In an age of smart phones and tablets many people are using their portable devices for trading. Which brings us to write this post on why you shouldn't use the mobile MT4 for Android or iOS as your only trading platform.
Although this seems like common sense to experienced traders, there are quite a few people on social media who are glamorizing and encouraging new traders to "just use mobile MT4 and you'll be fine" and even some brokers who are telling their clients to use mobile MT4 as their only trading platform because it's "faster"
Mobile MT4's indicators aren't accurate
Load the RSI on your mobile MT4 and you'll see that if you draw trendlines or divergence lines on your RSI, after a few hours the mobile MT4 RSI will usually re-calculate itself and completely shift off the lines you've drawn.
Below shows the RSI on CADJPY. Several hours later you can see the trendline is no longer aligned with the indicator as previously drawn.
Mobile MT4's trendlines "move" and don't align on different timeframes
One of the most obvious issues with mobile MT4 is when you draw trendlines on the mobile chart quite frequently you'll see price totally misaligned with your trendline on other timeframes. So if you're using mobile MT4 as your primary trading platform there are many instances where one timeframe will show that price has broken or has been contained within the trendline when it's actually the opposite way around.
Below shows a trendline drawn on the GBPJPY Daily mobile chart which has "broken" resistance. Zoom down into the 4 hour mobile chart and the picture tells you a different story. Which chart is correct?
That being said we do consider MT4 for mobile to be one of the best mobile trading platforms in terms of performance, speed and usability but due to the charting issues, you should definitely be aware of before you start doing technical analysis on your mobile MT4.
Always do your primary trading on your desktop or laptop pc and only use mobile MT4 to monitor or close trades!