Comparison

PDFOptim vs SuperTuber

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

Head to head
About

PDFOptim

Easily compress and optimize PDF files on your iPhone and iPad. Reduce the size of large documents, saving storage space and transmission time. Offers both automatic and manual compression modes with advanced settings for image and vector graphics.

Highlights
  • Compress PDF documents
  • Optimize PDF files
  • Automatic compression mode
  • Manual compression mode
  • Adjust image resolution and quality
  • Optimize vector graphics
  • Support for password-protected PDFs
Features
Read full description

PDFOptim is a simple and intuitive way to compress, optimize and reduce PDF documents on iPhones and iPads. PDFOptim provides easy and effective ways to compress large image and graphics heavy PDF files. Inbuilt side-by-side preview to compare original and compressed PDF. * * * PDFOptim for Mac is also available on the Mac App Store. * * * Compressed PDF documents requires less disk space for storage and faster uploads and downloads saves transmission time and cost. PDFOptim rewrites the entire PDF documents using selected compression options as efficiently as possible without compromising the document's integrity. If your PDF documents are in another app (For Example Mail, DropBox or SkyDrive etc.) that uses the Open In… button, tap the button to open the PDF document in PDFOptim. You can also transfer PDF documents from your desktop computer via iTunes into PDFOptim application on your iPhone or iPad. KEY FEATURES: AUTO COMPRESSION MODE - PDFOptim analyze document’s contents and apply algorithm to generate a smallest possible PDF by maintaining the document’s visual quality. Choose one of the four predefined Auto compression methods and let the app do the hard work for you. No further user interaction required to provide technical compression options. MANUAL COMPRESSION MODE - Change compression options manually to generate optimum sized PDF of your need. You can choose compression options to set from Image Color Model, Image Resolution, JPEG Image Quality, Optimise vector graphics level and Advance option. - Image color model to choose from RGB, Gray and Mono. Selecting Monochrome color model option converts raster PDF contents into black and white which helps reduces PDF file size to greater extent. It is very helpful when compressing scanned books mainly containing text. - Image resolution ppi (pixels/inch) control to resize raster image contents. Downsampling at lower resolution decrease the file size dramatically. - Quality control. Set quality from lossless to least for resampling all raster images into PDF. It allows you to control compressed PDF size and viewing quality. -Advance options to remove PDF content properties like alternate images, page thumbnails, documents structure hierarchy and output intent. - Optimize vector graphics option removes superfluous information to reduce vector graphics heavy PDF. Increase in optimize vector from 'Level 1' to 'Level 5' reduces output PDF file size less to more respectively. This option is very useful when PDF content mainly consist of high precision vector graphics, Usually PDF drawing, note-taking and PDF markup apps creates large vector graphics heavy PDF files which can be compressed by this option efficiently. - Password protected PDF documents supported for compression using correct password. - Single or multiple compressed PDFs can be shared as single ZIP (*.zip) file. - Allows Compressed PDFs to Open In… another application, Mail, Message, Print, share PDFs to nearby iOS devices via AirDrop. - Use Copy to iTunes to save and share compressed PDFs on your desktop computer. PDF VIEWER: - Inbuilt PDF viewer with fully selectable and searchable text contents. Select and copy text to clipboard for further use. - Pinch out and Pinch in to ZoomIn and ZoomOut view and search feature to find a character, word and sentence. - Scroll through your document by thumbnail view or Go to page feature. Note: PDFOptim is standalone application running natively to compress PDF documents securely on your iOS device. You can refer User Manual for any assistance Or Contact Support. *The free version has limitation to export one compressed PDF per week. Get Premium to remove all restrictions and start exporting an unlimited number of compressed PDFs. Privacy Policy: http://rootrisetech.com/pdfoptim-privacy-policy Terms of Use(EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SuperTuber

This app provides interactive, timed summaries of YouTube videos, allowing users to control playback directly from the summary. It offers structured content with detailed insights and real-time progress tracking for efficient learning.

Highlights
  • Interactive timed summaries
  • Synced video playback control
  • Structured content sections
  • Detailed text explanations
  • Timed captions and sub-summaries
  • Real-time progress tracking
Features
Read full description

Make the most of YouTube, faster and smarter. get interactive summaries fully synced with your video, allowing you to control video playback through the summary and vice versa! TIMED SUMMARIES WITH STRUCTURE Get a clear and structured summary of the video, broken down into sections, allowing you to quickly understand the key points without watching the entire content. DETAILED INSIGHTS WHEN NEEDED Tap on any summary section to either start the video from that moment or read a more detailed text explanation, giving you control over how much information you consume. TIMED CAPTIONS AND SECTION SUB-SUMMARY Each section includes either a concise captions list or a detailed sub-summary, depending on its length, making it easier to follow along and grasp the content. SYNCED VIDEO AND SUMMARY FOR SEAMLESS LEARNING Watch the video while following along with the synced summary in real-time, allowing you to effortlessly switch between formats or consume both simultaneously for a more efficient and engaging learning experience. REAL-TIME PROGRESS TRACKING Track your progress as you move through the summary and video sections, ensuring you know how much content remains MORE THAN JUST TEXT SUMMARIES Unlike other apps that simply throw plain text at you, "SuperTuber" offers interactive, timed summaries that keep you engaged and help you consume YouTube content more efficiently. Privacy Policy: https://smartappsfor.us/supertuber-privacy Terms & Conditions: https://smartappsfor.us/supertuber-terms

Screenshots

PDFOptim4 screens
SuperTuber4 screens

Verdict

The call

The clearest difference is review sentiment: SuperTuber at 100% against PDFOptim's 76%. SuperTuber also leads on rating (5.0 vs 4.7). PDFOptim's advantage is ratings volume (292 vs 4) and iOS requirement (15.6 vs 17.0). On price, update cadence, ads and in-app purchases 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

Both are free to download. PDFOptim sells 3 in-app purchases, starting at $0.99 per month and SuperTuber sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SuperTuber holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: PDFOptim has 292 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 76% of PDFOptim's written reviews are positive against 100% of SuperTuber's.

UpkeepUpdate frequency

PDFOptim ships an update every 5 months, SuperTuber every 4 months. The most recent releases landed on October 14, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
PDFOptim versus SuperTuber: the parameters behind the verdict, then further details
ParameterPDFOptimSuperTuber
PriceFreeFree
Rating4.7 (292 ratings)5.0 (4 ratings) — better
Positive reviews75.6% of reviews100.0% of reviews — better
Number of ratings292 — better4
Update frequencyEvery 5 monthsEvery 4 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better17.0
Further details — not scored
Size8 MB95 MB
Age rating4+17+
DeveloperRootRise Technologies Pvt. Ltd.mohamed abd elaleem

Customer experience

PDFOptim

All ratings292 ratings
Positive93.5%
Neutral1.7%
Negative4.8%
Written reviews82 reviews
Positive75.6%
Neutral3.7%
Negative20.7%

SuperTuber

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PDFOptim

Reported bugs

11 issues
  • App not launching on iOS 18.0.1
  • App freezes during launch
  • App won't take purchases
  • Cannot optimize certain PDFs
  • Compression not effective on marked-up PDFs
Show 6 more
  • App no longer works after updates
  • File compressed to a slightly smaller size with no significant reduction
  • Graphics become unreadable or highly degraded
  • App crashes
  • Multitasking, drag and drop not working
  • Doesn't use full screen on new iPads

Requested features

6 requests
  • Support for iOS shortcuts
  • macOS version integration/cross-platform compatibility
  • Improved handling of specific file types like GoodNotes
  • Better optimization for handwritten notes within PDFs
  • Cloud storage for compressed documents (iCloud)
Show 1 more
  • Update for latest OS versions and multitasking features

SuperTuber

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

PDFOptim

Subscriptions2
  • Premium : Monthly Access$0.991 Month
  • Premium : Yearly Access3 Days trial$2.991 Year
One-time1
  • Premium : Lifetime Access$4.99
2 purchases

SuperTuber

Subscriptions2
  • Weekly Subscription$3.997 Days
  • Yearly Subscription$39.991 Year

Questions

Is PDFOptim free?
PDFOptim is free to download, with in-app purchases available.
Is SuperTuber free?
SuperTuber is free to download, with in-app purchases available.
Which has better reviews, PDFOptim or SuperTuber?
SuperTuber is rated higher. PDFOptim averages 4.7 out of 5 from 292 ratings, while SuperTuber averages 5.0 from 4 ratings.
Do PDFOptim or SuperTuber have ads?
Neither PDFOptim nor SuperTuber shows ads.
Which is updated more often, PDFOptim or SuperTuber?
PDFOptim ships an update every 5 months, and SuperTuber every 4 months. Most recently, PDFOptim was updated on October 14, 2026 and SuperTuber on October 8, 2026.

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