Principle: Stock Backtest Sim
Backtest before you risk money
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
Test it before you risk money. Build your trading rules without code and check them on past data. Free tokens when you sign up.
How long will you keep investing on gut feeling?
Build your trading rules without code. Test them on US and Korean stocks.
Combine moving averages, stop-loss, and partial take-profit to backtest your strategy.
For education and entertainment only. Past simulation does not predict future results.
Build rules. Let the data answer.
-- Rule Builder
- Set moving average periods, stop-loss, and take-profit with a few taps
- No coding required, ready in 1 minute
- Combine partial buy/sell, multi-stage take-profit, and more
-- Historical Backtest
- US and Korean daily stock data
- 1 token per stock
- Cached results reuse on identical conditions (no extra token)
-- Result Analysis
- Cumulative return chart
- Buy/sell signal markers on the price chart
- Maximum drawdown, win rate, average holding period and more
-- Share Your Rules
- Share your rules with friends
- Import rules from others and backtest them yourself
-- Invite Friends
- Verify more, together
- Share your invite code; when a friend signs up and enters it,
- you and your friend each get 15 tokens (up to 10 invites per month)
-- Token Packs
- 4 token packs: 10 / 33 / 115 / 600 tokens
- Larger packs include more bonus tokens
-- Disclaimer
- This app is an education and entertainment simulation tool.
- This app does NOT provide investment advice, stock picks, or trading signals.
- Backtest results are simulations based on past data and do not guarantee future returns.
- This app is NOT connected to live trading.
- The company assumes no responsibility for any losses in actual trading.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes and improvements.
The developer, 주식회사 유자, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Contact Info
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yuja Incorporated
- Size
- 59.7 MB
- Category
- Finance
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Korean
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- 10 Tokens $1.99
- 600 Tokens $59.99
- 115 Tokens $14.99
- 33 Tokens $4.99
- Copyright
- © 2026 주식회사 유자