Comparison

PDF Maker & Reader Pro vs DevTools

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

Head to head
About

PDF Maker & Reader Pro

Create and edit PDF documents on your iPhone and iPad. Add text, photos, maps, and diagrams to new or existing PDFs. Easily share your creations via email or cloud storage.

Highlights
  • Create new PDF documents
  • Edit existing PDFs
  • Add text, photos, and maps
  • Input manually or with keyboard
  • Support for Apple Pencil
  • Share via email and cloud storage
Features
Read full description

PDF Maker & Reader is a simple and powerful tool for reading and creating PDF. It can be displayed PDF documents on iPhone and iPad and you can input either manually or from the keyboard and add photos, maps, lines and diagrams. And you can make a new PDF document. PDF documents that you made can be output to many applications. [Major Functions] - You can read PDF documents from iTunes, iCloud Drive and many applications.(compatible with App Extensions) - You can make a new PDF document. - You can make a PDF document in the following way.  1. You can input either manually or from the keyboard (compatible with Apple Pencil).  2. You can paste up to photos.  3. You can paste maps.  4. By pasting figures and lines, you can display PDF documents graphically. - You can upload PDF documents to iTunes, iCloud Drive, applications compatible with PDF, and you can attach PDF to emails. [Contact us] https://www.studioks.net/en/contact-us/ [Studio K's - Business Applications Maker] https://www.studioks.net/en/

About

DevTools

This app offers essential transcoding and encoding tools for developers. It supports various hashing algorithms, Base64, URL encoding/decoding, and data format conversions. It also includes helpful reference tables for developers.

Highlights
  • MD5, MD4, MD2 encoding
  • SHA1, SHA256, SHA512 encoding
  • Base64 encode/decode
  • URL encode/decode
  • JSON/XML format interchange
  • Binary conversion
  • ASCII and Escape Characters Tables
Features
Read full description

The DevTools provides some transcoding features that are often used during development. Features: 1. MD5 / MD4 / MD2 encoding 2. SHA1 / SHA224 / SHA256 / SHA384 / SHA512 encoding 3. Base64 decoding / encoding 4. URL decoding / encoding 5. JSON / XML format interchange 6. Binary conversion. 7. Image encode/decode (Base64). 8. File Reader(HEX). 9. ASCII Table. 10. Escape Characters Table. 11. Content-Type Tables.

Screenshots

PDF Maker & Reader Pro4 screens
DevTools4 screens

Verdict

The call

The clearest difference is rating: DevTools at 5.0 against PDF Maker & Reader Pro's 4.3. DevTools also leads on price ($0.99 vs $1.99). PDF Maker & Reader Pro's advantage is ratings volume (12 vs 1). On update cadence, ads, in-app purchases and monetization model 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

PDF Maker & Reader Pro costs $1.99 and DevTools $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

DevTools holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: PDF Maker & Reader Pro has 12 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

PDF Maker & Reader Pro ships an update every 3 weeks, DevTools monthly. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
PDF Maker & Reader Pro versus DevTools: the parameters behind the verdict, then further details
ParameterPDF Maker & Reader ProDevTools
Price$1.99$0.99 — better
Rating4.3 (12 ratings)5.0 (1 ratings) — better
Positive reviews40.0% of reviews—
Number of ratings12 — better1
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.3 — better11.0
Further details — not scored
Size14 MB4 MB
Age rating4+4+
DeveloperNAOAKI SEKIGUCHI俊锋 仝

Customer experience

PDF Maker & Reader Pro

All ratings12 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews5 reviews
Positive40.0%
Neutral0.0%
Negative60.0%

DevTools

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PDF Maker & Reader Pro

No in-app purchases

None

DevTools

No in-app purchases

Questions

Is PDF Maker & Reader Pro free?
PDF Maker & Reader Pro costs $1.99, with no in-app purchases.
Is DevTools free?
DevTools costs $0.99, with no in-app purchases.
Which has better reviews, PDF Maker & Reader Pro or DevTools?
DevTools is rated higher. PDF Maker & Reader Pro averages 4.3 out of 5 from 12 ratings, while DevTools averages 5.0 from 1 ratings.
Do PDF Maker & Reader Pro or DevTools have ads?
Neither PDF Maker & Reader Pro nor DevTools shows ads.
Which is updated more often, PDF Maker & Reader Pro or DevTools?
PDF Maker & Reader Pro ships an update every 3 weeks, and DevTools monthly. Most recently, PDF Maker & Reader Pro was updated on October 23, 2026 and DevTools on October 12, 2026.

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