Short answer: pick FX Replay if you trade by hand and want to practise a setup bar by bar on historical charts. Pick Tessera if your strategy can be written as rules and you want it backtested automatically over years of data, checked for overfitting and tested against prop firm rules, with the option to run it as a bot.
We make Tessera, so read this with that in mind. FX Replay's facts come from its own pricing page, checked on 12 November 2026.
| | Tessera | FX Replay |
|---|
| What it tests | A rule-based strategy, automatically | You, trading by hand on replayed charts |
| Speed | Years of data in one backtest | One bar at a time |
| Validation | Unseen period, Monte Carlo, price noise, costs, other markets | Your own practice statistics |
| Prop firms | Account test: pass rate from many start dates | Practise under challenge-style rules by hand |
| Runs it live | Yes: Launchpad on paper, cTrader or Liquid Brokers (paid plans) | No |
| Free plan | Yes, 15 backtests a week, no card | Yes, 2 sessions |
| Paid | From $39 a month | Pro $35 a month or $350 a year |