Comparison

Calibre Sync vs Construction Calc

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Calibre Sync

Access and manage your Calibre ebook libraries from various cloud services or wirelessly connect to your desktop. Browse, search, download, and organize your books on your device. Supports multiple libraries and accounts.

Highlights
  • Access Calibre libraries on cloud services
  • Wireless connection to Calibre
  • Supports multiple libraries and accounts
  • Browse, search, and download books
  • Organize books with filters and sorting
  • Send books to Kindle
Features
Read full description

Lifetime support, no extra charge, no subscription fee. Calibre Sync can: - help you access full Calibre libraries on most popular personal cloud services, including Google Drive, Dropbox, Microsoft OneDrive, Box, pCloud, MEGA, iCloud, WebDav, Nextcloud, OwnCloud, and TeraBox - simply the most supported for cloud services. - transform your device to a smart device emulator that connects to Calibre wirelessly. It even supports Calibre libraries on your external storage and from Calibre Content Server or Calibre-web with amazing performance. Move your Calibre libraries to your favourite cloud providers and access those libraries via Calibre Sync to browse, sort, search, download and read books on your device. Calibre Sync also supports multiple libraries across multiple Drive, Dropbox, OneDrive, Box, pCloud, MEGA, iCloud, WebDav, Nextcloud, OwnCloud, and TeraBox accounts simultaneously. Features: - Unlimited Calibre libraries - Wireless connect to Calibre effortlessly as Smart device - Easy switch between multiple libraries across multiple accounts - Automatic check and update libraries when launching the app - Pull, Refresh or Remove a library from Calibre Sync - Support different book list layouts: List - detailed and simple, Grid, and Carousel - View your library statistics - Send books to Kindle with ease - Search across all of your available libraries - Search books by title, authors, and even in comments and custom columns - Filter books on authors, series, tags, language, publishers, formats and in custom columns - Sort libraries by title, author, ratings, and several Date options - ascending and descending - Filter downloaded books - Configuration for each library download location - Support for custom columns in book details view - Quick access to book download and share via slideable list view - Zoom the book cover - Support "swipe from book to book" in book details view - Email or share a copy of downloaded book - Open downloaded book in your book reader application to read a book - View the file size of each book format - Show book identifiers and link to source (like ISBN, Amazon, Google Books, Goodreads, etc) - Dark/light themes - And many more features... To move your Calibre library to cloud services: 1) Open Calibre on your Laptop/PC/Desktop 2) Select "Switch/create library..." from the Calibre menu 3) Select an empty folder on your Cloud drive in "New Location" drop down 4) Select "Move current library to new location", then press OK 5) Wait for cloud sync to complete. 6) Then you are ready to use Calibre Sync. To move your Calibre library to your phone storage, just copy the library directory to your phone storage. Notes: - Calibre Sync is not a reader app. You must install and use one of the many excellent reader apps available. - Only Microsoft OneDrive for Personal accounts (shared) are supported. Please email us if you observe any inconsistencies. - Due to restriction in Box API, Calibre Sync must acquire write permission in order to download files, download is not a read action on Box. Calibre Sync guarantees that it will not perform any write actions against your data in Box cloud account. - Calibre Sync use WebDav API of Nextcloud and OwnCloud services, and it requires case sensitive file system to work properly. Therefore, you must make sure that your libraries are set up on case sensitive file system (Linux, recent MacOS, Windows NTFS with case sensitive enabled). Please leave your reviews and suggestions to help us improve the app. For more information see https://calibresync.bitbucket.io Calibre is © Kovid Goyal - calibre-ebook.com Drive is © Google LLC. Dropbox is © Dropbox inc. OneDrive is © Microsoft Box is © Box inc. pCloud is © pCloud AG Nextcloud is © Nextcloud GmbH OwnCloud is © OwnCloud MEGA is © MEGA iCloud is © Apple Inc TeraBox © Flextech Inc

About

Construction Calc

Features
Read full description

Construction math that works the way tradespeople do. Onsite Math handles feet, inches, fractions, decimals, and metric values without forcing you to convert everything first. CALCULATE WITH CONFIDENCE • Add, subtract, multiply, and divide mixed dimensions • Choose precision from 1/2 through 1/64 inch • Convert imperial and metric results instantly • Keep a readable running tape of every calculation A COMPLETE FIELD TOOLKIT • Stairs, common rafters, roof triangles, and equal spacing • Architectural and metric plan-scale conversion • Concrete, drywall, tile, paint, lumber, roofing, block, and rebar estimates • Waste, tax, labor, currency, and unit-cost support BUILT AROUND REAL JOBS Save calculations and estimates under named jobs, then create a clean PDF report for your client, crew, or records. Everything works offline and job data stays on your device. The fraction calculator and unit converter are free. Unlock the complete professional toolkit with one optional lifetime purchase. No subscription, ads, account, or third-party analytics. Always verify measurements, structural requirements, codes, and material specifications before ordering or cutting.

Screenshots

Calibre Sync4 screens
Construction Calc4 screens

Verdict

The call

The clearest difference is price: Construction Calc at Free against Calibre Sync's $4.99. Calibre Sync's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On ads 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

CostPrice · In-app purchases · Ads · Monetization

Construction Calc is free to download; Calibre Sync costs $4.99 up front. Construction Calc sells 1 one-off in-app purchase. Calibre Sync asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Calibre Sync versus Construction Calc: the parameters behind the verdict, then further details
ParameterCalibre SyncConstruction Calc
Price$4.99Free — better
Rating3.9 (55 ratings) — better—
Positive reviews62.4% of reviews—
Number of ratings55 — better—
Update frequencyFortnightly—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size128 MB5 MB
Age rating4+4+
DeveloperDUONG THUY PHAMEUTOPIX LABS

In-app purchases

None

Calibre Sync

No in-app purchases

1 purchases

Construction Calc

One-time1
  • Onsite Math Pro — Lifetime$39.99

Questions

Is Calibre Sync free?
Calibre Sync costs $4.99, with no in-app purchases.
Is Construction Calc free?
Construction Calc is free to download, with in-app purchases available.
Do Calibre Sync or Construction Calc have ads?
Neither Calibre Sync nor Construction Calc shows ads.

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