Orthodox Christian Calendar (E
56
Quality Score
Solid
✍️ GetAppValue analysis
“
Orthodox Christian Calendar (E is an Android app from Eir3 Apps in the Lifestyle category, currently rated 4.5★ across 156 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 56: Solid (established niche player). For a Lifestyle app, that means established niche player. 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
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$80K
↳ What it cost to build · not monthly revenue
Likely range $60K – $110K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Slow ROI — current MRR is well below build cost
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 |
| ⚙ Lifestyle complexity ×1.05 | +$2K |
| 🌐 Cross-platform reach (iOS + Android) | +$29K |
Total estimate
$80K
👥 Estimated audience size
17K
Lifetime downloads (US-equivalent)
Monthly active
2.2K
Daily active
440
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
| 📲 Lifestyle engagement | ~110 installs / rating |
| 🔁 Lifestyle D30 retention | 13% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 47/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.8
Product Quality
6.3
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.6
Market Position
0.0
Operational Safety
9.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.5★ across 156 reviews — solid.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 267d ago — slow cadence.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 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 = $90K-$160K.
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
MODELRevenue 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 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Excellent rating (4.5★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Early-stage install base (156 ratings)METRIC | +$400 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Orthodox Christian Calendar (E
- Developer
- Eir3 Apps
- Bundle ID
- eir.synaxarion.eng
- App Store URL
- Open in App Store
- Category
- Lifestyle
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- eir3.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
- $218/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.
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
Orthodox Calendar in English.
Displays the full calendar of feasts and saints, as well as fasting and period of the year information, for any day, past and future. Links to daily readings of the Ohrid Prologue and an online calendar are also provided. Optionally, navigate to any day, past or future, on a date basis or in regard to the paschal period.
Includes a nice looking widget for your homescreen.
Does not require internet connection, so it will display the feast, or the saints of the day, even if you are on Sinai or Mount Athos :-)… View full description on the official store →
Displays the full calendar of feasts and saints, as well as fasting and period of the year information, for any day, past and future. Links to daily readings of the Ohrid Prologue and an online calendar are also provided. Optionally, navigate to any day, past or future, on a date basis or in regard to the paschal period.
Includes a nice looking widget for your homescreen.
Does not require internet connection, so it will display the feast, or the saints of the day, even if you are on Sinai or Mount Athos :-)… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 vVaries with device🔄 updated 0d ago📂 Lifestyle💰 Free
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Orthodox Christian Calendar (E: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Eir3 Apps
View all →📦 Portfolio summaryINDIE studio
33apps·$2K/mocombined
✓ Diversified — top app contributes 10%; risk spread across portfolio
About this analysis
Why medium confidence: 156 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Orthodox Christian Calendar (E make per month?▴
Based on our ML-calibrated revenue forecast, Orthodox Christian Calendar (E earns approximately $187/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 Orthodox Christian Calendar (E?▴
Browse the full Lifestyle 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 Orthodox Christian Calendar (E?▴
Orthodox Christian Calendar (E is published by Eir3 Apps 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 Orthodox Christian Calendar (E's BU Score?▴
Orthodox Christian Calendar (E has a BU Score of 56/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.