Spirit Fanfiction and Stories
74
Quality Score
Strong
✍️ Bumetric analysis
“
Spirit Fanfiction and Stories is an Android app from Spirit Tecnologia LTDA in the Books & Reference category, currently rated 4.2★ across 222,154 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 74: Strong (healthy traction). For a Books & Reference 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
$5.0K
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
5 snapshots on record
Rating
4.2
Reviews
222,154 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
5
since May 2026
🍎Also on iOS
$34.0K/mo · 218 ratings · 4.6★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$155K
↳ What it cost to build · not monthly revenue
Likely range $115K – $210K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.6y 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 |
| 💎 In-app purchase plumbing | +$9K |
| ⚙ Books & Reference complexity ×0.95 | $-2975 |
| 🌐 Cross-platform reach (iOS + Android) | +$31K |
| ⚙ 11.0y maintenance × ~1-person team | +$66K |
Total estimate
$155K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$175K
↳ What it would sell for · not monthly revenue
Marketplace range $125K – $225K · 35× MRR multiple
💸
~1.1× build cost (break-even+)
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
| 💎 IAP / freemium model base | 28× MRR |
| 📅 11.0y proven track record | +20% |
| 🏷 Books & Reference category multiple | -2% |
| ⭐ Mature user base (100K+ ratings) | +5% |
Final multiple
35× MRR
👥 Estimated audience size
17.0M
Lifetime downloads (US-equivalent)
Monthly active
775K
Daily active
155K
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
| 📲 Books & Reference engagement | ~110 installs / rating |
| 📅 11.0y of rating accumulation | -30% |
| 🔁 Books & Reference D30 retention | 10% |
| 📍 DAU / MAU stickiness | 0.20 |
DAU / MAU
20% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
Also possible
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 🏷 Category context | Books & Reference |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Active
15%
Last shipped 2026-09-03 · 31 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 31 days since last update | Healthy release cadence |
Verdict
Active
🔬
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
Building · 58/100MID TIERcompetitive build-outGrowth Velocity
5.0
Founder Strength
5.5
Product Quality
8.4
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
8.5
Market Position
0.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.18★ across 222,154 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Strong subscription moat. Hard to outcompete on retention. Better angle: free alternative with one-time purchase, or feature parity for an underserved sub-niche.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K. Portfolio play ($34K/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
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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| High install base (222,154 ratings)METRIC | +$12,000 | |
| premiumREVIEW | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Good rating (4.2★)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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
- Spirit Fanfiction and Stories
- Developer
- Spirit Tecnologia LTDA
- Bundle ID
- br.com.socialspirit.android
- App Store URL
- Open in App Store
- Category
- Books & Reference
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.spiritfanfiction.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
- Model estimate / mo
- $5.0K/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $4.99 - $49.99 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.
🚀Update Frequency · Releases per Quarter5 releases tracked
🚀Version Release Timeline5 releases tracked
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
Discover a universe of stories on Spirit Fanfics & Stories!
Explore, read, and fall in love with over 1 million books (fanfics and original stories) FOR FREE!
Our app is designed to provide the best reading and publishing experience, in a lightweight and optimized way. With it, you can:
✔ Read offline
✔ Access thousands of free books
✔ Publish your stories for free
✔ Organize your favorite stories in the Library
✔ Comment, interact, and participate in stories
✔ Customize your reading with different fonts and colors… View full description on the official store →
Explore, read, and fall in love with over 1 million books (fanfics and original stories) FOR FREE!
Our app is designed to provide the best reading and publishing experience, in a lightweight and optimized way. With it, you can:
✔ Read offline
✔ Access thousands of free books
✔ Publish your stories for free
✔ Organize your favorite stories in the Library
✔ Comment, interact, and participate in stories
✔ Customize your reading with different fonts and colors… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v2.1.497🔄 updated 1mo ago📂 Books & Reference💰 Free📺 Ad-supported💎 IAP $4.99 - $49.99 per item🚀 Launched 2015 (11y old)
📅
What Worked™ · Development Pipeline
5 EVENTS TRACKEDDetected 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 →
2026-09
🔧
Shipped update — v2.1.487 → v2.1.497
→ 30 days after: reviews +22 high confidence
2026-08
🔧
Shipped update — v2.1.465 → v2.1.487
→ 30 days after: reviews +75 high confidence
2026-07
🔧
Shipped update — v2.1.445 → v2.1.465
→ 30 days after: reviews +15 high confidence
2026-06
🔧
Shipped update — v2.1.433 → v2.1.445
→ 30 days after: reviews +33 high confidence
2026-05
🚀
First tracked snapshot — initial data captured
→ 30 days after: reviews +71 high confidence
🔔
Track this app’s revenue
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Spirit Fanfiction and Stories: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by Spirit Tecnologia LTDA
View all →📦 Portfolio summaryINDIE studio
2apps·$10K/mocombined
Lead-app heavy — top app contributes 50%
About this analysis
Why high confidence: 222,154 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Spirit Fanfiction and Stories make per month?▴
Based on our ML-calibrated revenue forecast, Spirit Fanfiction and Stories earns approximately $5.0K/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.
Is Spirit Fanfiction and Stories profitable?▴
With estimated build cost $155K and monthly revenue $5.0K, Spirit Fanfiction and Stories looks break-even-grade — payback period sits around 2.6 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Spirit Fanfiction and Stories have?▴
Estimated audience: ~17.0M lifetime downloads, ~775K monthly active users, and ~155K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Spirit Fanfiction and Stories?▴
Browse the full Books & Reference 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.
What is Spirit Fanfiction and Stories built with?▴
Our heuristic places Spirit Fanfiction and Stories on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Spirit Fanfiction and Stories still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 1 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Spirit Fanfiction and Stories sell for?▴
Estimated acquisition value: $175K (marketplace range $125K – $225K). Calculated as 35× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Spirit Fanfiction and Stories last updated?▴
Spirit Fanfiction and Stories last shipped a new version on 2026-09-03 — 1 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Spirit Fanfiction and Stories?▴
Spirit Fanfiction and Stories is published by Spirit Tecnologia LTDA 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 Spirit Fanfiction and Stories's BU Score?▴
Spirit Fanfiction and Stories has a BU Score of 74/100 (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.