maruLab World vs Batter Forge
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
maruLab World
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Marulab World is a finance simulation RPG where you practice investing with in-game cash, not real money. Investing feels scary because a wrong call costs real money. Here, you're free to get it wrong. Buy and sell Korean stocks, US stocks, and crypto with virtual cash, and get a feel for how markets actually move. ■ PAPER TRADING AT REAL MARKET PRICES • Prices for Korean stocks, US stocks, and crypto follow the real market • Place market and limit orders, and modify or cancel pending ones, just like on a real trading app • Look back at charts and your trade history to see whether your calls were right • After you sell, a results screen shows your realized P&L and the EXP you earned • When a limit sell order fills, you'll get a note in your in-game Inbox • Every trade uses in-game cash only ■ LEARN FINANCE WITH QUIZZES AND NEWS • Follow the story in Duru's Study, take quizzes, and review explanations and every question you missed • Build your knowledge one bite-sized article at a time • Catch the day's top market headlines, all in one place ■ GROW YOUR CHARACTER • Start out Jobless, then get promoted to Part-timer, Intern, Office Worker, Freelancer, Investor, and finally CEO • Higher jobs pay a bigger Daily Wage and more Idle Earnings, which pile up while you're away • The promotion screen sums up your new job, your level, and what you've just unlocked • As you level up, you branch out from crypto into Korean and US stocks and unlock margin trading • You can also hold more stocks and coins at once and place more buy orders per day • Chart indicators unlock one by one as you get promoted ■ MAKE THE PLACE YOURS • Move up through five homes, from a cozy studio all the way to a penthouse • Buy and arrange furniture, hang framed pictures on the walls, and even move your windows • Keep your place clean, comfy, and secure, or trouble like roaches and mold starts popping up • The view outside your window changes with the day's market mood and the real time of day where you are ■ SOMETHING TO DO EVERY DAY • Check in, clear daily and weekly missions, and collect your Daily Wage and Idle Earnings • Take a quick break with mini-games like Drink Maker, Receipt Sorting, and Stock Sorting, and earn some in-game cash on the side ■ PLAY WITH OTHERS • Post to the community feed, visit other players' rooms, and leave guestbook messages • Talk in world chat or send whispers (private messages) • Compete on the weekly leaderboard for the best return, and see how your return last week stacks up against the KOSPI, Korea's main stock market index • Community and chat are shared with players in Korea, so you'll see posts and activity updates in Korean ■ PERFECT FOR YOU IF • You want to start investing but aren't ready to put real money in • You want to learn financial terms from the basics, step by step • You want studying to feel like a game, so it's easy to stick with • You love decorating rooms and leveling up characters ■ PLEASE NOTE • Marulab World is for education and entertainment only. All assets and trades in the game are simulated. Trades never use real money, and no real orders are ever placed. • In-game cash, Maru Gems, and the stocks and crypto you hold in the game cannot be exchanged for real money or prizes, and cannot be transferred out of the app. • "Deposit" and "Withdraw" in the app only move in-game cash between your Cash balance and your Investment Account. • Marulab World does not provide investment advice. "Random Stock Draw" shows one popular stock at random, just for fun. It is not a recommendation to buy. • Market price data is provided for learning only and should not be used as the basis for real trades. • Some items, including Maru Gems, Packages that include in-game cash, and the Monthly Pass, are sold as in-app purchases.
Batter Forge
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Auto swings. Your upgrades. Craft bats, helmets, and uniforms. Compare new gear, build your batter, and take on tougher pitchers in Batter Forge, an idle baseball RPG where every upgrade gives you a new choice. EQUIP IT OR SELL IT? Check each new item against your current gear. Equip an upgrade or sell what you don't need. Mix equipment and set bonuses to find a build that works for your batter. UNLOCK AUTO BATTING AND CRAFTING Unlock auto batting and auto crafting as you progress. Set gear filters to review the items that matter to you, and collect offline rewards when you return. YOUR BATTER. YOUR BUILD. Train for more power or better contact. Combine training and equipment, then scout coaches to strengthen your batter. STEP UP TO THE NEXT CHALLENGE Take on tougher pitchers as you advance through the stages. Test your progress in Home Run Derby and dungeons. What will your next piece of gear change? Craft your first bat and find out.
Screenshots
Verdict
The clearest difference is update cadence: Batter Forge at every 5 days against maruLab World's every 2 weeks. 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
Both are free to download. maruLab World sells 10 one-off in-app purchases and Batter Forge sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
maruLab World ships an update every 2 weeks, Batter Forge every 5 days. Both last shipped on October 31, 2026.
| Parameter | maruLab World | Batter Forge |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 294 MB |
| Age rating | 4+ | 4+ |
| Developer | Tori Edufin Inc. | SOLMATTER Co., Ltd. |
In-app purchases
maruLab World
- 300 Mar Gems$1.99
- Starter Package$1.99
- 550 Maru Gems$2.99
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- Minigame Pack$2.99
- Ad-Free Pass (30 Days)$3.99
- 1,200 Maru Gems$6.99
- Monthly Pass$6.99
- 3,300 Maru Gems$17.99
- 7,000 Maru Gems$34.99
- 13,500 Maru Gems$59.99
Batter Forge
- 120 Gems$0.99
- Draft Pack$2.99
- Forge Package$2.99
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- 420 Gems$2.99
- Postseason Pack$5.99
- Level Fund$6.99
- Forge Fund$6.99
- Season Pass Plus$14.99
- Weekly Bundle$17.99
- Weekly Bundle+$39.99









