If this is you
Choose Forex Tester
You scalp and need tick level data, watch several synced charts or test coded strategies next to manual ones. Or you want minimum days in prop firm practice, or work offline.
BacktestFlow vs Forex Tester
A Forex Tester alternative that measures how you execute
Forex Tester Online and BacktestFlow both replay forex in the browser for manual testing. Forex Tester Online goes wide: tick data over up to 23 years, up to 10 synced charts, coded strategies. BacktestFlow goes deep on execution: a record you cannot skip, findings that must pass a significance check and, on paid plans, discipline as a statistic.
4rows BacktestFlow leads
8rows Forex Tester leads
0prices quoted: they change, check them at the source
Which Forex Tester
Two products under one name.
Forex Tester began as desktop software, and the desktop version still exists: its site says you can backtest “with no internet connection”. The main product today is Forex Tester Online, which runs in any browser, on desktop and mobile, with nothing to download or install.
This page compares BacktestFlow with Forex Tester Online, and mentions the desktop version where it changes the answer. Older comparisons that pit a browser tool against Forex Tester on installation alone are out of date: both now open in a browser tab.
Side by side
Feature by feature. Where one tool leads, its cell is marked: 4 rows for BacktestFlow, 8 for Forex Tester. Every claim about Forex Tester is sourced and dated below.
| Feature | Forex Tester | BacktestFlow |
|---|---|---|
| Recording every trade | Trades and notes are kept in the backtest project | LeadsEvery close opens a write up with notes, tags, checklist and screenshots, and the replay waits until it is saved. The record is complete by construction |
| Findings and significance | Data driven recommendations, a Trade Analyzer, and analysis of which sessions and market conditions work best | LeadsFlow Coach runs 28 analyses. A finding is kept only if it passes a significance check, and a report may only quote numbers the engine measured. On the Max plan every report, on the others the first per strategy and lens |
| Discipline metrics | Tracks whether your higher confidence trades actually perform better | LeadsPlanned against captured R:R, target hit rate and position sizing consistency on every plan; the checklist discipline score on paid plans |
| Forex specific analysis | Session analysis inside a platform that also covers stocks, futures and ETFs | LeadsStatistics in pips, candles on the DST aware 17:00 New York session grid, and on paid plans, performance by trading session |
| Price data | LeadsTick by tick data that forms each candle, with spreads, swaps and commissions simulated; the smallest chart timeframe is 1 minute | 1 minute OHLC candles from bid prices; no tick data and no spread modeling |
| Historical data depth | LeadsUp to 23 years depending on the asset: EURUSD, GBPUSD, USDJPY and gold from May 6, 2003 | Forex from 2010 to 2015 depending on pair: GBPUSD and AUDUSD from 2010, EURUSD from 2012. Gold from 2011 |
| Instrument coverage | Leads283 assets: 112 currency pairs plus commodities, indices, stocks, futures, ETFs and crypto. The desktop data package lists 860+ symbols | 41 instruments on paid plans, forex first: 28 pairs plus metals, energy, the dollar index, four stock indices, BTC and ETH. The free plan has 8 of them |
| Several charts at once | LeadsUp to 10 synced charts, across different symbols and timeframes | One instrument per session |
| Coded strategies | LeadsBacktests trading robots, and portfolios that mix robots with discretionary trading | Manual by design: every trade is placed by hand |
| Jumping through history | LeadsJumps to indicator crossovers, level touches, session opens and news events, with an economic calendar and a blind mode that hides the instrument and dates | Each session starts on a date you pick and moves forward candle by candle |
| Prop firm training | LeadsProp Firm Simulator: account size, profit target, daily and total drawdown and minimum days, run as often as you like, with an optimizer | On paid plans, a challenge mode: profit target, daily and max drawdown on equity, open positions included, and a locked Passed or Failed result |
| Exit optimization | LeadsExit Optimizer finds the stop loss, take profit and holding time that fit your trades, including history imported from MetaTrader, TradingView or NinjaTrader | Not offered. Live trades are entered by hand in the journal rather than imported |
| Journal | Unlimited tags, one click screenshots, checklists and a confidence level on each trade, written as you backtest | A separate journal for live trades, with its own statistics and reports. In replay, each write up holds tags, checklist and screenshots, which can be captured automatically on close |
| Where it runs | Any browser, desktop or mobile. The separate desktop version works without an internet connection | Nothing to install: runs in the browser, the same on macOS, Windows and Linux |
| Trying it | A free demo, no credit card required | A free plan, no credit card: the replay, the full trade record and the Verdict and Edge statistics on 8 instruments, up to 50 backtest trades |
Where BacktestFlow leads
Built deeper for forex traders who trade by hand. The reasons to pick BacktestFlow, each with the mechanism behind it.
“Backtest combined algorithmic and discretionary trading systems in comprehensive portfolio scenarios”
Forex Tester Online covers robots and discretionary trading together. BacktestFlow is built for the trader who places every trade by hand, and it records how each one was executed.
A record you cannot skip
Every close opens a write up with notes, tags, your checklist and screenshots, and the replay waits until it is saved. Screenshots can be captured automatically on close. A session cannot end with half its trades missing, the usual route to a sample too thin to conclude anything from.
Findings that have to pass a test first
Flow Coach runs 28 analyses across backtest and journal. It keeps a pattern only if it passes a significance check: a 90% Wilson interval and a group of at least 8 trades. The written report may only quote numbers the engine measured, so a lucky streak does not become a finding. See the full metric list.
Planned against captured risk to reward
On every plan, the statistics measure the share of planned risk to reward captured, target hit rate and sizing consistency. On paid plans, your checklist becomes a discipline score too. Those numbers separate a broken strategy from a broken execution of a good one. See why your backtest doesn't match your live trading.
Forex in pips, on the session grid
Statistics read in pips as well as R, % and money. Multi hour candles sit on the DST aware 17:00 New York grid, so H4 candles match tradingview.com through every daylight saving change. On paid plans, results break down by trading session. More on the session breakdown.
Your rules become the yardstick
Describe your strategy in plain words and it becomes a strategy card with a checklist. Every trade is then measured against the rules you wrote. On paid plans you can also draft it from the strategy form, or dictate it.
Where Forex Tester leads
When Forex Tester fits better. Where the job decides it.
You scalp or trade very tight stops.
Inside a single candle, tick data with simulated spreads, swaps and commissions matters most. For that work, Forex Tester Online is the better fit.
You run robots as well as setups.
Forex Tester Online tests trading robots, and portfolios that mix them with discretionary trades. If code is part of your process, it is the better fit.
You read several markets at once, or work offline.
If your setups depend on correlated pairs or timeframes side by side, Forex Tester Online is the better fit. Its desktop version also runs without a connection.
The short answer
Which should you use?
If this is you
Choose BacktestFlow
You trade forex by hand and want to know whether you followed your own process. You want every trade recorded, findings that state their uncertainty and, on paid plans, discipline metrics.
Already on Forex Tester for its data? BacktestFlow adds a different question: did you follow your own process, trade after trade? Both let you try before paying: a demo there, a free plan here.
Beyond these two
Other Forex Tester alternatives. BacktestFlow is one answer, not the only one. Other tools people weigh against Forex Tester, each in a line, from its own published material.
FX Replay
A browser based backtesting platform across futures, forex, stocks, indices and crypto. It has a seconds timeframe, a prop firm simulator, Mentor AI and its own indicator language. BacktestFlow vs FX Replay. Head to head with Forex Tester: FX Replay vs Forex Tester.
Soft4FX
A manual simulator that runs inside MetaTrader 4 or 5, with tick data and real variable spreads. You need MetaTrader installed. BacktestFlow vs Soft4FX.
TradingView Bar Replay
Replays almost any market TradingView lists, with every chart in a layout in sync. Its documentation says orders during replay execute on real time data, and it keeps no trade record. BacktestFlow vs TradingView Bar Replay.
TradeZella
A journal first platform with three backtesting modes: guided scenarios, manual replay and automated runs from rules written in plain English. It adds auto journaling from 500+ brokers. BacktestFlow vs TradeZella.
BacktestingMax
Replays 1 minute historical data on TradingView charts, with an AI that can backtest a strategy for you and a prop firm challenge simulator. BacktestFlow vs BacktestingMax.
FAQ
Frequently asked questions. About Forex Tester, and about the differences.
Forex Tester is a backtesting platform for manual and algorithmic strategies. Its main product, Forex Tester Online, runs in the browser: tick data up to 23 years back, 283 assets and up to 10 synced charts. It adds a prop firm simulator, an Exit Optimizer and a trading journal. A desktop version still exists and works offline.
Forex Tester Online leads on data depth, market breadth and coded testing. BacktestFlow leads on measuring your execution. It measures planned against captured risk to reward and sizing consistency on every plan, and scores checklist discipline on paid plans. The replay waits until every trade is recorded, and Flow Coach keeps a finding only if it passes a significance check.
Forex Tester Online, on depth: tick data over up to 23 years, with EURUSD, GBPUSD and USDJPY from May 2003. BacktestFlow replays 1 minute candles, with forex history from 2010 to 2015 depending on pair. For strategies on 15 minute charts and above, one minute candles are usually enough. Tick data matters mainly for scalping and very tight stops.
Forex Tester Online does: it runs in any browser on macOS, Windows, Linux, Android and iOS. The older desktop version is Windows software, and Forex Tester's own guide describes running it on a Mac through Parallels Desktop. BacktestFlow runs in the browser and behaves the same on macOS, Windows and Linux.
The replay chart carries the TradingView Charting Library indicators and drawing tools, plus two built in studies: Session Indicator and TDI. On the Max plan, a developer rebuilds the Pine Script® indicator you already trade, by hand, so it behaves like the original.
Besides BacktestFlow, five tools come up. FX Replay is a browser platform across futures, forex, stocks, indices and crypto, with seconds data. Soft4FX is a simulator inside MetaTrader with tick data. TradingView Bar Replay is for practicing chart reading. TradeZella is a journal with manual and automated backtesting. BacktestingMax is a replay tool on TradingView charts with a free plan.
Sources
Check it yourself. Every claim about Forex Tester on this page was checked against its own published material in October 2026.
- Forex Tester Online, product site (features, asset list, FAQ)
- Forex Tester Online, prop firm challenge simulator
- Forex Tester Desktop, product site
- Forex Tester, How to run the simulator on a Mac
- FX Replay, product site (features, asset list, FAQ)
- Soft4FX, Forex Simulator
- TradingView, Bar Replay: how and why to test a strategy in the past (official documentation)
- TradeZella, backtesting features
- BacktestingMax, product site
We quote no prices: they change often, so check them at the source. Software changes too, so if something here is out of date, it is an error rather than a position, and it gets corrected.
BacktestFlow is not affiliated with, endorsed by, or sponsored by Forex Tester or any other tool named on this page. Forex Tester and the other product names are trademarks of their respective owners. Forex Tester's site blocks automated access, so its claims were checked by hand in a browser. Check current details at the source.
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