Option Base vs Kran & Stapler Schein
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Option Base
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This is the free version of the interactive financial options graphic calculator, which has certain limitations compared to the premium version. * Calculate value and greeks for European and American options * Build real-time graphs * Build secondary graphs, like value(volatility) or theta(time) Option Base is the most sophisticated graphing calculator for European and American options. Option Base can build value and risk graphs in real-time and run various simulations. Do you know how option delta reacts to changes in volatility or how vega changes with time? You can get easy to understand answers in graphs and numbers with Option Base.
Kran & Stapler Schein
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Bereite dich optimal auf deine Prüfungen vor – alle in einer App. Enthaltene Prüfungen: • Kran / Hubarbeitsbühne / Anschläger • Staplerschein (Gabelstapler / Teleskopst Funktionen: • Tausende realistische Prüfungsfragen • Ausführliche Erklärungen zu jeder Antwort • Probeprüfungen im echten Prüfungsformat • Fortschritts-Tracking & persönlicher Lernplan • Offline lernen, jederzeit und überall Wähle deine Prüfung, übe gezielt und bestehe sicher. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flysky-privacy.pages.dev
Screenshots
Verdict
The clearest difference is in-app purchases: Option Base at none against Kran & Stapler Schein's 9. Kran & Stapler Schein's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.
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. Kran & Stapler Schein sells 9 in-app purchases, starting at $6.99 per 7 days. Option Base asks for nothing beyond the download.
| Parameter | Option Base | Kran & Stapler Schein |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 6 days |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 24 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Iaroslav Mironov | fly sky pty ltd |
In-app purchases
Option Base
No in-app purchases
Kran & Stapler Schein
- Kranschein Prüfung 2026 Full A$6.997 Days
- Kran / Hubarbeitsbühne / Ansch$6.997 Days
- Staplerschein (Gabelstapler /$6.997 Days
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- Kranschein Prüfung 2026 Full A$16.991 Month
- Kran / Hubarbeitsbühne / Ansch$16.991 Month
- Staplerschein (Gabelstapler /$16.991 Month
- Kranschein Prüfung 2026 Full A$39.993 Months
- Kran / Hubarbeitsbühne / Ansch$39.993 Months
- Staplerschein (Gabelstapler /$39.993 Months
Questions
Is Option Base free?
Is Kran & Stapler Schein free?
Do Option Base or Kran & Stapler Schein have ads?
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