Short answer: pick TradeZella if your review revolves around replaying sessions, playbooks and prop firm accounts, and you are happy to pay for Pro. Pick TraderSync if you want an AI assistant in chat, market replay and a free journal to start on, usually at a discounted price. Both are built for discretionary traders. If your trades come from an algo or rule based strategy, see the section on when neither fits.
We make Tessera, which competes with both, so this page sticks to facts each vendor publishes. Prices and features were checked on each vendor's own pages as of November 2026, in US dollars before tax.
| | TradeZella | TraderSync |
|---|
| Price from | Essential $35 a month ($26 billed yearly) | Pro $29.95 a month list price, usually shown discounted |
| Higher plans | Pro $59 ($44 yearly), Ultra $99 ($74 yearly) | Premium $49.95, Elite $79.95 list |
| Free tier | No free plan or trial listed | Free journal with limits |
| Broker connections | Sync across 500 plus brokers and prop firms. Accounts: 1, 50 or unlimited by plan | MT4, MT5, IBKR and many others by sync. NinjaTrader by file |
| Replay | Trade Replay on Pro and Ultra | Market replay, precision rises by plan |
| AI | Zella AI credits by plan. Zella Agents on Pro and Ultra | Cypher assistant, message limits by plan |
| Backtesting | Manual bar by bar on every plan. AI backtests on Pro and Ultra | Backtester and market replay on historical data |
| Tests rule changes on your own trades | No | No |
| Exports a rule to TradingView Pine | No | No |