BTS FX is a multi-effect audio plugin for iOS that provides Moog Ladder filtering and oversampling within Auv3 or IAA host environments.
The App DNA
What makes this app unique?
The plugin serves producers who need professional-grade analog-style signal processing on mobile devices without relying on subscription-based alternatives.
For Mobile music producers and audio enthusiasts who require professional-grade DSP effects within their iOS DAW environment.
What does it look like?
Key features
Emulation of classic analog ladder filter design with 12/24 dB/octave slopes, providing a specialized sound character that justifies the $9.99 upfront cost.
Provides 2x, 4x, and 8x factors using polyphase allpass IIR and FIR versions with latency compensation, reinforcing the tool's professional-grade positioning.
Reverb module featuring a dedicated freeze function for sustained audio textures, encouraging creative sound design.
How much does it cost?
The $9.99 one-time purchase price targets professional and hobbyist audio creators who value upfront ownership over subscription-based models.
Velocity
Dormant developmentopaqueShow more...
BTS FX has seen no development activity for 879 days. The app remains in a zombie state with no feature updates, bug fixes, or operational changes recorded in the provided history. Given the lack of updates for over two years, there is no evidence of ongoing maintenance or support for the platform.
Who built it?
Dmytro Kiro
3 apps tracked · Music
Pulsar-ES: Drum Machine
RadioMama - Radio & SamplerUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for BTS FX
How's the Music market?
BTS FX holds a niche position in the iOS Music category as a specialized DSP tool, priced at $9.99. The lack of updates for 880 days suggests a static market presence compared to active category rivals.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for BTS FX
Where is it heading?
The mobile audio plugin market is consolidating around developers who maintain a bi-annual update cadence to ensure DAW compatibility. BTS FX's 880-day silence leaves it exposed to platform-level changes, which will likely force a choice between a sunset or a significant compatibility refresh by the next major iOS release.
- The 880-day update gap suggests a maintenance-only posture, which limits the ability to address compatibility issues in future iOS environments.
- The $9.99 one-time purchase model remains a stable value proposition for users who prefer ownership over the industry-wide shift toward subscription-based audio tools.
The SWOT
- Moog Ladder Filter emulation provides a specialized analog-style sound character that justifies the $9.99 upfront cost.
- Oversampling module with latency compensation reinforces the tool's professional-grade value.
- Feature-refresh campaign could re-engage the user base by addressing modern iOS compatibility.
- Localized marketing in high-ARPU music production markets could capture users seeking one-time purchase alternatives.
Next best moves
Audit iOS compatibility because the 880-day update gap risks breaking DAW integration → maintain user trust
The counter-intuitive read
The 880-day update gap is not just a maintenance failure…
Read the full takeSince the last report: The app remains in a 29-month maintenance-only state with no functional changes. The primary shift is a more critical framing of the 880-day update gap as a direct threat to professional DAW compatibility and market competitiveness.
Bottom line
BTS FX remains a high-fidelity tool for sound design, but the 880-day update gap risks compatibility issues with newer iOS versions, which may erode the value of the $9.99 investment for professional users.
Unlock 2 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeFAQ
Is BTS FX compatible with all iOS music apps?
Does BTS FX require a subscription?
Is BTS FX still being updated?
What are some alternatives to BTS FX?
Sources
- [1] App Store, source
Report last updated