Calculus + vs Boeing FeedbackApp
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculus +
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Calculus + transforms complex calculations into organized, reusable workflows through customizable calculation templates and step-by-step formula building. Key Features: • Create calculation templates with multiple sequential steps, each containing custom inputs and automated formula calculations • Build complex formulas using an intuitive visual interface with dedicated tabs for inputs, previous results, mathematical operators, and numbers • Organize your calculation workflows by reordering templates and steps through simple drag-and-drop functionality • Adapt to your preferences with dark/light mode support and professional interface design optimized for iOS Perfect for retail professionals, financial analysts, and anyone requiring systematic calculations with consistent accuracy and workflow efficiency.
Boeing FeedbackApp
This platform enables airline mechanics to collaborate, share maintenance insights, and access technical resources. It aims to improve customer engagement by speeding up feedback and distributing best practices.
- Collaborative maintenance insights sharing
- Troubleshooting issue resolution
- Access to Boeing technical resources
- Improved customer engagement
- Faster feedback loops
- Distribution of best practices
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Boeing FeedbackApp is a mobile-first platform designed to empower airline mechanics with a collaborative space to share maintenance insights, troubleshoot issues, and access Boeing-provided technical resources. Developed in response to feedback from the 737 Program and Fleet Chief Office by Chief Mechanic Office, the app addresses key gaps in customer engagement—specifically the slow feedback loop, lack of crowd-sourcing capabilities, and limited distribution of best practices
Screenshots
Verdict
The clearest difference is update cadence: Calculus + at daily against Boeing FeedbackApp's every 3 months. Calculus + also leads on iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Calculus + ships an update daily, Boeing FeedbackApp every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.
| Parameter | Calculus + | Boeing FeedbackApp |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Daily — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 98 MB |
| Age rating | +4 | 4+ |
| Developer | KeoGlobal | The Boeing Company |
In-app purchases
Calculus +
No in-app purchases
Boeing FeedbackApp
No in-app purchases
Questions
Is Calculus + free?
Is Boeing FeedbackApp free?
Do Calculus + or Boeing FeedbackApp have ads?
Which is updated more often, Calculus + or Boeing FeedbackApp?
Other comparisons
