77
BU Score
Strong
MarketSim
✍️ BU Analytics Review
“
MarketSim is an iOS app from Third Line LLC in the Finance category, currently rated 4.6★ across 19,975 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 77 — Strong (healthy traction). For a Finance app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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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 11 of 11 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (19,975 ratings)METRIC | +$5,500 | |
| Excellent rating (4.6★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| securityREVIEW | +$1,800 | |
| Mature app (9y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| support teamREVIEW | +$900 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)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.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Feb 25
Mar 25
Apr 25
Jun 25
Jul 25
Aug 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26
⭐ 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 →💾 17 MB🔞 4+📱 iOS 15.0+🔖 v2.6.3🔄 updated 2mo ago🌐 EN📂 Finance💰 Paid🚀 Launched 2016 (9y old)
📝 About this app
Welcome to MarketSim, a simple, easy, and fun virtual stock market game. You start off with $10,000 in virtual cash and can place unlimited trades. Our beautiful design and simplicity helps users learn the stock market, monitor their stocks, and test trading strategies. Here’s just a few of the reasons users love MarketSim:
- Over 5000 symbols to trade
- Unlimited trading
- Beautiful design
- Live stock quotes and historical data
- Easy portfolio monitoring
Currently, we offer securities from the following exchanges:
- Nasdaq
- NYSE
- NYSEArca
- Cboe BZX US Equities Exchange
- NYSE American
Note: This app is intended to be used for informational and entertainment purposes only. No real trades will ever be placed. No real money is involved.
Market data is provided “as is” and is not guaranteed to be accurate. Nothing in this app serves as a recommendation to buy or sell any security.
Data provided Financial Modeling Prep
- Over 5000 symbols to trade
- Unlimited trading
- Beautiful design
- Live stock quotes and historical data
- Easy portfolio monitoring
Currently, we offer securities from the following exchanges:
- Nasdaq
- NYSE
- NYSEArca
- Cboe BZX US Equities Exchange
- NYSE American
Note: This app is intended to be used for informational and entertainment purposes only. No real trades will ever be placed. No real money is involved.
Market data is provided “as is” and is not guaranteed to be accurate. Nothing in this app serves as a recommendation to buy or sell any security.
Data provided Financial Modeling Prep
🆕 What's New · v2.6.3
Thank you for using MarketSim! This version includes bug fixes and enhancements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- MarketSim
- Developer
- Third Line LLC
- Bundle ID
- William-Pratt.MarketSim
- App Store URL
- Open in App Store
- Category
- Finance
- Content rating
- 4+
- Languages
- EN
Company
- Website
- thirdlinellc.com
- Tagline
- Third Line LLC
- Description
- Third Line LLC
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $16.7K/mo
- Top-grossing rank
- Outside top 100 in US Finance
- All-time revenue
- Not found
- Pricing
- Not found
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
- contact@thirdlinellc.com
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
📈Ratings growth19,975 ratings+26% lifetimeShow 3-year history estimate ▾
Tracked (55 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.
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.
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