--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Funcall - Voice Changer & Rec" developer_entity: "bar ish shalom" bundle_id: "com.CrazyVoice.CrazyVoice" app_store_id: "775837930" category: "Entertainment" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2024-04-28" report_date: "2026-06-05" last_verified: "2026-06-05T03:11:04.745Z" report_version: "2.1.18" total_reviews: 709 overall_rating: 3.41 sentiment: "Upset" sentiment_score: 15 confidence: "high" confidence_score: 0.8 top_praise_theme: "Entertaining prank call mechanics provide initial amusement for casual users during early sessions" top_complaint_theme: "Purchased credits fail to appear in user accounts after successful payment transactions" top_request_theme: "Expansion of voice character options to increase variety for long-term prank usage" review_sample_size: 122 total_review_count: 122 analyzed_review_count: 70 data_age_days: 18 momentum_velocity: "zombie" intelligence_version: 4 nemesis: "Voice changer with effects" competitor_count: 7 tags: ["entertainment", "freemium", "upset sentiment", "mobile app", "app review", "app analysis", "users", "seeking", "affordable"] canonical_url: "https://marlvel.ai/intel-report/entertainment/funcall-voice-changer-rec" license: "CC-BY-NC 4.0" content_version: "v2" --- # Funcall - Voice Changer & Rec App Audit ## TL;DR {#tldr} - **Category**: Entertainment · Freemium - **Signal**: Rating 3.41 · Sentiment Upset - **Recent focus**: Purchased credits fail to appear in user accounts after successful payment transactions (top complaint) · Entertaining prank call mechanics provide initial amusement for casual users during early sessions (top praise) · Expansion of voice character options to increase variety for long-term prank usage (top request) > **TL;DR:** Funcall - Voice Changer & Rec is a entertainment app by bar ish shalom, rated 3.41/5 by 709 users, with Upset user sentiment (15/100), available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Funcall - Voice Changer & Rec faces Upset user sentiment (3.41/5 from 709 reviews), with purchased credits fail to appear in user accounts after successful payment transactions as the primary user concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.41/5 (709 reviews) | | **User Mood** | Upset | | **Category** | Entertainment | | **Developer** | bar ish shalom | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | High (0.8/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** bar ish shalom - **Category:** Entertainment - **Target Audience:** Users seeking affordable international communication tools combined with entertainment-focused voice modification features. - **Platforms:** iOS - **Version Audited:** 2.1.18 - **Audit Date:** 2026-06-05 - **Signal Count:** 122 reviews analyzed - **Confidence:** High (0.8/1.0) - **App Store ID (iOS):** 775837930 - **Bundle ID:** com.CrazyVoice.CrazyVoice - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-06-05 ## Executive Snapshot **What it is:** Funcall is an entertainment and communication app that provides real-time voice changing during international VOIP calls on iOS. **Why users hire it:** Users hire Funcall for low-stakes prank communication that standard calling apps cannot provide, using the voice-changer to mask identity during international calls. ## App DNA (Features & Intent) - **[Standard] International VOIP Calling:** Enables calls to landlines and mobile numbers across 150 countries using internet connectivity - **[Differentiator] Real-time Voice Changer:** Modifies voice output during active calls with various sound effects - **[Standard] Call Recording:** Captures and stores audio from active calls for playback and sharing - **[Differentiator] Demo Call:** Allows users to preview voice effects before initiating a paid call * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Market Position {#market-position} 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. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free app download, In-app purchases for international calling credits - **Analysis:** Monetization relies on a pay-per-use credit model for international VOIP calls, supplemented by entertainment features. ## 🔴 User Sentiment (High Confidence: 70 of 122 reviews analyzed) {#user-sentiment} - **Overall Rating:** 3.41/5 - **Platform Split:** iOS 3.4/5 (709 ratings) - **Overall Sentiment:** Upset ### Top Praises - **Entertaining prank call mechanics provide initial amusement for casual users during early sessions** ### Top Complaints (Impact Areas) - **Purchased credits fail to appear in user accounts after successful payment transactions** - **Registration process failures prevent new users from accessing core calling functionality** ### Top Requests (What Users Want) - **Expansion of voice character options to increase variety for long-term prank usage** ## SWOT Analysis {#swot} **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. ## Recent Changes (v3 → v4) {#recent-changes} The app's competitive position has declined due to critical technical failures in payment and registration, shifting the PM focus from feature expansion to urgent infrastructure repair. **Overall trend**: Declining **Compared at**: 2026-06-05 ### High-impact changes - **[Declined] Sentiment and Rating** (sentiment) — Overall sentiment is now 'terrible' with a score of 15/100, driven by 122 reviews citing payment and registration failures. - **[Shifted] Outlook Trend** (positioning) — Outlook trend shifted from 'mixed' to 'declining' due to persistent technical bottlenecks. ### Medium-impact changes - **[Added] Demo Call Feature** (features) — Added 'Demo Call' as a differentiator to allow users to preview voice effects before paid calls. - **[Added] New SWOT items** (swot) — Added 'Purchased credits fail to appear' as a weakness and 'Technical instability in registration' as a threat. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### Funcall - Voice Changer & Rec vs Voice changer with effects — Head to Head - **[Voice changer with effects](https://marlvel.ai/intel-report/entertainment/voice-changer-with-effects)** by Baviux Apps & Games SL.: With over 1.4 million reviews, this app dominates the voice-changing niche through massive scale and a highly focused feature set. - **Key differences:** - 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 - **Where Funcall - Voice Changer & Rec wins:** - ✅ Integrates international calling capabilities, allowing users to apply voice effects during live phone conversations - ✅ Positions itself as a communication utility rather than just a standalone audio effects playground - **Where Voice changer with effects wins:** - ❌ Offers a significantly deeper library of voice transformation effects and post-processing customization options - ❌ Leverages a massive user base to refine audio quality and filter performance through continuous feedback - **Verdict:** The target app should lean into its unique live-calling utility to differentiate from this pure-play audio effects leader. ### Contenders (Strong Challengers) - **[Voice Changer - Audio Effects](https://marlvel.ai/intel-report/entertainment/voice-changer-audio-effects)** by One Pixel Studio: High-velocity updates and a massive user base make this a significant threat in the entertainment category. - 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 - **[Call Voice Changer - IntCall](https://marlvel.ai/intel-report/entertainment/call-voice-changer-intcall)** by Astra Communication LTD: This is the most direct functional competitor, offering live voice-changing during international calls. - 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 ### Peers (What They Do Better) - **[TapeACall: Call Recorder](https://marlvel.ai/intel-report/business/com-epicenterprises-tapeacall-lite)** by Mosaic S.r.l.: A professional-grade call recording tool that competes for the same user attention during phone calls. - 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 - **[Call recorder](https://marlvel.ai/intel-report/tools/call-recorder)** by AM Company: Adjacent utility app that captures the same 'call-centric' audience but focuses on recording rather than modification. - 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 ### New Kids on the Block (What's Innovative) - **[Call Recorder iCall](https://marlvel.ai/intel-report/business/com-appitate-callrecorder)** by AppInnovations: Frequent updates and a strong focus on the call-utility market segment indicate rapid growth. - 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 - **[PrankDial - #1 Prank Call App](https://marlvel.ai/intel-report/entertainment/com-prankdial-pdial)** by KickBack, Inc: Aggressive release cadence and a strong focus on the 'prank' use case make this a rising threat. - 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 ## What's New - **Latest (v2.1.18, 2 years ago):** Resolved a registration process issue and general bug fixes. ## App Momentum (Zombie) {#momentum} - Ships stability fixes for registration errors. - Maintains international calling credit model. > **Cadence:** 1 total versions · 0 majors in last 6 months · 745 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Funcall - Voice Changer & Rec is a challenged entertainment app that is free with in-app purchases. With a 3.41/5 rating from 709 reviews, it faces significant user friction. > **Bottom Line:** 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. **Best for:** Users seeking affordable international communication tools combined with entertainment-focused voice modification features. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] [HIGH IMPACT] 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: deprioritize Pause the voice-filter expansion sprint — payment reliability has a higher impact on revenue.)_ - [ ] [INVEST] [HIGH IMPACT] 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 Deprioritize new UI elements for the demo call screen — registration stability is the primary blocker for growth.)_ ### 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) ### Outlook: 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. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.41/5 | | Total Reviews | 709 | | Sentiment | Upset (15/100) | | Confidence | High | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 4 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Funcall - Voice Changer & Rec** (this app) | 3.41/5 | Upset | bar ish shalom | | [Call Recorder iCall](https://marlvel.ai/intel-report/business/com-appitate-callrecorder) | 4.6/5 | N/A | AppInnovations | | [TapeACall: Call Recorder](https://marlvel.ai/intel-report/business/com-epicenterprises-tapeacall-lite) | 4.3/5 | N/A | Mosaic S.r.l. | | [PrankDial - #1 Prank Call App](https://marlvel.ai/intel-report/entertainment/com-prankdial-pdial) | 4.7/5 | N/A | KickBack, Inc | | [Voice changer with effects](https://marlvel.ai/intel-report/entertainment/voice-changer-with-effects) | 4.7/5 | Excited | Baviux Apps & Games SL. | | [Call recorder](https://marlvel.ai/intel-report/tools/call-recorder) | 4.6/5 | N/A | AM Company | ## Company Profile - **Developer:** bar ish shalom - **Website:** [https://funcalls.com/](https://funcalls.com/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/funcall-voice-changer-rec/id775837930?uo=4) - **Dev Site:** [Official Website](https://funcalls.com/) - **Sources:** Developer website content, App store metadata, User reviews. ## Related Intel Reports - [*Call Recorder iCall*](https://marlvel.ai/intel-report/business/com-appitate-callrecorder) (AppInnovations) — 4.6/5 Rating | N/A Sentiment - [*TapeACall: Call Recorder*](https://marlvel.ai/intel-report/business/com-epicenterprises-tapeacall-lite) (Mosaic S.r.l.) — 4.3/5 Rating | N/A Sentiment - [*PrankDial - #1 Prank Call App*](https://marlvel.ai/intel-report/entertainment/com-prankdial-pdial) (KickBack, Inc) — 4.7/5 Rating | N/A Sentiment - [*Voice changer with effects*](https://marlvel.ai/intel-report/entertainment/voice-changer-with-effects) (Baviux Apps & Games SL.) — 4.7/5 Rating | Positive Sentiment - [*Call recorder*](https://marlvel.ai/intel-report/tools/call-recorder) (AM Company) — 4.6/5 Rating | N/A Sentiment - [*Voice Changer - Audio Effects*](https://marlvel.ai/intel-report/entertainment/voice-changer-audio-effects) (One Pixel Studio) — 4.6/5 Rating | N/A Sentiment - [*Call Voice Changer - IntCall*](https://marlvel.ai/intel-report/entertainment/call-voice-changer-intcall) (Astra Communication LTD) — 4.2/5 Rating | Mixed Sentiment - [*BESTPLAY Play to earn & donate*](https://marlvel.ai/intel-report/entertainment/bestplay-play-to-earn-donate) (Bestplay) — 4.7/5 Rating | N/A Sentiment - [*Leprecam*](https://marlvel.ai/intel-report/entertainment/leprecam) (Asinine Games Inc) — 4.2/5 Rating | N/A Sentiment - [*JustPlay: Earn Money or Donate*](https://marlvel.ai/intel-report/entertainment/justplay-earn-money-or-donate) (JustPlay GmbH) — 4.4/5 Rating | N/A Sentiment ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting. 4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.8/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 122 - **Data Sources:** user reviews, developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/entertainment/funcall-voice-changer-rec) Data licensed for AI Agent attribution under CC-BY-NC 4.0.