Accelerate for Safari is a browser extension for iOS that enables custom playback speed and keyboard controls for HTML5 web video.
The App DNA
What makes this app unique?
Users install the extension to bypass native platform speed caps and mouse-heavy interfaces during educational or lecture-based viewing sessions.
For Safari users who require granular control over web-based video playback speed and interface shortcuts.
What does it look like?
Key features
Adjusts playback speed for browser-based video players on platforms like YouTube, Netflix, and Twitch.
Maps media controls including play, pause, mute, and Picture-in-Picture to user-defined keys.
How much does it cost?
The extension is distributed as a free, open-source tool with no monetization gates.
Velocity
Dormant developmentopaqueShow more...
Accelerate for Safari has entered a zombie state, with no updates released in the last 213 days. The development activity is effectively stalled, as the last release consisted only of a minor icon update. There is no evidence of ongoing feature development or maintenance cycles.
Who built it?
User Sentiment
What do users think recently?
Recent user voice shows an excited sentiment. Users appreciate video playback speed control beyond the default two times limit provides significant utility for power users and customizable keyboard shortcuts and adjustment intervals allow users to tailor the interface to their specific workflow.
How are ratings & reviews evolving?
What users say, by theme
- Video playback speed control beyond the default two times limit provides significant utility for power users
- Customizable keyboard shortcuts and adjustment intervals allow users to tailor the interface to their specific workflow
- Performance regressions and unresponsiveness following the latest update disrupt the core video playback experience
49 of 49 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Accelerate for Safari
How's the Entertainment market?
Accelerate for Safari maintains a niche presence as a free, open-source utility within the Entertainment category. The lack of recent updates (7 months) contrasts with the active feature requirements of power users, signaling a maintenance-only posture.
The rivals identified
The Analyst's Read
Key takeaways for Accelerate for Safari
Where is it heading?
The browser-extension market for video playback is consolidating around tools with frequent feature updates and universal platform support. Accelerate for Safari's stalled development cadence and recent performance regressions leave it exposed to churn, as users migrate to more reliable alternatives that address modern streaming platform requirements.
- UI regressions in the latest build (unclickable elements, playback failure) erode the daily active habit, which compounds the rating drag already visible.
- The seven-month development silence indicates a maintenance-only posture, leaving the extension exposed to more active rivals that offer universal streaming support.
The SWOT
- Open-source distribution model lowers the barrier to entry for privacy-conscious users
- Implementing keyboard-controlled subtitle management would address the top-requested feature gap
Next best moves
Rebuild UI responsiveness in the latest build because users report unclickable elements → stabilize the core playback experience
+ 1 more prioritized moveThe counter-intuitive read
The seven-month development silence is not necessarily a sign of abandonment…
Read the full takeSince the last report: The extension remains in a maintenance-only state with no functional changes, but the competitive outlook has shifted to emphasize its vulnerability against more active, frequently updated rivals.
Bottom line
Performance regressions in the latest build disrupt core playback, and the seven-month development silence signals a maintenance-only posture. Addressing the unresponsiveness reported by users would stabilize the current base, but the lack of active feature investment makes the extension vulnerable to more agile rivals.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Accelerate for Safari free to use?
Does Accelerate for Safari work on all streaming sites?
Why are my custom speed settings not saving?
Sources
Report last updated