Report updated Jun 5, 2026
Funcall - Voice Changer & Rec
For users seeking affordable international communication tools combined with entertainment-focused voice modification features.
Funcall - Voice Changer & Rec is a struggling entertainment app that is free with in-app purchases. With a 3.4/5 rating from 709 reviews, it struggles with user retention. Users particularly appreciate entertaining prank call mechanics provide initial amusement for casual users during early sessions, though purchased credits fail to appear in user accounts after successful payment transactions remains a common concern.
What is Funcall - Voice Changer & Rec?
Funcall is an entertainment and communication app that provides real-time voice changing during international VOIP calls on iOS.
Users hire Funcall for low-stakes prank communication that standard calling apps cannot provide, using the voice-changer to mask identity during international calls.
Current Momentum
v2.1 · 24mo ago
Zombie- Ships stability fixes for registration errors.
- Maintains international calling credit model.
Active Nemesis
Voice changer with effects
By Baviux Apps & Games SL.
Other Rivals
7-Day Rank Pulse 🇺🇸
EntertainmentNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Enables calls to landlines and mobile numbers across 150 countries using internet connectivity
Modifies voice output during active calls with various sound effects
Captures and stores audio from active calls for playback and sharing
Allows users to preview voice effects before initiating a paid call
How much does it cost?
- Free app download
- In-app purchases for international calling credits
Monetization relies on a pay-per-use credit model for international VOIP calls, supplemented by entertainment features.
Who Built It?
Enrichment in progress
Publisher profile available very soon
What other apps does bar ish shalom make?
What do users think recently?
High confidence · Latest 70 of 122 total reviews analyzed · Based on 122 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a upset sentiment. Users appreciate entertaining prank call mechanics provide initial amusement for casual users during early sessions, but report purchased credits fail to appear in user accounts after successful payment transactions and registration process failures prevent new users from accessing core calling functionality.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Funcall - Voice Changer & Rec?
Where is it available?
Localized markets (1)
How's The Entertainment Market?
How does it evolve in the Entertainment market?
Funcall currently occupies a niche in the Entertainment category, with recent chart entries in European markets like Greece and Slovakia. The reliance on a credit-based monetization model creates friction that hinders long-term retention compared to subscription-based competitors.
Rank progression
7 active rankings tracked — 30-day window
Which niche is Funcall - Voice Changer & Rec in?
to make entertaining international voice calls
Explore the full Voice Changing Recorders niche
Every app in this space — 2 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
With over 1.4 million reviews, this app dominates the voice-changing niche through massive scale and a highly focused feature set.
Differentiators
- Offers a massive library of pre-set audio filters that the target app currently lacks
- Provides direct social sharing integration for audio files, bypassing the need for external file management
- Maintains a specialized focus on post-recording audio manipulation rather than live international calling features
Head to head
The target app should lean into its unique live-calling utility to differentiate from this pure-play audio effects leader.
Contenders(2)
This is the most direct functional competitor, offering live voice-changing during international calls.
Differentiators
- Specializes in real-time VoIP call routing with integrated voice modulation for live conversations
- Maintains a long-standing market presence since 2012, establishing trust in international call reliability
High-velocity updates and a massive user base make this a significant threat in the entertainment category.
Differentiators
- Ships frequent feature updates including new audio filters every quarter to maintain user engagement
- Optimized for high-quality audio recording and instant playback, prioritizing speed over complex call routing
Same space(2)
Adjacent utility app that captures the same 'call-centric' audience but focuses on recording rather than modification.
Differentiators
- Focuses exclusively on high-fidelity call recording and cloud storage management for professional use cases
- Lacks any voice-changing or entertainment-focused audio modulation features found in the target app
A professional-grade call recording tool that competes for the same user attention during phone calls.
Differentiators
- Provides robust transcription services for recorded calls, adding significant value for business-oriented users
- Operates on a subscription-based model that targets power users rather than casual prank callers
New entrants(2)
Aggressive release cadence and a strong focus on the 'prank' use case make this a rising threat.
Differentiators
- Uses pre-recorded prank scenarios to automate the entertainment experience, reducing user effort
- Aggressively ships new prank content to keep the app feeling fresh and viral-ready
Frequent updates and a strong focus on the call-utility market segment indicate rapid growth.
Differentiators
- Simplifies the call recording UX with a one-tap interface that minimizes user friction
- Focuses on seamless integration with native contact lists to streamline the recording workflow
Compare Funcall - Voice Changer & Rec against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Funcall - Voice Changer & Rec
Strengths to defend, gaps to attack
Core Strengths
- Live voice-modification during international calls provides a functional utility that static audio-filter apps cannot replicate.
Critical Frictions
- Purchased credits frequently fail to appear in user accounts, driving high-churn and negative sentiment.
Growth Levers
- Expanding voice character options would increase variety for long-term prank usage and reduce boredom.
Market Threats
- Technical instability in registration flows prevents new users from accessing core functionality, accelerating churn to more stable competitors.
What are the next best moves?
Audit payment reconciliation logic because credit-delivery failure is the top complaint → reduce refund surge.
High-frequency complaints regarding missing paid credits directly correlate with negative sentiment and churn.
Trade-off: Pause the voice-filter expansion sprint — payment reliability has a higher impact on revenue.
Rebuild registration verification flow because verification code failures block new user conversion → increase install-to-active rate.
Users report inability to receive verification codes, preventing access to core calling functionality.
Trade-off: Deprioritize new UI elements for the demo call screen — registration stability is the primary blocker for growth.
A counter-intuitive read
The app's #75-99 chart positions are a liability rather than a strength, as they attract a high volume of users to a broken registration flow, accelerating the accumulation of negative reviews.
Feature Gaps vs Competitors
- Massive library of pre-set audio filters (available in Voice changer with effects but missing here)
- Direct social sharing integration for audio files (available in Voice changer with effects but missing here)
- Robust transcription services (available in TapeACall but missing here)
Key Takeaways
Funcall provides a unique live-call voice modification utility, but the current payment and registration instability destroys user trust, so the PM must prioritize technical reliability over new feature development to prevent total churn.
Where Is It Heading?
Declining
The voice-modification market is consolidating around stable, high-cadence competitors, leaving Funcall exposed due to its technical instability. Unless the team resolves the payment and registration bottlenecks, the app will continue to bleed users to more reliable alternatives, rendering its unique live-call utility irrelevant.
Persistent payment reconciliation failures in the latest release drive high churn, which compounds the negative sentiment already visible in user reviews.
Registration verification errors block new users from accessing core calling features, which limits the effectiveness of current user acquisition efforts.