UnderstandStock vs Selium Performance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UnderstandStock
Explore stock market data with clarity and simplicity. Access 30 years of financial history and visualize trends with interactive charts. Gain insights to make informed investment decisions.
- Simple stock research
- 30 years of financial data
- Interactive charts
- Clear data visualization
- Informed investment decisions
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Research stocks in a simple, clear way. Review financial data for the past 30 years. View charts of data.
Selium Performance
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Performance: Portfolio & Mind Analytics Performance is a unique portfolio management and psychological tracking tool built for traders who demand excellence. Whether you’re managing your own capital or reporting to a fund, the app delivers essential metrics to sharpen your edge. ________ Key Features • Detailed Portfolio Monitoring Track your account balance, equity, total return, drawdown, and current leverage* with visual clarity. Designed for managing multiple accounts. • Daily, Weekly, and Monthly Returns Understand your real performance over time using Time-Weighted Returns (TWR), Start and End Balance methods. • Deep Drawdown Analysis View current and max drawdowns, floating losses in a dedicated chart suite. Know where you stand before markets tell you. • Mental State Tracking Self-assess your psychological state daily. Analyze trends like fear, patience, FOMO with beautiful insights and correlation charts. • Risk & Overtrading Indicators Built-in alerts show you if you’re crossing your thresholds in leverage or daily & weekly p/l. • Keep clients in the loop (MAX users) The Client Edition lets you provide your clients with their own read-only monitoring suite — customizable by you — so they can stay up to date with their account performance. Mental state data remains private and is never shared. Access is anonymous and secure via a unique client key code — no sign-up required ________ Who It’s For • Retail traders seeking discipline • Prop traders needing structured reporting • Professionals optimizing performance • Funds looking for repeatable edge ________ We designed Performance for those who take trading seriously—who understand that edge isn’t just strategy, but mental clarity, risk control, and brutal self-honesty. ________ Please Note: some advanced features, such as multiple account support, client management and advanced charts, are available through a paid subscription. Basic functionality is free. * via the separate Selium Exposure App By using this app, you agree to Apple’s Standard End User License Agreement (EULA), available at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
UnderstandStock and Selium Performance are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. UnderstandStock sells 1 in-app purchase, starting at $19.99 per month and Selium Performance sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
UnderstandStock ships an update weekly, Selium Performance every 9 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | UnderstandStock | Selium Performance |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 9 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.2 |
| Further details — not scored | ||
| Size | 36 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Melvin Ram | Selium Ltd |
In-app purchases
UnderstandStock
- UnderstandStock Pro$19.991 Month
Selium Performance
- Performance Pro Monthly14 Days trial$3.991 Month
- Performance Max Monthly14 Days trial$7.991 Month
- Performance Pro Yearly$39.991 Year
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- Performance Max Yearly$79.991 Year
Questions
Is UnderstandStock free?
Is Selium Performance free?
Do UnderstandStock or Selium Performance have ads?
Which is updated more often, UnderstandStock or Selium Performance?
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