Comparison

Fantasy Startup vs Zetamac Arithmetic Practice

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

Head to head
About

Fantasy Startup

Learn startup investing skills and strategy risk-free through an interactive simulation. Analyze real startup scenarios, build a virtual portfolio, and track your investments' success or failure. Gain practical knowledge for venture capital and wealth building.

Highlights
  • Virtual portfolio with $1,000 starting capital
  • 50 real-world startup case studies
  • 150 bite-sized venture capital lessons
  • Leaderboard competition with friends
  • Completion certification for investors
  • Realistic startup outcomes (IPO, acquisition, failure)
Features
Read full description

Want to learn how to invest in startups — without risking real money? Fantasy Startup® is the #1 interactive simulation for learning the skills, strategy, and decision-making of startup investing. Perfect for college students, young professionals, or anyone curious about venture capital and building wealth. With $1,000 in your virtual portfolio, you’ll discover, analyze, and invest in real startup scenarios. Each company is broken down into Market Size, Team, Signals, Valuation, and Risks — just like actual investors review. You’ll need to decide in minutes whether to invest or pass. Over the course of the game, you’ll unlock up to 50 startup opportunities, track your portfolio, and watch as your investments succeed or fail through realistic startup outcomes like IPOs, acquisitions, or failures. Every in-game “day” equals a year in a startup’s life — so you’ll quickly see the results of your decisions. Key Features: - Start with $1,000 and build your own startup portfolio - 50 real-world startup case studies with instant investment choices - 150 bite-sized lessons on venture capital, angel investing, and entrepreneurial finance - Compete with friends on the leaderboard and compare portfolios - Earn points, unlock quizzes, and prove your investing skills Completion Certification: Analyze 25+ deals and achieve a 3X return multiple to become a Certified Startup Investor by Doriot Why It Matters: Startup investing is one of the fastest-growing areas of wealth building. Studies show even small exposure to private markets (up to 10% of net worth) can diversify and strengthen long-term returns. Fantasy Startup® makes this world accessible, fun, and risk-free — helping you prepare for when you’re ready to invest for real. Whether you dream of becoming a venture capitalist, want an edge in finance and entrepreneurship classes, or simply want to learn how to build wealth smarter — Fantasy Startup® is your gateway to the investing economy of the future.

About

Zetamac Arithmetic Practice

This app offers mental math practice tailored for quantitative finance professionals. It focuses on improving calculation speed and accuracy for complex numerical problems.

Highlights
  • Mental math practice
  • Quantitative finance focus
  • Calculation speed improvement
  • Accuracy enhancement
  • Numerical problem solving
Features
Read full description

Zetamac - A mental math practice app used in the Quantitative Finance world.

Screenshots

Fantasy Startup4 screens
Zetamac Arithmetic Practice4 screens

Verdict

The call

The clearest difference is review sentiment: Zetamac Arithmetic Practice at 82% against Fantasy Startup's 43%. Zetamac Arithmetic Practice also leads on rating (4.7 vs 4.2) and in-app purchases (none vs 6). Fantasy Startup's advantage is iOS requirement (15.1 vs 17.5). On price, ratings volume, ads 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. Fantasy Startup sells 6 one-off in-app purchases. Zetamac Arithmetic Practice asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Zetamac Arithmetic Practice holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 45 and 18 respectively. Written reviews point the same way: 43% of Fantasy Startup's written reviews are positive against 82% of Zetamac Arithmetic Practice's.

UpkeepUpdate frequency

Fantasy Startup ships an update every 9 months, Zetamac Arithmetic Practice daily. The most recent releases landed on June 1, 2026 and September 22, 2026 respectively.

Scorecard6 real differences · 4 level
Fantasy Startup versus Zetamac Arithmetic Practice: the parameters behind the verdict, then further details
ParameterFantasy StartupZetamac Arithmetic Practice
PriceFreeFree
Rating4.2 (45 ratings)4.7 (18 ratings) — better
Positive reviews42.9% of reviews82.4% of reviews — better
Number of ratings45 — better18
Update frequencyEvery 9 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.5
Further details — not scored
Size34 MB1 MB
Age rating4+4+
DeveloperDoriot Markets LLCJoseph Ma

Customer experience

Fantasy Startup

All ratings44 ratings
Positive77.3%
Neutral2.3%
Negative20.5%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

Zetamac Arithmetic Practice

All ratings18 ratings
Positive94.4%
Neutral0.0%
Negative5.6%
Written reviews17 reviews
Positive82.4%
Neutral17.6%
Negative0.0%

In-app purchases

6 purchases

Fantasy Startup

One-time6
  • Deal every 12 hours$0.99
  • $10,000 in-game cash$1.99
  • Deal every 6 hours$2.99
Show 3 more
  • $25,000 in-game cash$3.99
  • $50,000 in-game cash$4.99
  • At your own pace$5.99
None

Zetamac Arithmetic Practice

No in-app purchases

Questions

Is Fantasy Startup free?
Fantasy Startup is free to download, with in-app purchases available.
Is Zetamac Arithmetic Practice free?
Zetamac Arithmetic Practice is free to download, with no in-app purchases.
Which has better reviews, Fantasy Startup or Zetamac Arithmetic Practice?
Zetamac Arithmetic Practice is rated higher. Fantasy Startup averages 4.2 out of 5 from 45 ratings, while Zetamac Arithmetic Practice averages 4.7 from 18 ratings.
Do Fantasy Startup or Zetamac Arithmetic Practice have ads?
Neither Fantasy Startup nor Zetamac Arithmetic Practice shows ads.
Which is updated more often, Fantasy Startup or Zetamac Arithmetic Practice?
Fantasy Startup ships an update every 9 months, and Zetamac Arithmetic Practice daily. Most recently, Fantasy Startup was updated on June 1, 2026 and Zetamac Arithmetic Practice on September 22, 2026.

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