Availability Sync is a productivity tool for iOS that allows users to share calendar availability via text or invites.
Product velocity
Dormant
Daily rank 🇺🇸
—
Productivity
Sentiment
4.4
5 reviews
Nemesis
Fragmented field
The App DNA
What makes this app unique?
Users hire this app to reduce the back-and-forth of scheduling meetings, but the current lack of time zone support prevents it from serving its core job-to-be-done for global teams.
For Professionals, freelancers, and teams coordinating meetings across time zones.
What does it look like?
Key features
Enables selection of multiple time slots or entire days in a single interface interaction.
Syncs with iOS, Google, and Outlook calendars to provide a unified view and conflict detection.
Generates shareable text or calendar invites for selected time slots across messaging platforms.
How much does it cost?
The app is currently listed as free with no visible subscription or IAP gates.
Velocity
Dormant developmentopaqueShow more...
Availability Sync has been inactive for 606 days, falling well outside the threshold for active development. The last recorded update was a minor release focused on general improvements. There is no evidence of ongoing maintenance, feature development, or live operations. The project appears to be in a zombie state.
Who built it?
User Sentiment
What do users think recently?
The recent review mood reads frustrated.
How are ratings & reviews evolving?
What users say, by theme
- Limited time zone selection within the settings menu prevents users from accurately configuring their local time
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisCompetition
Competitive landscape for Availability Sync
How's the Productivity market?
Availability Sync occupies a niche productivity space with no active monetization. The 20-month update silence positions it as a legacy tool rather than a competitive scheduling solution.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Availability Sync
Where is it heading?
The scheduling market is consolidating around tools with active development and global time zone support. Availability Sync's failure to address basic configuration bugs while remaining silent for 20 months leaves it exposed to churn as users migrate to more reliable alternatives.
- The 20-month update silence indicates the product is in maintenance mode, which prevents it from competing with active scheduling tools.
- Reported time zone configuration failures directly block the app's core value proposition, leading to negative sentiment and low user trust.
The SWOT
- Unified interface for iOS, Google, and Outlook calendars reduces cross-platform friction
- Implementing comprehensive time zone support would resolve the primary user complaint
Next best moves
Audit time zone settings logic because user complaints flag it as the primary barrier to functionality → restore core utility
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of monetization is not a strength…
Read the full takeSince the last report: The analysis shifted from describing the app as a stagnant utility to identifying it as a high-risk, abandoned product that requires immediate stability signaling to retain users.
Bottom line
Availability Sync provides a useful unified calendar view, but the lack of active maintenance and critical time zone bugs limit its utility for professional teams, so the PM must prioritize basic functionality fixes to prevent total user abandonment.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated