OpenChart vs BlockTrader
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
OpenChart
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OpenChart helps you find coins on the move, compare prices across exchanges, and open charts instantly. Scan the market, spot what catches your attention, and take a closer look. - No sign-up required. - No wallet connection required. - No exchange API keys required. - No ads. Just the market, at a glance. Built for fast market monitoring. - Quickly scan the market for coins that are moving - Explore fast, responsive crypto charts - Compare multiple charts side by side with multi-chart views - Compare prices for the same coin across exchanges with watchlists - Analyze charts with drawing tools and technical indicators - Get notified when prices reach your targets - Monitor prices with Home Screen widgets - Follow spot and futures market data across multiple exchanges OpenChart brings market discovery, price tracking, and chart analysis together, so you can go from finding a moving coin to understanding its chart in seconds. OpenChart is a read-only market data and charting application. It does not provide cryptocurrency trading, order placement, brokerage services, deposits, withdrawals, cryptocurrency custody, or exchange account connections. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/linktrader-privacy-policy
BlockTrader
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BLOCKTRADER is a streamlined crypto market tracking app designed to help you follow market movements with clarity. Explore cryptocurrency prices, create personalized watchlists, analyze interactive candlestick charts, view order book data, and set price alerts for the trading pairs you care about. Key features: - Track cryptocurrency prices and market changes - Create and manage custom watchlists - Explore interactive charts across multiple timeframes - Apply technical indicators including EMA, SMA, RSI, MACD, Bollinger Bands, and more - View live order book depth for supported markets - Set alerts for prices moving above or below your chosen target - Enable, disable, search, and delete alerts - Receive notifications when alert conditions are reached - Access spot and futures market data from supported exchanges - Use a clean, dark interface optimized for mobile market monitoring BLOCKTRADER is built for market observation and analysis. It does not provide investment advice, brokerage services, or guarantee the accuracy or availability of third-party market data. Cryptocurrency markets are highly volatile. Always conduct your own research before making financial decisions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: OpenChart at every 2 days against BlockTrader's every 4 days. BlockTrader's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. OpenChart sells 2 in-app purchases, starting at $3.99 per month and BlockTrader sells 4 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
OpenChart ships an update every 2 days, BlockTrader every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | OpenChart | BlockTrader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.0 | 15.1 โ better |
| Further details โ not scored | ||
| Size | 87 MB | 37 MB |
| Age rating | 4+ | 12+ |
| Developer | younghyun choi | MELISOFT |
In-app purchases
OpenChart
- OpenChart PRO$3.991 Month
- OpenChart Pro Yearly$29.991 Year
BlockTrader
- BlockTrader Pro Monthly$7.991 Month
- BlockTrader Pro Quarterly$19.993 Months
- BlockTrader Pro Semiannual$34.996 Months
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- BlockTrader Pro Annual$59.991 Year








