Calculator vs Excel One
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator
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This new calculator has been designed to help you make preliminary calculations in the early stages of designing your armour. It is based on Hudson's internationally recognized formula for designing armour units. Our specialists are committed to sharing CLI's experience with construction companies right from the start of a project, in order to develop the most appropriate tools and methods. As a leader in breakwater protection technologies, CLI offers reliable, cost-effective and durable single-layer solutions to meet the challenges of climate change. CLI is a company fully dedicated to the transfer of single-layer technologies for port structures and for coastal protection. The ACCROPODE™ block and its improved version ACCROPODE™ II, the ECOPODE™ block as well as the CORE-LOC™ block remain market leaders in terms of reliability, ease of installation and productivity. CLI - Concrete Layer Innovations - maintains a strong commitment to sharing feedback on breakwater and coastal protection construction that is constantly fed by our many jobsites around the world.
Excel One
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Open and view XLS/XLSX on iPhone and iPad. Import files from Files or another app and review them in a simple viewer. Move between sheets and inspect tables and data. The free app displays ads. An optional lifetime purchase removes in-app ads.
Screenshots
Verdict
The clearest difference is in-app purchases: Calculator at none against Excel One's 1. Calculator also leads on ads (none vs shown). Excel One's advantage is update cadence (every 2 days vs every 6 months). 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. Excel One sells 1 one-off in-app purchase. Calculator asks for nothing beyond the download.
Calculator ships an update every 6 months, Excel One every 2 days. The most recent releases landed on October 2, 2026 and October 8, 2026 respectively.
| Parameter | Calculator | Excel One |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 2 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 130 MB |
| Age rating | 4+ | 4+ |
| Developer | CLI - Concrete Layer Innovations | Y Mobile Solution Co. , Ltd. |
In-app purchases
Calculator
No in-app purchases
Excel One
- Remove Ads Forever$9.99
Questions
Is Calculator free?
Is Excel One free?
Do Calculator or Excel One have ads?
Which is updated more often, Calculator or Excel One?
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