Comparison

MarketSim vs OptionMice

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 Virtual cash has no monetary value and cannot be withdrawn.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

OptionMice

Learn options trading through engaging, bite-sized lessons and interactive exercises. Master concepts from basic calls and puts to advanced strategies with gamified modules and daily challenges.

Highlights
  • Gamified lessons
  • Interactive payoff diagrams
  • Daily challenges
  • Progress tracking
  • 300+ lessons
  • 12 learning modules
Features
Read full description

OptionMice makes learning options trading as addictive as a game. Bite-sized lessons, real understanding, no jargon, no boredom. Most options courses bury you in formulas. OptionMice teaches the way your brain actually learns: short, gamified lessons that start with a plain-English analogy and build to real fluency, one concept at a time. WHAT YOU'LL LEARN • Calls, puts, and how options really work • The Greeks (Delta, Gamma, Theta, Vega), finally explained simply • Buying vs. selling, spreads, and volatility • Earnings plays, risk management, and the trader's mindset • 300+ lessons across 12 modules, from Beginner to Advanced • Ten guided strategy paths: Market Basics, Options Quick Start, Covered Calls, The Wheel, Credit Spreads, The Poor Man's Covered Call, Trading Earnings, Finding the Trade, Position Management, and The Part-Time Trader (start each one free, full paths with Premium) WHY IT WORKS • Learn by doing. Drag interactive payoff diagrams, strike builders, and volatility simulators • Daily challenges to keep your streak alive • Earn XP and level up from Paper Trader to Market Wizard • Unlock hidden rewards and collectible journal entries as you master each module • Fun Facts: eight true stories from the history of options, waiting in your Notebook • Most lessons take just 5 minutes • Track your XP, streak, and progress through every module Whether you've never bought an option or you just want to finally understand the Greeks, OptionMice meets you where you are and makes the climb genuinely fun. OPTIONMICE PREMIUM Free users get the full course, all 300 lessons, with a daily limit. Premium unlocks: • The full practice market: all eight fictional tickers, five positions at a time, with rolls and defenses (free opens one position on the week's featured name) • Ask Warren, the AI tutor: any question re-explained a fresh way, right inside the lesson • Trading DNA: your accuracy and mastery by topic, strongest and weakest areas at a glance • A personalized study plan built from your weak spots • An adaptive daily challenge that targets what you miss • No daily lesson limit • The ten guided strategy paths in full, past their free opening lessons Premium is $9.99/month or $59.99/year (7-day free trial on the annual plan). Subscriptions renew automatically until canceled in your App Store account settings. Terms of Use: https://app.optionmice.softwaremice.com/terms Privacy Policy: https://app.optionmice.softwaremice.com/privacy IMPORTANT OptionMice is an educational app. It does not provide financial, investment, or trading advice, and nothing in the app is a recommendation to buy or sell any security. All examples are hypothetical and for illustration only. Options trading involves significant risk. Always do your own research or consult a licensed professional.

Screenshots

MarketSim4 screens
OptionMice4 screens

Verdict

The call

The clearest difference is in-app purchases: OptionMice at none against MarketSim's 2. OptionMice also leads on ads (none vs shown) and review sentiment (100% vs 67%). MarketSim's advantage is ratings volume (21K vs 8). On price 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. OptionMice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OptionMice holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: MarketSim has 21K ratings behind it against 8, so its average is the more settled of the two. Written reviews point the same way: 67% of MarketSim's written reviews are positive against 100% of OptionMice's.

UpkeepUpdate frequency

MarketSim ships an update every 2 months, OptionMice every 9 days. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard8 real differences · 2 level
MarketSim versus OptionMice: the parameters behind the verdict, then further details
ParameterMarketSimOptionMice
PriceFreeFree
Rating4.6 (21K ratings)5.0 (8 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings21K — better8
Update frequencyEvery 2 monthsEvery 9 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.4 — better
Further details — not scored
Size23 MB96 MB
Age rating12+4+
DeveloperThird Line LLCSoftwareMice LLC

Customer experience

MarketSim

All ratings20,647 ratings
Positive89.7%
Neutral5.1%
Negative5.2%
Written reviews231 reviews
Positive66.7%
Neutral12.1%
Negative21.2%

OptionMice

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

OptionMice

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
None

OptionMice

No in-app purchases

Questions

Is MarketSim free?
MarketSim is free to download, with in-app purchases available.
Is OptionMice free?
OptionMice is free to download, with no in-app purchases.
Which has better reviews, MarketSim or OptionMice?
OptionMice is rated higher. MarketSim averages 4.6 out of 5 from 21K ratings, while OptionMice averages 5.0 from 8 ratings.
Do MarketSim or OptionMice have ads?
MarketSim shows ads; OptionMice does not.
Which is updated more often, MarketSim or OptionMice?
MarketSim ships an update every 2 months, and OptionMice every 9 days. Most recently, MarketSim was updated on October 18, 2026 and OptionMice on October 17, 2026.

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