
64
BU Score
Solid
Sort Stack
✍️ BU Analytics Review
“
Sort Stack is an Android app from Vnstart LLC in the Puzzle category, currently rated 4.5★ across 4,915 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 64 — Solid (established niche player). For a Puzzle app, that means established niche player.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
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 4 of 4 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 | |
| Low install base (4,915 ratings)METRIC | +$1,500 | |
| Established app (5y old)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.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.0.10🔄 updated 8mo ago📂 Puzzle💰 Free📺 Ad-supported💎 IAP $0.99 - $5.99 per item🚀 Launched 2020 (5y old)
📝 About this app
Ring classification of many colors in which you need to create a stack using rings of different colors.
Have fun creating stacks with hoops by playing this game for free! Challenge your brain.
- Only one ring can be moved at a time.
- Moves consist of taking the upper ring from one of the stacks and placing it on top of another stack.
- Put rings of the same color on a stack.
This is a completely new addictive game that is easy to play and hard to master with unlimited gameplay.
Featured:
- 2000 Puzzles and more to be added.
- Lots of selection of ring types and backgrounds.
- The game does not limit time and does not require a network connection.
- Hoop Stack will keep you hooked for hours!
Have fun creating stacks with hoops by playing this game for free! Challenge your brain.
- Only one ring can be moved at a time.
- Moves consist of taking the upper ring from one of the stacks and placing it on top of another stack.
- Put rings of the same color on a stack.
This is a completely new addictive game that is easy to play and hard to master with unlimited gameplay.
Featured:
- 2000 Puzzles and more to be added.
- Lots of selection of ring types and backgrounds.
- The game does not limit time and does not require a network connection.
- Hoop Stack will keep you hooked for hours!
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sort Stack
- Developer
- Vnstart LLC
- Bundle ID
- com.vnstartllc.sorter.stack
- App Store URL
- Open in App Store
- Category
- Puzzle
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- vnstart.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $952/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $0.99 - $5.99 per item
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth4,915 ratings+67% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
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.
More by Vnstart LLC
View all →Water Color Sort
★ 4.4 · 251,233 reviews
Sorter It Puzzle
★ 4.6 · 15,514 reviews
Dom Dice Merge
★ 4.4 · 12,805 reviews
The Archer Warrior
★ 4.1 · 6,970 reviews
Jigsaw Hexa Block
★ 4.1 · 1,076 reviews
Hexa Jigsaw Collection HD
★ 4.4 · 999 reviews
Draw Poise : Touch Drawing
★ 3.0 · 226 reviews
KungFu Fighting Warrior
★ 3.7 · 131 reviews
More Puzzle
Royal Match
★ 4.6 · 10,231,194 reviews
Fishdom
★ 4.6 · 6,706,596 reviews
Brain Out®: Can you pass it?
★ 4.5 · 5,885,040 reviews
Toon Blast
★ 4.6 · 4,567,213 reviews
Toy Blast
★ 4.7 · 3,207,048 reviews
Sudoku - Classic Sudoku Puzzle
★ 4.8 · 2,946,176 reviews
Cut the Rope
★ 4.5 · 2,717,049 reviews
Bubble Witch 3 Saga
★ 4.7 · 2,702,680 reviews
Browse BU Analytics
📚 All 55,000+ Books
🜍 Alchemy & Hermeticism
🔮 Magic & Ritual
🌙 Witchcraft & Paganism
⭐ Astrology & Cosmology
🃏 Divination & Tarot
📜 Puzzle
✡️ Kabbalah & Jewish Mysticism
🕉️ Mysticism & Contemplation
🕊️ Theosophy & Anthroposophy
🏛️ Freemasonry & Secret Societies
👻 Spiritualism & Afterlife
📖 Sacred Texts & Gnosticism
👁️ Supernatural & Occult Fiction
🧘 Spiritual Development
📚 Esoteric History & Biography
Info
About BU Analytics 



