Comparison

MarketSim vs TaxFlowAI

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 Virtual cash has no monetary value and cannot be withdrawn.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

TaxFlowAI

Features
Read full description

TaxFlowAI makes tax season simple. Upload your T4s, RL slips, and other tax documents directly from your phone. Our AI automatically organizes and categorizes everything, while your accountant reviews and approves each document in real time. How It Works: 1. Sign up and connect with your accountant 2. Upload your tax documents, anywhere 3. AI analyzes and organizes everything automatically 4. Your accountant reviews and files your taxes 5. Get notified when your return is complete Stop chasing paperwork. Start filing smarter with TaxFlowAI.

Screenshots

MarketSim4 screens
TaxFlowAI4 screens

Verdict

The call

The clearest difference is in-app purchases: TaxFlowAI at none against MarketSim's 2. TaxFlowAI also leads on ads (none vs shown) and update cadence (daily vs every 2 months). 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. TaxFlowAI asks for nothing beyond the download.

UpkeepUpdate frequency

MarketSim ships an update every 2 months, TaxFlowAI daily. The most recent releases landed on October 29, 2026 and September 25, 2026 respectively.

Scorecard4 real differences · 6 level
MarketSim versus TaxFlowAI: the parameters behind the verdict, then further details
ParameterMarketSimTaxFlowAI
PriceFreeFree
Rating4.6 (21K ratings) — better—
Positive reviews66.5% of reviews—
Number of ratings21K — better—
Update frequencyEvery 2 monthsDaily — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size41 MB18 MB
Age rating12+4+
DeveloperThird Line LLCIhab Saloum

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

TaxFlowAI

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

TaxFlowAI

No in-app purchases

Questions

Is MarketSim free?
MarketSim is free to download, with in-app purchases available.
Is TaxFlowAI free?
TaxFlowAI is free to download, with no in-app purchases.
Do MarketSim or TaxFlowAI have ads?
MarketSim shows ads; TaxFlowAI does not.
Which is updated more often, MarketSim or TaxFlowAI?
MarketSim ships an update every 2 months, and TaxFlowAI daily. Most recently, MarketSim was updated on October 29, 2026 and TaxFlowAI on September 25, 2026.

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