Portfolio123 adds Screeners, Quant, Backtesting, Portfolio, Correlation, Calendar, Data APIs, Broker Connectors, and Data Visualizations coverage that Sensor Tower skips.
VOL. XCIV, NO. 247
★ FINANCIAL TOOLS & SERVICES DIRECTORY ★
PRICE: 5 CENTS
Thursday, December 4, 2025
Tool Comparison
Portfolio123 vs Sensor Tower comparison
Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.
Quick takeaways
Sensor Tower includes App & Website Traffic categories that Portfolio123 omits.
In depth comparison
Portfolio123
portfolio123.com
Editor’s pick Hands-on review
Quant research and live-deployment platform with point-in-time fundamentals and estimates. Users can screen, backtest, and simulate strategies, then deploy them live with broker integrations. Supports API access and a no-code desktop DataMiner. FactSet or S&P Compustat licenses are required for full historical fundamentals.
Categories
Platforms
WebDesktopAPI
Pricing
FreeSubscription
Quick highlights
- Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
- Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
- Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
- ‘Books’ feature to combine multiple strategies and view correlations between them.
- Point-in-time fundamentals, estimates, and corporate actions with dividends handled on ex/pay dates (no survivorship bias or look-ahead).
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Sensor Tower
sensortower.com
Mobile app and web intelligence platform covering downloads, usage, advertising, and audience trends. A limited free tier is available, while enterprise add-ons include App Teardown and expanded ASO capabilities such as unlimited keyword tracking and custom alerts. Data is delivered via Connect APIs and scheduled feeds with daily refreshes, available in CSV/Parquet and through Snowflake integration.
Categories
Platforms
WebAPI
Pricing
FreeSubscription
Quick highlights
- App download estimates and advertising intelligence, with insights into audience and market share.
- App performance tracking for ASO workflows, including keyword opportunities, competitive benchmarking, and Apple Search Ads analysis. Free sign-ups provide limited access.
- Usage insights built from panel data, showing daily and hourly patterns such as retention, time spent, and session frequency.
- Advertising insights covering share of voice across networks, creative tracking, and messaging trends.
- Web Insights module that measures cross-platform behavior across desktop web, mobile web, and apps, with deduplicated user benchmarking.
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Where they differ
Portfolio123
Distinct strengths include:
- Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry.
- Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data.
- Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging.
- ‘Books’ feature to combine multiple strategies and view correlations between them.
Sensor Tower
Distinct strengths include:
- App download estimates and advertising intelligence, with insights into audience and market share.
- App performance tracking for ASO workflows, including keyword opportunities, competitive benchmarking, and Apple Search Ads analysis. Free sign-ups provide limited access.
- Usage insights built from panel data, showing daily and hourly patterns such as retention, time spent, and session frequency.
- Advertising insights covering share of voice across networks, creative tracking, and messaging trends.
Feature-by-feature breakdown
| Attribute | Portfolio123 | Sensor Tower |
|---|---|---|
Categories Which research workflows each platform targets | Shared: APIs & SDKs Unique: Screeners, Quant, Backtesting, Portfolio, Correlation, Calendar, Data APIs, Broker Connectors, Data Visualizations | Shared: APIs & SDKs Unique: App & Website Traffic |
Asset types Supported asset classes and universes | Stocks, ETFs | Other |
Experience levels Who each product is built for | Beginner, Intermediate, Advanced | Beginner, Intermediate, Advanced |
Platforms Where you can access the product | Web, Desktop, API | Web, API |
Pricing High-level pricing models | Free, Subscription | Free, Subscription |
Key features Core capabilities called out by each vendor | Unique
| Unique
|
Tested Verified by hands-on testing inside Find My Moat | Yes | Not yet |
Editor pick Featured inside curated shortlists | Highlighted | Standard listing |
Frequently Asked Questions
Which workflows do Portfolio123 and Sensor Tower both support?
Both platforms cover APIs & SDKs workflows, so you can research those use cases in either tool before digging into the feature differences below.
Do Portfolio123 and Sensor Tower require subscriptions?
Both Portfolio123 and Sensor Tower keep freemium access with optional paid upgrades, so you can trial each platform before committing.
How can you access Portfolio123 and Sensor Tower?
Both Portfolio123 and Sensor Tower prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.
What unique strengths set the two platforms apart?
Portfolio123 differentiates itself with Build custom multi-factor ranking systems and rank stocks by universe, sector, or industry., Spreadsheet-style screening with formulas (including Piotroski F-Score) across current and historical data., and Backtesting with realistic assumptions for slippage, commissions, buy/sell rules, position sizing, and hedging., whereas Sensor Tower stands out for App download estimates and advertising intelligence, with insights into audience and market share., App performance tracking for ASO workflows, including keyword opportunities, competitive benchmarking, and Apple Search Ads analysis. Free sign-ups provide limited access., and Usage insights built from panel data, showing daily and hourly patterns such as retention, time spent, and session frequency..
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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.