Funcalls: Voice Changer Calls
38
Quality Score
Emerging
Funcalls: Voice Changer Calls
by Funcalls
Medium confidence
βοΈ GetAppValue analysis
“
Funcalls: Voice Changer Calls is an Android app from Funcalls in the Entertainment category, currently rated 2.2β across 2,281 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 38: Emerging (early traction worth watching). For a Entertainment app, that means early traction worth watching. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
π° Monthly revenue Β· now vs forecast
β Right now
$5.0K
per month
β
12-mo forecast
$5.2K β $10.8K
per month
β
24-mo forecast
$6.4K β $19.2K
per month
MID tier
π‘ Grow this revenue
Free AI audit of this appβs store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5Γ organic installs
π Performance Tracking LIVE
Loadingβ¦
Rating
β
Reviews
β
Forecast Revenue / mo
β
Snapshots tracked
0
since first record
ONE-TIME Β· BUILD
π° Estimated build cost
$120K
β³ What it cost to build Β· not monthly revenue
Likely range $90K β $160K
$25K Β· MVP floor
$100K Β· indie scale
$500K+ Β· studio build
π
Slow ROI β current MRR is well below build cost
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age Γ team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 𧱠MVP baseline (design + 1-store ship) | +$28K |
| π± 5 unique screens Γ $4.5K | +$22K |
| π In-app purchase plumbing | +$9K |
| β Entertainment complexity Γ1.30 | +$17K |
| π Cross-platform reach (iOS + Android) | +$42K |
Total estimate
$120K
ONE-TIME Β· EXIT VALUE
π΅ Estimated acquisition value
$10K
β³ What it would sell for Β· not monthly revenue
Marketplace range $10K β $15K Β· 22Γ MRR multiple
πΈ
~0.1Γ build cost (under-water)
Synthetic estimate. Multiple band derived from iap / freemium model + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| π IAP / freemium model base | 28Γ MRR |
| β β rating < 3.5 (weak) | -18% |
| π· Entertainment category multiple | -5% |
Final multiple
22Γ MRR
π₯ Estimated audience size
340K
Lifetime downloads (US-equivalent)
Monthly active
40K
Daily active
16K
Synthetic estimate from ratings Γ category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent β true global audience can be 5-10Γ larger for international apps. Full math + source list on /methodology.
How we sized it
| π² Entertainment engagement | ~150 installs / rating |
| π Entertainment D30 retention | 12% |
| π DAU / MAU stickiness | 0.40 |
DAU / MAU
40% sticky
π¬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo Β· ML-estimated from 234 triggers
Growth rate
+4.0% MoM Β· MID tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$4.7K β $7.9K
12 months
$5.2K β $10.8K
24 months
$6.4K β $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon β typical noise band Β±25% at 6mo.. Ranges widen with horizon β distant futures carry more uncertainty.
π
BU Investment Matrix
Below median Β· 40/100MID TIERunderperforming peersRevenue Strength
3.7
Product Quality
3.9
Market Position
0.0
Growth Velocity
5.0
Defensibility
6.6
Operational Safety
5.0
Founder Strength
3.1
Monetization Maturity
5.0
- π° Revenue: Modest β $3K - $7K/mo Β· MID tier Β· medium confidence, trajectory unclear.
- β Quality: 2.16β across 2,281 reviews β weak β significant quality concerns.
- π Market: Not yet charting in any of the 9 monitored markets.
- π Growth: β last update 737d ago β possibly dormant.
- β οΈ Risk: Elevated β dormant (737d since update).
π― For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
π΅ For acquirers: Estimated asking range 18-32Γ monthly = $90K-$160K.
Composite of 8 dimensions computed deterministically from public signals β no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
π° Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
π¬Forecast Breakdown β Why This Estimate?Top 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (2,281 ratings)METRIC | +$1,500 | |
| Below-average rating (2.2β )METRIC | β$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 |
METRIC = structural app data Β· REVIEW = mined from user reviews Β· β VERIFIED = Stripe-verified anchor (TrustMRR)
π Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
β Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
Profile & Insights
Everything we know β and don't β about this app and its company.
Identification
- App name
- Funcalls: Voice Changer Calls
- Developer
- Funcalls
- Bundle ID
- com.fun.funcalls
- App Store URL
- Open in App Store
- Category
- Entertainment
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.funcalls.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $115/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $19.99 per item
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" β additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
π About this app
Make cheap international calls and change your voice in real time β Funcalls turns any call into fun. ππ
Call landlines and mobiles in 150+ countries at low per-minute prices, and transform how you sound with live voice changers and background sound effects. Surprise your friends, add funny effects, or just make everyday calls more entertaining.
β Live voice changer β Scary, Man, Regular, Funny, Helium and more, switchable mid-call
β Background sounds β drop in City, Airport, Farm, Station and other effects while you talkβ¦ View full description on the official store β
Call landlines and mobiles in 150+ countries at low per-minute prices, and transform how you sound with live voice changers and background sound effects. Surprise your friends, add funny effects, or just make everyday calls more entertaining.
β Live voice changer β Scary, Man, Regular, Funny, Helium and more, switchable mid-call
β Background sounds β drop in City, Airport, Farm, Station and other effects while you talkβ¦ View full description on the official store β
π v5.3.15π updated 0d agoπ Entertainmentπ° FreeπΊ Ad-supportedπ IAP $0.99 - $19.99 per item
π
What Workedβ’ Β· Development Pipeline
2 EVENTS TRACKEDDetected changes in this app over its tracked lifetime β each event links cause (what changed) to effect (what moved). Sorted newest first.See full history βVersion history β
2026-08
πΈ
Refreshed store screenshots β 8 of 8 updated
2026-05
π
First tracked snapshot β initial data captured
β 30 days after: reviews +15 high confidence
πΈ
Store Page History
8 SCREENSHOT CHANGESEvery time a developer swaps a store screenshot we archive both versions. Compare side-by-side to see what messaging / visuals changed.
iPhone screenshots
Slot 1
2 ver.
2 ver.
2026-05-09
2026-08-12
Slot 2
2 ver.
2 ver.
2026-05-09
2026-08-12
Slot 3
2 ver.
2 ver.
2026-05-09
2026-08-12
Slot 4
2 ver.
2 ver.
2026-05-09
2026-08-12
Slot 5
2 ver.
2 ver.
2026-05-09
2026-08-12
Slot 6
2 ver.
2 ver.
2026-05-09
2026-08-12
π
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π Description
95
BU Score Β· Transcendent
Full revenue analysis
Read the article-style breakdown for Funcalls: Voice Changer Calls: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 2,281 ratings Β· no founder-verified revenue (model estimate only).
β Frequently Asked Questions
4 answers Β· auto-generated from this app's public dataHow much does Funcalls make per month?β΄
Based on our ML-calibrated revenue forecast, Funcalls earns approximately $546/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
What apps are like Funcalls?β΄
Browse the full Entertainment category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
Who makes Funcalls?β΄
Funcalls is published by Funcalls on the Google Play Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Funcalls's BU Score?β΄
Funcalls has a BU Score of 38/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.