Comparison

Atten vs Availability Sync

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

Head to head
About

Atten

This app helps you regain control of your digital time by blocking distracting apps and websites. Set customizable limits and schedules to improve focus, boost productivity, and build healthier screen time habits.

Highlights
  • App and website blocking
  • Customizable limits and schedules
  • Strict mode for unbreakable focus
  • Multi-device sync
  • Parental controls
  • Usage and progress tracking
Features
Read full description

9 out of 10 users reduce unwanted screen time in the first week Users save an average of 90+ minutes daily Conquer distractions, master your focus, and build healthier digital habits. Whether you need to ace your exams, achieve deep work, or simply be more present, Atten is your all-in-one tool to take back control of your time. Block Apps, Websites & Social Media to Reclaim Your Time! Atten helps you block distracting apps and websites, manage your screen time, and build a healthier relationship with your phone. Join thousands of users who are reducing distractions and boosting their productivity in just a few taps. Why Atten? ▶ App & Website Blocker: Instantly block any app or website that pulls you away from your goals. Your perfect social media blocker, distraction blocker, and dopamine detox tool. ▶ Customizable Limits & Schedules: Set daily app timers or schedule blocks for specific times. Automatically enforce focus during work, study, or bedtime routines. ▶ Unbreakable Strict Mode: Stay committed to your goals by making your schedules and limits impossible to bypass. ▶ Seamless Multi-Device Sync: Sync all your blocks, limits, and schedules across your iPhone, iPad, and Mac. Maintain focus and consistency, no matter which device you're using. ▶ Powerful Parental Controls: Easily set up Atten on your child's device. Block apps, limit screen time, and lock the settings with a passcode to ensure they stay protected and focused. ▶ Usage & Progress Tracking: Monitor your daily, weekly, and monthly app usage with our screen time tracker. Visualize your progress and stay motivated on your digital wellbeing journey. ▶ Home & Lock Screen Widgets: Activate blocks or view timers instantly from your Home Screen. Staying on track has never been easier. For Students: A Distraction-Free Study Zone Block distracting apps and sites to create the optimal study environment. Stop procrastination, improve concentration, and boost your academic performance. For Professionals: Maximize Your Productivity Eliminate digital noise during work hours. Protect your focus, get more done, and reclaim valuable time lost to mindless scrolling and notifications. For Everyone: Build Healthier Habits Atten is more than a blocker—it's a tool for digital wellbeing. Use it to: Promote better sleep by reducing evening screen time. Be more present with friends and family. Support your mental health by creating space for mindfulness and relaxation. Ready to take control? Download Atten today and start your journey to a more focused and productive life! Terms of Service: http://www.atten.app/terms Privacy Policy: http://www.atten.app/privacy-policy

About

Availability Sync

Easily share your free time slots for meetings and appointments. This app integrates with your existing calendars and allows for customized sharing messages and professional calendar invites. Streamline your scheduling process and avoid back-and-forth communication.

Highlights
  • Instant availability sharing
  • Calendar integration (iOS, Google, Outlook)
  • Customizable sharing messages
  • Professional calendar invitations
  • Multiple time slot selection
  • Time zone management
Features
Read full description

Availability Sync: Share Your Availability Instantly Transform how you coordinate schedules and share your availability. Whether you're planning meetings, managing appointments, or coordinating with others, share your free time slots in seconds. FEATURES: Smart Sharing - Share available time slots instantly via text or calendar invites - Customize sharing messages for different recipients - Generate professional calendar invitations - Create personalized event titles and descriptions - Share across any messaging platform - Select multiple time slots in one go Calendar Integration - Sync with iOS, Google, and Outlook calendars - View all your calendars in one unified interface - Real-time updates as your schedule changes - Instant conflict detection Availability Management - Select and share multiple time slots at once - Customize work week and weekend schedules - Set preferred meeting durations - Define working hours for different days - Manage time zones effortlessly Time Slot Controls - Choose between 30-minute to 2-hour slots - Select entire days or specific times - Quick bulk selection options - Filter by morning, afternoon, or evening - View calendar conflicts instantly Professional Customization - Personalize event titles and descriptions - Create custom sharing messages - Choose between text or calendar format - Adjust time zone displays for recipients - Flexible date and time formats Perfect for: - Professionals sharing meeting availability - Teams coordinating across time zones - Freelancers managing client appointments - Anyone tired of back-and-forth scheduling emails Additional Features: - Support for light and dark modes - Multiple visual themes - Quick event creation - Privacy-focused design - Regular updates and improvements Download Availability Sync today and transform how you share your availability. No more endless email chains or scheduling confusion - just simple, efficient calendar sharing. Take control of your schedule sharing with Availability Sync.

Screenshots

Atten4 screens
Availability Sync4 screens

Verdict

The call

The clearest difference is in-app purchases: Availability Sync at none against Atten's 7. Atten's advantage is review sentiment (90% vs 67%) and rating (4.7 vs 4.4). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Atten sells 5 in-app purchases, starting at $2.99 per 7 days. Availability Sync asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Atten holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Atten has 139 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 90% of Atten's written reviews are positive against 67% of Availability Sync's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard5 real differences · 5 level
Atten versus Availability Sync: the parameters behind the verdict, then further details
ParameterAttenAvailability Sync
PriceFreeFree
Rating4.7 (139 ratings) — better4.4 (5 ratings)
Positive reviews90.3% of reviews — better66.7% of reviews
Number of ratings139 — better5
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS17.0 — better17.5
Further details — not scored
Size34 MB10 MB
Age rating4+4+
DeveloperThird techDavid Fuerst

Customer experience

Atten

All ratings139 ratings
Positive95.0%
Neutral1.4%
Negative3.6%
Written reviews62 reviews
Positive90.3%
Neutral4.8%
Negative4.8%

Availability Sync

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Bugs and requests

Atten

Reported bugs

7 issues
  • App crashes when selecting websites to block
  • Website blocking crashes and is unreliable
  • Cannot modify or delete permanently active sessions without reinstalling
  • Unselected apps still get blocked despite deselection
  • Instagram blocking not working while other social apps block correctly
Show 2 more
  • App crashes during setup process
  • Occasional freezing and lag requiring full app restart

Requested features

12 requests
  • Fully customizable popup messages without fixed text
  • Option to add 'Don't show this again' button to rating prompts
  • Less frequent rating/feedback popups (every 6-12 months)
  • Clone sessions or create reusable app lists
  • Move break button to main menu for easier access
Show 7 more
  • Limit break duration to prevent abuse
  • MacOS version of the app
  • More iOS shortcuts and widgets
  • Chinese language support (Traditional and Simplified)
  • Additional language translations
  • Ability to edit or delete active sessions
  • Action button integration for quick focus mode activation

Availability Sync

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Atten

Subscriptions3
  • Weekly Plan$2.997 Days
  • Monthly Plan3 Days trial2 variants$2.991 Month
  • Yearly Plan3 Days trial2 variants$19.991 Year
One-time2
  • Atten Pro | Lifetime$39.99
  • Atten Pro | Lifetime (Family)$44.99
None

Availability Sync

No in-app purchases

Questions

Is Atten free?
Atten is free to download, with in-app purchases available.
Is Availability Sync free?
Availability Sync is free to download, with no in-app purchases.
Which has better reviews, Atten or Availability Sync?
Atten is rated higher. Atten averages 4.7 out of 5 from 139 ratings, while Availability Sync averages 4.4 from 5 ratings.
Do Atten or Availability Sync have ads?
Neither Atten nor Availability Sync shows ads.
Which is updated more often, Atten or Availability Sync?
Atten ships an update weekly, and Availability Sync weekly. Most recently, Atten was updated on October 16, 2026 and Availability Sync on October 14, 2026.

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