUL BREAKS DeepFlow cares about your wellbeing. Scheduled breathing exercises and eye-strain relief reminders keep you healthy while you work. Take intentional pauses that refresh your mind and body. APP LIMITS Set daily time limits for specific apps or categories. When time is up, the app is gently paused for the day. Build healthier habits without willpower alone. UNDERSTAND YOUR HABITS β’ Weekly Overview: Track progress with visual charts showing daily patterns β’ Category Analysis: See time spent across different app categories β’ Productivity Metrics: Measure focus improvements over time β’ Trend Insights: Spot patterns and celebrate wins PERFECT FOR β’ Students who need to focus during study sessions β’ Professionals minimizing workplace distractions β’ Parents wanting better screen time balance β’ Anyone seeking a healthier relationship with technology β’ Digital minimalists who value simplicity WHY DEEPFLOW? Most screen time apps overwhelm you with features or lock everything behind paywalls. DeepFlow is different. We believe everyone deserves powerful focus tools, beautiful design, and complete privacy, without paying a premium. Download DeepFlow today and rediscover what you can accomplish when you're truly focused. Questions or feedback? We'd love to hear from you: hello@signalappstudio.com
Grayscale
This app helps you focus by converting websites to black and white within Safari. Reduce visual distractions and make your browsing experience calmer by default. It offers simple, private control through a Safari extension.
- Convert websites to grayscale in Safari
- Whitelist domains to keep them in color
- One-tap control via Safari extension
- Lightweight and private design
- Reduces visual noise and stimulation
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Grayscale helps you stay focused by making websites appear in black and white in Safari. Use it to reduce visual noise, make feeds less stimulating, and keep your browsing calmer by default. Features: - Turn websites grayscale in Safari - Keep selected domains in color with a whitelist - One-tap control from the Safari extension - Simple, lightweight, and private Privacy: Grayscale collects absolutely nothing. No tracking, no analytics, no account. Set it once, enable the Safari extension, and browse with less distraction.
Screenshots
Verdict
The clearest difference is price: Deep Flow at Free against Grayscale's $1.99. Grayscale's advantage is device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On update cadence, ads and in-app purchases 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
Deep Flow is free to download; Grayscale costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Deep Flow ships an update monthly, Grayscale fortnightly. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.
| Parameter | Deep Flow | Grayscale |
|---|---|---|
| Price | Free β better | $1.99 |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Monthly | Fortnightly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Paid |
| Devices | iPhone | iPhone, iPad, Mac β better |
| Requires iOS | 26.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 9 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tejeshwar Amirthy | Iliane Zedadra |
In-app purchases
Deep Flow
No in-app purchases
Grayscale
No in-app purchases









