★ BEST INVESTING TOOLS COMPARISON ★
VOL. XCIV, NO. 247
Source check: AJ Bell checked July 17, 2026
Tool Comparison
AJ Bell vs Portfolio123
Pick AJ Bell if
AJ Bell
Transaction-priced · Fees vary by offer and jurisdiction · Web · Mobile
- You do a lot of your research from your phone
- You care about brokerage, advanced order types, and downloadable tax reports, things Portfolio123 doesn't offer
Pick Portfolio123 if
Portfolio123
Free • From $25/mo · Web · API · Desktop
- You'd rather start free and only pay if you outgrow it
- Delayed quotes won't cut it; you need real-time data
- You want an API so you can script or automate things
Skip both if: Neither one clicks with how you research; there are strong third options.
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Our take
The bottom line
AJ Bell and Portfolio123 cover a lot of the same ground (2 shared categories, portfolio and watchlist), so for the basics you won't go far wrong with either. Portfolio123 simply does more: 19 categories to AJ Bell's 5, including screeners, data visualizations, and quant. AJ Bell counters by keeping things simpler.
What readers say
AJ Bell
Vote once to reveal the community verdict.
Portfolio123
Vote once to reveal the community verdict.
Key differences at a glance
- Free plan
- Portfolio123
- Broader coverage
- Portfolio12319 vs 5 categories
- Mobile app
- AJ Bell
- Desktop app
- Portfolio123
- API access
- Portfolio123
- Real-time data
- 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 | Transaction-priced · Fees vary by offer and jurisdiction | Free • From $25/mo |
Free tier | No | Yes |
Free trial | — | — |
Plan limits | — | Free Screener & Backtesting Access: duration days: 30 |
| Platforms & access | ||
Web app | Yes | Yes |
Desktop app | No | Yes |
Mobile app | Yes | No |
API access | No | Yes |
Broker sync | — | Yes |
Integrations | — | Interactive Brokers and Tradier |
| Audience & fit | ||
Experience level | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +5 more |
Categories covered | 5 | 19 |
Regions | Europe, North America | 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 |
| Try it | Visit AJ Bell | Visit Portfolio123 |
Where each one shines
What AJ Bell and Portfolio123 each do best.ShowHide
Where each one shines
What AJ Bell and Portfolio123 each do best.What AJ Bell does best
- Dealing Account, Stocks and Shares ISA, Lifetime ISA, Junior ISA, SIPP, Junior SIPP, trust, and eligible company access.
- More than 4,000 funds plus UK and international shares, ETFs, investment trusts, gilts, and bonds.
- Wrapper-specific share account-charge caps and tiered fund account charges.
- Regular investing, limit orders, stop losses, portfolio monitoring, watchlists, and research tools.
- Variable interest on cleared GBP cash, with different rates for Dealing, ISA, SIPP, and drawdown accounts.
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.
Every detail we compared
Every tracked attribute for AJ Bell and Portfolio123, side by side.ShowHide
Every detail we compared
Every tracked attribute for AJ Bell and Portfolio123, side by side.| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksETFsBondsMutual Funds | StocksETFsClosed-End Funds |
Experience | BeginnerIntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailInstitutional InvestorsAnalystsQuants/DevelopersFinancial AdvisorsStudents/Researchers |
Regions | EuropeNorth America | North AmericaEurope |
Coverage details | Identifiers: Ticker and ISIN | Countries: US and CAIdentifiers: Ticker |
| Data | ||
Data freshness | Not specified | Real-timeEnd of Day |
Data granularity | Not specified | EOD |
Data partners | Not specified | FactSetS&P Global Market IntelligenceICE Data ServicesFRED |
| Access & integrations | ||
API protocols | Not specified | REST |
API auth & delivery | Not specified | Auth: APIKeySDKs: PythonDocs |
Import methods | Not specified | BrokerOAuthCSV |
Integrations | Not specified | Interactive BrokersTradier |
Export formats | CSVPDF | CSVJSON |
| Plans & trust | ||
Capability signals | Not specified | Custom formulasRanking backtestsUniverse builderBroker syncRebalancingCorrelation |
Vendor & support | AJ Bell Securities LimitedCountry: United KingdomSupport: Phone and Email | Portfolio123Support: Forum |
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)” |
| Entry paid plan | — | $25/mo“Retail Research Plans” |
| Custom / enterprise | — | Contact sales“Professional / API & Data Licenses” |
Questions we keep getting
What's the difference between AJ Bell and Portfolio123?
AJ Bell leans toward brokerage, portfolio, and watchlist, while Portfolio123 puts more weight on screeners, data visualizations, and quant. They overlap in 2 categories, so for most people it comes down to workflow preference and price.
Is AJ Bell or Portfolio123 free to use?
Portfolio123 has a free tier, so you can get started without paying anything. AJ Bell is paid-only. If budget matters, start with Portfolio123 and see how far it takes you before opening your wallet.
Can I use AJ Bell or Portfolio123 on my phone?
AJ Bell lists a dedicated mobile app, so it travels better. Portfolio123 doesn't list a dedicated mobile app; its documented access is web, API, and desktop.
Does AJ Bell or Portfolio123 have an API?
Portfolio123 has an API for programmatic access and custom integrations. AJ Bell doesn't, so you're working through its interface.
Should I choose AJ Bell or Portfolio123?
It depends on what you're after. Pick AJ Bell if brokerage and advanced order types matter to you; go with Portfolio123 if you'd rather have screeners and data visualizations. And if you only need the basics both share, let price decide.
What asset classes do AJ Bell and Portfolio123 cover?
Both cover stocks and ETFs. AJ Bell also handles bonds and mutual funds. Portfolio123 adds closed-end funds on top.
Does AJ Bell or Portfolio123 have real-time data?
Portfolio123 offers real-time data, which matters if you trade actively. AJ Bell 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 AJ Bell and Portfolio123?
Yes, both export to spreadsheets (CSV), which is handy if you like running your own numbers.
Which has a better stock screener: AJ Bell or Portfolio123?
Portfolio123 has a stock screener for surfacing ideas; AJ Bell doesn't, and focuses its energy elsewhere.
Can I track my portfolio with AJ Bell or Portfolio123?
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.