Short answer: pick TradeZella if you're a discretionary day trader who reviews with replay and playbooks and wants a polished journal with broad broker sync. Pick Tessera if your trades come from rules or an algo: it backtests and validates strategies, tests prop firm rules, runs strategies as bots, and its journal tests rule changes on the trades you actually took. Tessera has a free plan; TradeZella doesn't.
We make Tessera, so read this with that in mind. TradeZella's facts come from its own pages, checked on 12 November 2026.
| | Tessera | TradeZella |
|---|
| Built around | Building, validating and running a strategy, plus a journal | A journal with replay, playbooks and backtesting |
| Backtesting | Strategy Lab: plain English or no-code, 1-minute to daily, up to 20 years | Manual bar-by-bar replay; AI backtests in beta on Pro and Ultra |
| Validation | Unseen period, Monte Carlo, price noise, costs, other markets | No walk-forward, Monte Carlo or optimisation on its pages |
| Prop firm test | Account test against challenge rules | Not offered as a simulation |
| Rule changes on your trades | Yes: entry filters and exits replayed on real candles | No |
| Runs it live | Launchpad on paper, cTrader or Liquid Brokers (paid plans) | No |
| Free plan | Yes, no card | No free plan or trial listed |
| Price | Standard $39, Plus $99, Pro $249 a month | Essential $35, Pro $59, Ultra $99 a month |