Comparison

Save2PDF for iPhone vs Heating Pipe Size

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

Head to head
About

Save2PDF for iPhone

Easily create professional PDFs directly on your iPhone from various file formats like Word, Excel, Photos, and web pages. Merge multiple documents, select specific pages, and share your creations.

Highlights
  • Convert common file formats to PDF
  • Merge multiple documents into one PDF
  • Select specific pages from files
  • Import files from other apps
  • Email and print PDFs
  • Intuitive PDF arrangement and preview
Features
Read full description

Create professional, great looking PDFs simply and easily right on your iPhone without having to go near a computer! Save2PDF will convert most file formats into a PDF including Word, Excel, Powerpoint, Pages, Numbers, Keynote, Photos, Web Pages, Contacts and many more formats. What the Press Say: Macworld: "Save2PDF is a superb app that provides a fairly unique function" iAppSin: "Save2PDF is a practical app dedicated to converting and merging PDF files" iPad.net: "It is definitely a must-have app for professionals who use their iPad for business purposes" TouchMyApps: "There’s currently nothing like it at the App Store and iDevice users who’ve always wanted to create their own PDF files should definitely check it out." Save2PDF also enables easy merging of several documents into a single PDF, even if the files are completely different formats (i.e. create a single PDF by combining a document with a spreadsheet, or a Pages document with a Word file). It is also just as easy to merge multiple PDFs into a single PDF file. One of the other powerful features of Save2PDF is the ability to select a few pages from a file (i.e. a document or PDF) and a few from one or multiple other files - creating a new PDF containing only the pages required from those files. The PDF creation, arrangement and preview screen is intuitive and easy to use. Rearranging document order, selecting page ranges and adding further documents is all contained within one single area; there is no complicated file structure or hierarchy to learn! Save2PDF can easily be used in conjunction with other apps like Pages, Numbers or Keynote, simply use Open in.....Save2PDF to transfer any file from another app and convert it into a PDF - all done in only 2 steps! Providing the other app supports Open in... file sharing, transferring documents into Save2PDF is easy. FULL PDF CONVERTER • Convert common file formats into a PDF right on your iPhone or iPod Touch without using a computer • View/Convert/Merge Microsoft Office files, iWork files, Photos, PDFs, Contacts, Web Pages, Email attachments as well as many more file formats • Create a single PDF from multiple files even if they are a different format (i.e. merge a Word file with a Pages document etc) • Email and print finished PDF directly from within Save2PDF MERGE or APPEND PDF FILES • Merge multiple PDF files together • Add a page to an existing PDF file (i.e. a cover letter or fax cover) • Quickly and easily add further appendices to an existing PDF document CREATE PDFs FROM OTHER APPS • Import files from other apps using the Open in... file sharing to transfer into Save2PDF and convert into a PDF • Works with any app that has the Open in file Sharing built in (i.e. Mail attachments, like Pages, Numbers or Keynote & many more) • Transfer documents and files from a computer into Save2PDF either via iTunes or by mounting the iPhone as a disk or using the free file transfer software, WePrint FULL CLOUD SERVICES SUPPORT • Fully integrated with iCloud, CloudMe, Dropbox, GoogleDocs, Box.net, WebDAV • Convert documents & files in the cloud to PDF without downloading them first • Move or Print documents on your iPhone/iPod Touch from your Cloud account FULLY FUNCTIONAL PRINTING • Print to ALL printers (Network/WiFi/USB/Bluetooth) via your Mac or PC or direct to most WiFi printers without additional software. Also print to Apple AirPrint printers • Print from Pages, Numbers or Keynote extremely quickly & easily without the need for an AirPrint printer using Open in • Print from other apps using Open in • USB & Bluetooth printers can be used with free print server software (Windows & Mac) • Print remotely via 3G/4G/EDGE WEB PAGE PRINTING • Convert web pages to PDF documents for sharing • Browse and print web pages to ALL printers • Store passwords and clear history/cache • Multiple tabs for splitting up browsing QUICK HELP - if you need it

About

Heating Pipe Size

Features
Read full description

Estimate required pipe diameter of a closed hydronic heating or cooling system in an instant and calculate pressure drop to determine required circulation pump characteristics (flow and head). Easy to use, quick and accurate results. Enter the required heating or cooling output and water flow and return temperatures. Choose pipe material. The recommended pipe diameter is already there, presented as a standard DN. Additionally, choose the recommended or a custom pipe diameter and specify pipe section length and fittings. Results include water flow rate, velocity, pressure drop and pressure drop per 100 m of straight pipe and can be used to determine the parameters of a circulation pump. ## Features: - Simple to use; - Suitable for hydronic (water-based) heating and cooling systems; - Suitable for a large range of heating and cooling outputs; - Predefined pipe materials; - Water temperature range from 1 to 99 ºC; - Completely independent from any manufacturers; - No login needed, no data connection needed; - No data collection; - No subscriptions, one-time purchase only; - Very quick calculation with no delays; ## Possible uses of the application: - Quickly estimate required pipe diameter when designing a hydronic (water-based) closed heating or cooling system. - Quickly determine circulation pump requirements (flow and head), whether it be a new system or a replacement pump. ## Notes: - It is recommended to calculate every section of the piping system separately and additionally check the whole system pressure drop. - The application is only useful for calculations of hydronic (water based) closed heating or cooling systems. Other systems and media are not supported. - Only metric units are supported. - The application, while accurate, is not meant as a complete replacement of specialized software for heating and cooling system design. The application doesn't require data connection. It doesn't require and doesn't collect any personal data. It also doesn't contain third-party ads or code. Also: no in-app purchases, no subscriptions.

Screenshots

Save2PDF for iPhone4 screens
Heating Pipe Size4 screens

Verdict

The call

The clearest difference is update cadence: Save2PDF for iPhone at every 4 months against Heating Pipe Size's every 15 months. Save2PDF for iPhone also leads on price ($3.99 vs $5.99) and iOS requirement (12.0 vs 26.0). On 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

CostPrice · In-app purchases · Ads · Monetization

Save2PDF for iPhone costs $3.99 and Heating Pipe Size $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Save2PDF for iPhone ships an update every 4 months, Heating Pipe Size every 15 months. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Save2PDF for iPhone versus Heating Pipe Size: the parameters behind the verdict, then further details
ParameterSave2PDF for iPhoneHeating Pipe Size
Price$3.99 — better$5.99
Rating4.3 (59 ratings) — better—
Positive reviews82.0% of reviews—
Number of ratings59 — better—
Update frequencyEvery 4 months — betterEvery 15 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS12.0 — better26.0
Further details — not scored
Size50 MB1 MB
Age rating17+4+
DeveloperEuroSmartz LtdSebastjan Valic

Bugs and requests

Save2PDF for iPhone

Reported bugs

2 issues
  • Compatibility issues with iOS updates
  • Unreliable cloud sync functionality

Requested features

3 requests
  • Improved integration with other apps
  • Ability to print directly from other apps
  • More customization options

Heating Pipe Size

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Save2PDF for iPhone

No in-app purchases

None

Heating Pipe Size

No in-app purchases

Questions

Is Save2PDF for iPhone free?
Save2PDF for iPhone costs $3.99, with no in-app purchases.
Is Heating Pipe Size free?
Heating Pipe Size costs $5.99, with no in-app purchases.
Do Save2PDF for iPhone or Heating Pipe Size have ads?
Neither Save2PDF for iPhone nor Heating Pipe Size shows ads.
Which is updated more often, Save2PDF for iPhone or Heating Pipe Size?
Save2PDF for iPhone ships an update every 4 months, and Heating Pipe Size every 15 months. Most recently, Save2PDF for iPhone was updated on October 13, 2026 and Heating Pipe Size on October 12, 2026.

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