Sweep is a speaker tuning utility for iOS that uses the Farina ESS method to plot frequency response from a listening position.
The App DNA
What makes this app unique?
It removes the requirement for laptops and external audio interfaces, allowing users to perform quick, untethered checks from their chair.
For Audiophiles and home theater enthusiasts who need to measure and tune speaker frequency response in their listening environment.
What does it look like?
Key features
Uses professional-grade exponential sine sweeps to extract impulse response and distortion data.
Sends log sweeps to AirPlay or Bluetooth speakers for untethered frequency response analysis.
Visualizes Harman Room, B&K, or Room Gain curves against captured measurements.
How much does it cost?
Operates as a free, privacy-focused utility with no monetization, serving as a brand-building instrument for the developer's broader portfolio.
Velocity
Active developmentnew contentUX improvementsShow more...
Sweep: Speaker Tuning is currently in an active development phase, having shipped two releases within the last 15 days. The latest version demonstrates a focus on hardware integration by enabling wireless measurement capabilities. This follows a minor update released earlier in August, indicating a stable and productive development cycle. The team is actively iterating on core functionality to improve the user's measurement workflow.
Who built it?
Carl Sieber
3 apps tracked · Utilities
Level: Sound Level Meter
Lean: InclinometerUser Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate the accessible price point makes the app an attractive entry for users interested in audio measurement tools.
How are ratings & reviews evolving?
What users say, by theme
- The accessible price point makes the app an attractive entry for users interested in audio measurement tools
- Inability to route audio output to external speakers while using the microphone prevents accurate measurement sessions
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Sweep: Speaker Tuning
How's the Utilities market?
Sweep occupies the free, mobile-native utility space within the audio measurement category. With a 4.0 rating across two store ratings, the app currently prioritizes user acquisition and brand building over monetization.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Sweep: Speaker Tuning
Where is it heading?
The mobile audio measurement market is shifting toward untethered, quick-check tools that prioritize convenience over full-bench accuracy. Sweep is well-positioned to lead this niche if it can resolve the technical routing conflicts that currently prevent simultaneous wireless output and microphone input.
- The latest release introduces wireless measurement support, indicating active feature development and a commitment to expanding the app's utility.
- User reports of input/output conflicts during wireless measurement sessions indicate a technical barrier that limits the app's primary use case.
The SWOT
- Farina ESS method provides professional-grade impulse response data
- Privacy-first design removes account and tracking friction
- Guided calibration workflow could resolve input/output routing conflicts
Next best moves
Ship a guided routing workflow because users report conflicts between wireless output and microphone input -> unlock accurate remote measurement
The counter-intuitive read
Users report: The lack of monetization is not…
Read the full takeSince the last report: The app's positioning has sharpened to emphasize trust-building through a privacy-first, free model, while the product roadmap now prioritizes a guided calibration workflow to address persistent audio routing conflicts.
Bottom line
Sweep provides a high-utility, free instrument for home audio tuning, but the current wireless input/output conflict limits its core value proposition. Resolving this routing limitation would unlock the app's potential as a primary, rather than secondary, tuning tool.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Sweep accurate enough for professional speaker calibration?
Does Sweep support wireless speakers?
Is there a paid version of Sweep with more features?
Sources
Report last updated