Comparison

MarketSim vs Signal

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

MarketSim

Learn about the stock market and test trading strategies with a virtual stock game. Start with $10,000 virtual cash and place unlimited trades using live quotes and historical data. Monitor your portfolio with a beautiful and simple interface.

Highlights
  • Virtual stock market simulation
  • Unlimited trading with $10,000 virtual cash
  • Over 5000 tradeable symbols
  • Live stock quotes and historical data
  • Easy portfolio monitoring
  • Beautiful and simple design
Read full description

Real markets. Play money. Start with $10,000 in virtual cash and trade real stocks at real prices. Build a portfolio, try out an idea, and see how it does without risking any real money. TRADING • Buy and sell stocks with virtual cash at real market prices. • Trade by dollar amount or number of shares, including fractional shares. • Orders placed while the market is closed fill at the next open. • See every order you've placed in your order history. RESEARCH • Search for companies by name or ticker. • Browse the day's most active stocks, top gainers, and top losers. • View price charts, company profiles, and key stats. • Add stocks to your watchlist to keep an eye on them. YOUR PORTFOLIO • Follow your portfolio's value over time. • See shares, average cost, and total return for each holding. • See how each position contributes to your portfolio. • Dividends are paid and stock splits are applied automatically. MARKETSIM PREMIUM • Up to 10 portfolios, each with its own cash, holdings, and history. • Pick any starting balance from $1 to $1 billion for new portfolios. • Refresh quotes anytime with no cooldown. • No ads. MarketSim is a simulator for learning and entertainment. All trades, balances, and returns are simulated. Virtual cash has no monetary value and cannot be withdrawn. Nothing in the app is investment advice. Market data may be delayed or inaccurate, and simulated performance does not predict real investment results. Premium is an optional subscription that renews yearly until canceled. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://thirdlinellc.com/#privacy-policy

About

Signal

Features
Read full description

Trade the markets without risking real money. Practice with real data, 100x leverage, and track your performance like a pro. Learn, trade, and improve — all in one app. Core Features - Trade crypto, stocks, and commodities - Use up to 100x leverage (futures trading) - Practice long & short positions - Real-time price data & charts - Track your portfolio & PnL - Compete on the global leaderboard - No account required — start instantly Learn While You Trade - Built-in learning system - Beginner → Advanced content - Improve your trading skills step by step Why Signal? - No real money required - No risk, no pressure - Designed for learning & improvement Perfect For - Beginners learning trading - Traders testing strategies - Anyone curious about markets Disclaimer Signal is a trading simulator. No real money trading is involved.

Screenshots

MarketSim4 screens
Signal4 screens

Verdict

The call

The clearest difference is update cadence: Signal at every 3 weeks against MarketSim's every 2 months. Signal also leads on iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MarketSim sells 2 in-app purchases, starting at $19.99 per year and Signal sells 10 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MarketSim ships an update every 2 months, Signal every 3 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
MarketSim versus Signal: the parameters behind the verdict, then further details
ParameterMarketSimSignal
PriceFreeFree
Rating4.6 (21K ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings21K — better—
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size41 MB91 MB
Age rating12+4+
DeveloperThird Line LLCTung Vu

Bugs and requests

MarketSim

Reported bugs

3 issues
  • Stocks randomly showing $0 value
  • Crashes when trying to buy/sell certain stocks
  • Incorrect stock split handling

Requested features

5 requests
  • Add ability to short stocks
  • Implement stock splits and dividends
  • Include more advanced order types
  • Add portfolio tracking and analytics
  • Expand stock selection to include more options

Signal

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

MarketSim

Subscriptions1
  • MarketSim Premium$19.991 Year
One-time1
  • Remove Ads$2.99
10 purchases

Signal

Subscriptions4
  • Signal Monthly$2.991 Month
  • Signal Monthly$4.991 Month
  • Signal Annual7 Days trial$17.991 Year
Show 1 more
  • Signal Annual7 Days trial$29.991 Year
One-time6
  • Trader Pack$2.99
  • Trader Pack$3.99
  • Pro Pack$4.99
Show 3 more
  • Pro Pack$6.99
  • Signal Lifetime$49.99
  • Signal Lifetime$79.99

Questions

Is MarketSim free?
MarketSim is free to download, with in-app purchases available.
Is Signal free?
Signal is free to download, with in-app purchases available.
Do MarketSim or Signal have ads?
Both MarketSim and Signal show ads.
Which is updated more often, MarketSim or Signal?
MarketSim ships an update every 2 months, and Signal every 3 weeks. Most recently, MarketSim was updated on November 10, 2026 and Signal on October 31, 2026.

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