★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: ProjectionLab checked July 22, 2026
Tool Comparison
Portfolio123 vs ProjectionLab
Pick Portfolio123 if
Portfolio123
Free • From $25/mo · Web · API · Desktop
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
- You care about screeners, quant, and stock ideas, things ProjectionLab doesn't offer
Pick ProjectionLab if
ProjectionLab
Free • From $129/yr · Web
- You want the cheaper way in: plans start at $10.75/mo instead of $25/mo
- You care about retirement calculator, monte carlo, and scenario & stress tests, things Portfolio123 doesn't offer
- You're a long-term investor who cares more about fundamentals than headlines
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
Portfolio123 and ProjectionLab cover a lot of the same ground (3 shared categories, data visualizations, portfolio, and backtesting), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to ProjectionLab's 7, including screeners, quant, and stock ideas. ProjectionLab counters by starting cheaper at $10.75/mo.
What readers say
Portfolio123
Vote once to reveal the community verdict.
ProjectionLab
Vote once to reveal the community verdict.
Key differences at a glance
- Cheaper paid plan
- ProjectionLab$10.75/mo vs $25/mo
- Broader coverage
- Portfolio12319 vs 7 categories
- Desktop app
- Portfolio123
- API access
- Portfolio123
- Real-time data
- Portfolio123
- Broker sync
- Portfolio123
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • From $25/mo | Free • From $129/yr |
Free tier | Yes | Yes |
Free trial | — | — |
Plan limits | Free Screener & Backtesting Access: duration days: 30 | Pro: included client seats: 10 and Pro: additional client seat price per month usd: 2 |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | Yes | No |
Mobile app | No | No |
API access | Yes | No |
Broker sync | Yes | No |
Integrations | Interactive Brokers and Tradier | — |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | Retail Traders, Pro Retail +5 more | Retail Traders, Long-term Investors +1 more |
Categories covered | 19 | 7 |
Regions | North America, Europe | — |
| Data & capabilities | ||
Data quality | 5 signals: Latency: Real-time and End of Day, Granularity: EOD +3 more | — |
Data partners | 4 partners: FactSet, S&P Global Market Intelligence +2 more | — |
Capabilities | 6 signals: Custom formulas, Ranking backtests +4 more | Monte Carlo |
| Try it | Visit Portfolio123 | Visit ProjectionLab |
Where each one shines
What Portfolio123 and ProjectionLab each do best.ShowHide
Where each one shines
What Portfolio123 and ProjectionLab each do best.What Portfolio123 does best
- Tools for building multifactor ranking systems, stock screens, ETF screens, and complete rules-based strategies through a web research environment.
- Tools for running simulations and backtests with long historical equity data, custom universes, buy and sell rules, position sizing, hedging, rebalancing, and realistic assumptions.
- Point-in-time data designed to avoid survivorship and look-ahead bias, with fundamentals, estimates, corporate actions, sector and industry classifications, and historical issues.
- Tools for creating ranking systems from fundamental, technical, sentiment, and macro factors, including public factor documentation and FRED-linked economic series.
- AI Factor to train machine-learning predictors for expected returns and feed those predictions into rankings, simulations, and asset-level analysis.
What ProjectionLab does best
- Build long-range personal financial plans around income, expenses, assets, liabilities, family milestones, housing decisions, retirement timing, and financial-independence goals.
- Run Monte Carlo simulations to examine a range of possible outcomes and estimate a plan's chance of success under user-selected assumptions.
- Backtest plans against historical periods and explore the effect of market volatility, black-swan events, different investment strategies, and portfolio blends.
- Review year-by-year projections for net worth, estimated taxes, cash flow, account drawdown, and legacy outcomes.
- Compare what-if scenarios such as changing retirement dates, working part-time, taking time off, buying a home, moving, or adjusting spending and saving.
Every detail we compared
Every tracked attribute for Portfolio123 and ProjectionLab, side by side.ShowHide
Every detail we compared
Every tracked attribute for Portfolio123 and ProjectionLab, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsClosed-End Funds | StocksETFsBondsMutual FundsReal EstateOther |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers | Retail TradersLong-term InvestorsFinancial Advisors |
Regions | North AmericaEurope | Not specified |
Coverage details | Countries: US and CAIdentifiers: Ticker | Not specified |
| Data | ||
Data freshness | Real-timeEnd of Day | Not specified |
Data granularity | EOD | Not specified |
Data partners | FactSetS&P Global Market IntelligenceICE Data ServicesFRED | Not specified |
| Access & integrations | ||
API protocols | REST | Not specified |
API auth & delivery | Auth: APIKeySDKs: PythonDocs | Not specified |
Import methods | BrokerOAuthCSV | Manual |
Integrations | Interactive BrokersTradier | Not specified |
Export formats | CSVJSON | Not specified |
| Plans & trust | ||
Capability signals | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation | Monte Carlo |
Vendor & support | Portfolio123Support: Forum | ProjectionLab LLCSupport: Email |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.| Tier | ||
|---|---|---|
| Free plan | Free“Manage (Free)” | Free“Basic” |
| Entry paid plan | $25/mo“Retail Research Plans” | $129/yr≈ $10.75/mo“Premium” |
| Top plan | — | $549/yr≈ $45.75/mo“Pro”included client seats: 10 · additional client seat price per month usd: 2 |
| Custom / enterprise | Contact sales“Professional / API & Data Licenses” | — |
Questions we keep getting
What's the difference between Portfolio123 and ProjectionLab?
Portfolio123 leans toward screeners, data visualizations, and quant, while ProjectionLab puts more weight on retirement calculator, monte carlo, and backtesting. They overlap in 3 categories, so for most people it comes down to workflow preference and price.
How much do Portfolio123 and ProjectionLab cost?
Good news: both Portfolio123 and ProjectionLab have free plans, so you can run them side by side and only pay if you hit a wall.
Does Portfolio123 or ProjectionLab have an API?
Portfolio123 has an API for programmatic access and custom integrations. ProjectionLab doesn't, so you're working through its interface.
Should I choose Portfolio123 or ProjectionLab?
It depends on what you're after. Pick Portfolio123 if screeners and quant matter to you; go with ProjectionLab if you'd rather have retirement calculator and monte carlo. And if you only need the basics both share, let price decide.
What asset classes do Portfolio123 and ProjectionLab cover?
Both cover stocks and ETFs. Portfolio123 also handles closed-end funds. ProjectionLab adds bonds, mutual funds, and real estate on top.
Does Portfolio123 or ProjectionLab have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. ProjectionLab runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from Portfolio123 and ProjectionLab?
Portfolio123 exports to CSV. ProjectionLab is stingier about getting data out.
Can Portfolio123 or ProjectionLab connect to my broker?
Portfolio123 syncs with brokers automatically. With ProjectionLab, you're entering holdings by hand or importing files.
Which has a better stock screener: Portfolio123 or ProjectionLab?
Portfolio123 has a stock screener for surfacing ideas; ProjectionLab doesn't, and focuses its energy elsewhere.
Can I track my portfolio with Portfolio123 or ProjectionLab?
Yes, both do portfolio tracking: holdings, performance, and allocation in one place.
Keep researching
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Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.