Can You Actually Practice Forex on an iPhone for Free?
The gate at Haneda said 40 minutes to boarding. I'd left my laptop at the hotel because I was only going overnight, and I was sitting in one of those plastic chairs scrolling through nothing in particular when it occurred to me that I could be doing something useful with this dead time. I'd been meaning to practice a pin bar setup I'd been reading about, and forty minutes was more than enough for a replay session, if I had something on my phone that could actually run one.
I opened the App Store and typed "forex practice." Most of what came up was either a price alert widget dressed up as an app, a broker's demo account (useless for accelerated practice since you're stuck in real time), or a replay simulator with a $15/month subscription wall after a 3-day trial. I'd been using Formiq on my laptop for a few months, so I searched for it specifically. Free, no trial period mentioned, replay and backtesting in the listing. I downloaded it over the airport Wi-Fi and opened it while my coffee was still hot.
Within maybe twenty seconds of signing in with Google, I was looking at a EUR/USD H4 chart with RSI loaded. The dark UI took up the full screen. Candles were properly sized, not the compressed smudges I'd expected on a 6.1-inch display. I tapped Replay, and the chart stripped away the future candles. I tapped Next Candle. Then again. Then I saw the pin bar I'd been looking for, placed a buy, set a stop loss at the wick low, and watched the next three candles go my way. I closed the trade at +22 pips, and the journal auto-recorded it.
I did this eleven more times before they called my boarding group. Twelve practice trades in forty minutes, in an airport, on my phone. That was not something I thought was possible.
What actually works on a small screen
The chart is more readable than I expected, and I think this is because Formiq doesn't try to cram everything onto the screen at once. There's no toolbar with thirty icons. The chart gets most of the real estate, with a minimal top bar showing the pair and timeframe, and the trade buttons at the bottom. Pinch to zoom works smoothly. Swiping left and right to scroll through history feels like scrolling a photo. I could identify engulfing patterns and pin bars without squinting, which is more than I can say for some desktop platforms I've used.
On the phone I almost exclusively use manual mode, advancing one candle at a time by tapping. Watching candles auto-play on a small screen is disorienting; there isn't enough visual space for your eye to track the new candle forming while also processing the overall structure. But tapping to advance is a different experience. You tap, you look, you decide, you tap again. The rhythm of it actually suits a phone better than a laptop in some ways, because the interaction is more tactile. Your thumb is doing the work, not your mouse.
The trade panel is simplified compared to the web layout, but the essentials are there: market and limit orders, lot size, SL/TP. I can go from seeing a setup to being in a trade in about three taps. The journal and PnL calendar are also on the app, so I can check my win rate and scroll through past trades during a coffee break without opening my laptop.
Where it gets difficult is multi-indicator analysis. Running Bollinger Bands and RSI in a sub-pane at the same time makes the main chart area feel cramped. I found myself stripping down to a single indicator on the phone and saving the multi-indicator work for the web version on my laptop. After a few weeks of this I realized the constraint was actually teaching me something. Watching RSI alone, with nothing else to cross-reference, forced me to understand what that one indicator was actually doing at each candle. I stopped using it as a checkbox ("RSI below 30? Buy.") and started reading it as a story.
What the app can't do, and where the web version fills the gap
The iPhone app isn't a 1:1 copy of the web version, and I want to be specific about the differences because they shaped how I use each one.
The AI assistant (Fommy) isn't on iOS. On the web, I use it as a second opinion after forming my own read on a chart. On the phone I don't have that, which means phone sessions are purely my own analysis. The no-code strategy builder, where you pick entry and exit conditions from dropdowns and run a backtest, is also web-only. The iOS app does have backtesting with preset strategies, which is, as far as I've been able to find, the only free iOS forex app that offers any form of backtesting at all. But the full condition customization lives on the web. The indicator library is also smaller on iOS. The core ones are there (RSI, MACD, Bollinger Bands, Stochastic, Ichimoku, moving averages), but some of the more specialized tools are web-only.
None of this bothers me in practice, because I don't expect my phone to be my primary analysis tool. What it is, though, is my primary practice tool. I build reps on the phone and I do analysis on the laptop. When I want the full feature set (50+ indicators, AI, the strategy builder), I open formiq.jp and everything I did on my phone is already synced and waiting. One account, one journal, one set of data. This is the part that makes the two-device setup actually stick.
If you're on Android, there's no native app, but the web version works in Chrome and renders properly on mobile. Touch gestures, replay mode, the full indicator set, AI, backtesting. Because it's the web version, you actually get more features on an Android phone than on the iOS app. Add it to your home screen and it behaves like a standalone app.
How I actually use it
After a few weeks I settled into a routine that I've stuck with since.
Mornings on my commute I open the app and run through a replay session in manual mode. Five to ten minutes, one candle at a time. I'm not doing deep analysis. I'm training pattern recognition. Can I spot my setup or can't I? If yes, I enter. If not, next candle. I got through about 60 candles and placed 4 trades on yesterday's train ride.
Evenings on the laptop are the real sessions. The web version with multiple indicators loaded, backtest runs, calendar reviews, memo writing. This is where I think. The phone is where I drill.
The gaps in between (waiting rooms, lunch, a slow afternoon) get a quick five-minute replay. Three or four trades. It doesn't sound like much, but the cumulative effect is significant. Before the phone app, my practice was one 30-minute session in the evening, maybe four days a week. Now it's that plus another 15-20 minutes distributed across the day in small chunks. The total volume almost doubled, and the habit became harder to break because there's always a phone in my pocket.
The sync is the whole point
I want to emphasize this because it's the thing that would have made me stop using the phone app within a week if it didn't exist. Every trade I take on my phone appears in my PnL calendar on the laptop. Every memo I write on the laptop is visible on my phone. It's one journal with one win rate, regardless of which device I was holding when I placed the trade.
If the phone app kept a separate trade log, I'd have abandoned it almost immediately. Fragmented data is worse than no data at all, because you start ignoring the incomplete record. The fact that my airport trades from Haneda sit right next to my evening session trades in the same calendar, under the same monthly statistics, is what makes the phone sessions feel like they count.
Should you try it
The app is free. No trial, no paywall after 30 days, no ads. You sign in with Google and you're on a chart. The worst that happens is you decide phone-sized charts aren't for you and you delete it.
I keep it in my dock now. It's the app I open when I have a few minutes and nothing pressing. That in itself is a kind of endorsement: it replaced the reflex of opening social media, which is something no other trading tool has managed to do.
If you want the full experience (and you should eventually), the web version is where the depth lives. But the phone is where the habit starts.
Formiq is available as a free iOS app and on the web. Your data syncs between both.