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Quality Score
Emerging

Schichtwechsel

Low confidence
3.0 ✍️ Editor
✍️ bumetric analysis

Schichtwechsel is an iOS app from NanoGiants GmbH in the Productivity category, currently rated 3.0★ across 3 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Quality Score is 42: Emerging (early traction worth watching). For a Productivity 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.

💰 Monthly revenue · now vs forecast
● Right now
$4.0K
per month
12-mo forecast
$3.5K – $12.5K
per month
24-mo forecast
$3.2K – $28.8K
per month
INDIE tierFREE
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$130K
What it cost to build · not monthly revenue
Likely range $100K – $175K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~8 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
Productivity complexity ×1.10+$5K
12.7y maintenance × ~1-person team+$76K
Total estimate$130K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$250K
What it would sell for · not monthly revenue
Marketplace range $175K – $325K · 15× MRR multiple
💸~1.9× build cost (break-even+)

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 base15× MRR
📅12.7y proven track record+20%
★ rating < 3.5 (weak)-18%
🏷Productivity category multiple+8%
Small user base (<1K ratings)-8%
Final multiple15× MRR
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 70%
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
📦App bundle size36 MB
🏷Category contextProductivity
📦Small-mid iOS bundle→ Native Swift / UIKit (pre-2020 era)
💀 Maintenance status
Likely abandoned
95%
Last shipped 2016-09-20 · 3533 days ago
0 · Active50 · At risk100 · 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
📅9y+ since last updateLikely abandoned
👥Small user base (3 ratings) + 12.7y old+10% (solo-project pattern)
13y old + 1y+ no update+5% (API deprecation drift)
VerdictLikely abandoned
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$4.0K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$3.4K – $7.9K
12 months
$3.5K – $12.5K
24 months
$3.2K – $28.8K
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

Pre-traction · 27/100INDIE TIERFREE (NO MONETIZATION)limited signal
RevenueQualityMarketGrowthMoatSafetyFounderMonetiz.
Revenue Strength
3.6
Product Quality
0.9
Market Position
2.0
Growth Velocity
5.0
Defensibility
4.5
Operational Safety
0.0
Founder Strength
5.2
Monetization Maturity
0.5
  • 💰 Revenue: Modest — $1K - $9K/mo · INDIE tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 3.0★ across 3 reviews — weak — significant quality concerns.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: ⚠ last update 3533d ago — possibly dormant.
  • ⚠️ Risk: High — bug mentions above category norm, rating drift -0.60 ★ (recent 50 vs lifetime), dormant (3533d since update).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 12-22× monthly = $47K-$87K. Portfolio play ($16K/mo combined) commands premium. Discount applied for operational risk..
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 6 of 6 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 appREVIEW
+$1,500
Below-average rating (3.0★)METRIC
−$1,500
Mature app (12y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
Pre-traction phase (3 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 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.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 36 MB🔞 4+📱 iOS 7.0+🔖 v1.7.5🔄 updated 9y ago🌐 EN, DE📂 Productivity💰 Paid🚀 Launched 2013 (12y old)

📝 About this app

*** Copy your schedule of shifts in less than 30 secounds ***

*** Allways know when your shift starts ***

*** Be reminded when your working time begins ***


With our amazing and beautiful designed app, you have your schedule of shifts allways with you. Use „Shift Change“ to organize working times and enjoy the look and feel of iOS 7.

Characteristic Features:

• Create or delete a shift schedule in less than 30 seconds.

• Create various shifts using individual colors (i.e. early shift, late shift etc.).

• Minute-exact creation of shifts.

• Add a note.… View full description on the official store →

🆕 What's New · v1.7.5

This update from Apple will improve the functionality of this app. No new features are included.

Bugfixing
📅

What Worked™ · Development Pipeline

9 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 ↓ 3.80 → 3.00 (dropped 0.80★)
2026-05
💲
Went paid — introduced $0.99 price point
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2014-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
2014-07
Rating ↑ 2.57 → 2.88 (improved 0.31★)
2014-02
Rating ↓ 3.20 → 2.83 (dropped 0.37★)
2013-12
Rating ↓ 3.75 → 3.20 (dropped 0.55★)
2013-11
Rating ↑ 4.00 → 4.50 (improved 0.50★)
2013-10
🚀
First tracked snapshot — initial data captured
🗣

Voice of Customer

Based on 148 reviews across 5 markets
● 53% positive  ·  ● 17% neutral  ·  ● 30% negative  ·  Rating drift: -0.60★ (declining — recent 50: 2.4★ vs lifetime: 3.0★)
−10+12013-Q42014-Q22014-Q42015-Q12015-Q22015-Q32015-Q42016-Q12016-Q32020-Q42021-Q1
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇦🇺 AU
+0.67
🇺🇸 US
+0.54
🇬🇧 GB
+0.38
🇨🇦 CA
+0.26
🇩🇪 DE
-0.37
Top praise themes
nicht mehr ×5 sehr zufrieden ×4 shift calendar ×3 colour coding ×3 synchronisation mit ×3 apple kalender ×3 mit dem ×3 google calendar ×3
Top complaint themes
nicht mehr ×10 won't open ×7 please fix ×7 waste money ×4 leider nicht ×4 die nicht ×4 sich nicht ×4 ich habe ×4
Risk signals
Bug mentions: 12%
🌍

Multi-Country Performance

Available in 9 of 9 monitored markets
MarketRatingReviewsCurrent version
🇺🇸 US3★33★ this version
🇬🇧 GB3.78947★193.78947★ this version
🇩🇪 DE3.76712★2193.76712★ this version
🇫🇷 FR5★15★ this version
🇯🇵 JP0★0
🇨🇦 CA4★14★ this version
🇦🇺 AU4.4★54.4★ this version
🇧🇷 BR0★0
🇮🇳 IN0★0
🔔

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Profile & Insights

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

Identification

App name
Schichtwechsel
Developer
NanoGiants GmbH
Bundle ID
com.appcom.Dienstplan
App Store URL
Open in App Store
Category
Productivity
Content rating
4+
Languages
EN, DE

Company

Website
Not found
Tagline
Digitale Kundenerlebnisse, die begeistern
Description
Mit NanoGiants zu digitaler Exzellenz: Erstellen Sie Lösungen, die ihre Kunden sofort überzeugen und Ihre Bedeutsamkeit in der Oganisation schnell wachsen lassen.
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
$16.8K/mo
Top-grossing rank
Outside top 100 in US Productivity
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
twitter.com
LinkedIn
linkedin.com/company/nanogiants
GitHub
github.com/nanogiants
X followers
Not found
Public statements
Not found

Funding

Funding data not yet collected for this app.

Press & Links

Press & Links data not yet collected for this app.

Contacts & Socials

Socials
facebook facebook.com · github github.com/nanogiants · instagram instagram.com · linkedin linkedin.com/company/nanogiants · twitter twitter.com · youtube youtube.com/@nanogiants542
Email
hello@nanogiants.de
Phone
+4921141873163
Contact page
Not found
About page
Not found
📈Ratings growth3 ratings+200% lifetimeShow 3-year history estimate ▾Oct 2013Apr 2024May 2026
Tracked (19 weeks) Pre-tracking estimate (36 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 → $0.99 (+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.

Similar apps in Productivity

About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·Low confidence

Why low confidence: only 3 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.

📌 Final verdict — read this before you trust the numbers above

Schichtwechsel is a very early-stage iOS app in the productivity space with weak public traction — only 3 ratings, no founder-verified MRR, and not ranked in any monitored grossing chart. The app appears to be monetised, but public signals are too sparse for a precise revenue estimate.

Bottom line: treat all revenue, audience and acquisition-value numbers on this page as directional only — not founder-verified facts.

Frequently Asked Questions

7 answers · auto-generated from this app's public data
How much does Schichtwechsel make per month?
Low-confidence model estimate. Schichtwechsel has only 3 App Store ratings, so our revenue model has very little signal to work with — treat the ~$16K/mo figure as directional only, not a verified MRR. No founder-verified revenue data is available for this app. See methodology for the formula and confidence bands.
What apps are like Schichtwechsel?
Browse the full Productivity 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 Schichtwechsel built with?
Our heuristic places Schichtwechsel on the Native iOS (Swift / UIKit) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Schichtwechsel still actively maintained?
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 9+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Schichtwechsel last updated?
Schichtwechsel last shipped a new version on 2016-09-20 — more than 9 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Schichtwechsel?
Schichtwechsel is published by NanoGiants GmbH 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 Schichtwechsel's BU Score?
Schichtwechsel has a BU Score of 42/100 (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.