How much does Circa³ – Time Zone Converter make per month?

Based on our ML-calibrated revenue forecast, Circa³ – Time Zone Converter earns approximately $18K/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 Circa³ – Time Zone Converter?

Browse the full Utilities 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 Circa³ – Time Zone Converter?

Circa³ – Time Zone Converter is published by Kostiantyn Zuiev on the Apple App 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 Circa³ – Time Zone Converter's BU Score?

Circa³ – Time Zone Converter has a BU Score of 73/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.

Circa³ – Time Zone Converter

Quality Score

Strong

Circa³ – Time Zone Converter

Name: Circa³ – Time Zone Converter — app revenue, audience, build cost & risk profile
Creator: bumetric
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Circa³ – Time Zone Converter revenue, Circa³ – Time Zone Converter app analytics, mobile app revenue estimate, Utilities revenue, iOS app revenue

Medium confidence

5.0 ✍️ Editor

✍️ bumetric analysis

“

Circa³ – Time Zone Converter is an iOS app from Kostiantyn Zuiev in the Utilities category, currently rated 5.0★ across 379 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 73: Strong (healthy traction). For a Utilities app, that means healthy traction. 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.

💰 Monthly revenue · now vs forecast

● Right now

$5.7K

per month

→

12-mo forecast

$5.0K – $18.0K

per month

→

24-mo forecast

$4.6K – $41.7K

per month

INDIE tier

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Description hook & conversion structure
Screenshots, ratings, reviews strategy

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Typical impact: +2-5× organic installs

📊 Performance Tracking LIVE

Loading…

idle

Rating

—

Reviews

—

Forecast Revenue / mo

—

Snapshots tracked

since first record

ONE-TIME · BUILD 💰 Estimated build cost

$45K

↳ What it cost to build · not monthly revenue

Likely range $35K – $60K

$25K · MVP floor $100K · indie scale $500K+ · studio build

📈 Pays back in ~2 months at current MRR

Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.

Where the money goes

🧱 MVP baseline (design + 1-store ship)	+$28K
📱 5 unique screens × $4.5K	+$22K
⚙ Utilities complexity ×0.85	$-7575

Total estimate $45K

ONE-TIME · EXIT VALUE 💵 Estimated acquisition value

$275K

↳ What it would sell for · not monthly revenue

Marketplace range $200K – $350K · 14× MRR multiple

💸 ~6.1× return on build cost

Synthetic estimate. Multiple band derived from ad-supported + 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

📺 Ad-supported base	15× MRR
⭐ ★ rating ≥ 4.7 (premium)	+15%
🏷 Utilities category multiple	-10%
⭐ Small user base (<1K ratings)	-8%

Final multiple 14× MRR

👥 Estimated audience size

75K

Lifetime downloads (US-equivalent)

Monthly active

15K

Daily active

3.0K

Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.

How we sized it

📲 Utilities engagement	~200 installs / rating
🔁 Utilities D30 retention	20%
📍 DAU / MAU stickiness	0.20

DAU / MAU 20% sticky

🔬

How we forecast this revenue

MEDIUM CONFIDENCE

Baseline

$5.7K/mo · ML-estimated from 234 triggers

Growth rate

+6.0% MoM · INDIE tier baseline (compound monthly)

6 months

$4.9K – $11.4K

12 months

$5.0K – $18.0K

24 months

$4.6K – $41.7K

Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.

📊

BU Investment Matrix

Early-stage solo · 42/100INDIE TIERexpected for tier

Growth Velocity

5.0

Founder Strength

5.3

Product Quality

7.0

Revenue Strength

3.8

Monetization Maturity

1.0

Defensibility

4.5

Market Position

0.3

Operational Safety

7.0

💰 Revenue: Modest — $2K - $14K/mo · INDIE tier · medium confidence, trajectory unclear.
⭐ Quality: 5.0★ across 379 reviews — solid.
📍 Market: Not yet charting in any of the 9 monitored markets.
📈 Growth: ⚠ last update 2547d ago — possibly dormant.
⚠️ Risk: Moderate — dormant (2547d since update).

🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.

💵 For acquirers: Estimated asking range 18-32× monthly = $102K-$183K. Portfolio play ($18K/mo combined) commands premium.

Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.

Range:

💰 Forecast Revenue / mo

MODEL

Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.

🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers

Our ML model uses 200+ signals from public data. These are the most influential for this app:

Paid app ($0.00)METRIC		+$2,800
Excellent rating (5.0★)METRIC		+$2,200
5 starREVIEW		+$1,800
Mature app (11y old)METRIC		+$1,500
highly recommendREVIEW		+$1,400
Early-stage install base (379 ratings)METRIC		+$400
Single-language (English only)METRIC		−$400

METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📥 Estimated Downloads / week

PROXY · ratings × 50/wk —

Industry-rule estimate (Sensor Tower / data.ai): one weekly install ≈ 50 new ratings. Solid points = tracked snapshots · faded line = pre-tracking model backfill.

📈 Reviews Growth

LIVE

Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE

Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY

Each bar shows a tracked update and the metric delta from the previous snapshot.

🆕 What's New · v3.3.1

Fixes crash and data loss after update from previous version 3.2.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name: Circa³ – Time Zone Converter
Developer: Kostiantyn Zuiev
Bundle ID: Not found
App Store URL: Open in App Store
Category: Utilities
Content rating: 4+
Languages: EN

Company

Website: Not found
Tagline: Today
Description: Find apps and games for iPhone, iPad, Mac, and more on the App Store.
Founded: Not found
HQ / Address: Not found
Employees: Not found
Logo: Available

Revenue

Verified revenue / mo: Not found
AI revenue estimate / mo: Not found
AI annual estimate: Not found
ML model estimate / mo: $18.5K/mo
Top-grossing rank: Not found
All-time revenue: Not found
Pricing: Not found

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.

📈Ratings growth379 ratings+1416% lifetimeShow 3-year history estimate ▾

Tracked (59 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value

🌍Geographic ReachNot ranked

This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.

💰Pricing History$0.00 → $3.99 (+0%)

Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

📝 About this app

Circa helps you keep time across multiple locations and time zones. Find the best times to connect and quickly create meeting invitations that work for everyone. Circa keeps teams in sync across multiple locations.

Features:
- Visually compare time across multiple locations
- Quickly see working hour overlaps
- Connect your calendars to check your schedule
- Personal, organize in your own way
- Create one-touch meeting invitations

Featured:

*** Best apps for tech-savvy travelers ***

"10 of the best travel apps ... that you'll actually use." - The Guardian… View full description on the official store →

App Specs

🔐 Own this app? Claim & verify MRR →

💾 39 MB🔞 4+📱 iOS 11.0+🔖 v3.3.1🔄 updated 0d ago🌐 EN📂 Utilities💰 Paid

📅

What Worked™ · Development Pipeline

7 EVENTS TRACKED

Detected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →

2026-05

⭐

Rating ↓ 5.00 → 4.54 (dropped 0.46★)

2026-05

💲

Went paid — introduced $3.99 price point

2026-03

⭐

Rating ↑ 3.66 → 5.00 (improved 1.34★)

2026-03

📈

Crossed 100 ratings — social-proof flywheel kicking in

2021-01

📈

Crossed 50 ratings — social-proof flywheel kicking in

2017-09

📈

Crossed 10 ratings — social-proof flywheel kicking in

2015-04

🚀

First tracked snapshot — initial data captured

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📝 Description

BU Score · Transcendent

Full revenue analysis

Read the article-style breakdown for Circa³ – Time Zone Converter: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.

Read deep-dive →