Comparison

OpenChart vs BlockTrader

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

Head to head
About

OpenChart

Features
Read full description

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 email address or sensitive personal information required. - No wallet connection or 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 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

About

BlockTrader

Features
Read full description

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

OpenChart4 screens
BlockTrader4 screens

Verdict

The call

The clearest difference is in-app purchases: BlockTrader at none against OpenChart's 2. BlockTrader also leads on update cadence (every 4 days vs every 8 days) and iOS requirement (15.1 vs 17.0). On price, ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OpenChart sells 2 in-app purchases, starting at $3.99 per month. BlockTrader asks for nothing beyond the download.

UpkeepUpdate frequency

OpenChart ships an update every 8 days, BlockTrader every 4 days. Both last shipped on October 10, 2026.

Scorecard3 real differences ยท 3 level
OpenChart versus BlockTrader: the parameters behind the verdict, then further details
ParameterOpenChartBlockTrader
PriceFreeFree
Update frequencyEvery 8 daysEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.1 โ€” better
Further details โ€” not scored
Size67 MB37 MB
Age rating4+12+
Developeryounghyun choiMELISOFT

In-app purchases

2 purchases

OpenChart

Subscriptions2
  • OpenChart PRO$3.991 Month
  • OpenChart Pro Yearly$29.991 Year
None

BlockTrader

No in-app purchases

Questions

Is OpenChart free?
OpenChart is free to download, with in-app purchases available.
Is BlockTrader free?
BlockTrader is free to download, with no in-app purchases.
Do OpenChart or BlockTrader have ads?
Neither OpenChart nor BlockTrader shows ads.
Which is updated more often, OpenChart or BlockTrader?
OpenChart ships an update every 8 days, and BlockTrader every 4 days. Most recently, OpenChart was updated on October 10, 2026 and BlockTrader on October 10, 2026.

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