Comparison

Preview mini vs Image resizer, converter iSize

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

Head to head
About

Preview mini

Edit and annotate images and PDFs with a desktop-like experience on your iPhone and iPad. Offers advanced features for viewing, converting, and managing files, inspired by macOS.

Highlights
  • Image editing and cropping
  • PDF annotation and editing
  • File conversion
  • Drag and drop support
  • Keyboard shortcuts
  • Password protection for PDFs
Features
Read full description

Preview mini is a powerful tool for working with images and PDFs on iPhone and iPad. Inspired by macOS. Created for iOS.  Preview mini combines the convenience of editing images and PDFs into a single application, offering advanced features for viewing, annotating, and converting files. The macOS-inspired desktop experience, featuring the brand-new File Desktop, familiar window controls, drag and drop, keyboard interaction, and even more to fall in love with. IMAGE EDITING – Highlight and crop image fragments – Rotate, flip, and resize – Add text, notes, and shapes – Support for blank templates with resolution selection PDF HANDLING – Edit and annotate PDF documents – Highlight text and create custom annotations* – Duplicate, convert, and manage PDF pages* – Add and remove passwords to protect files* IMPORT, EXPORT, AND INTEGRATION – Export images in HD quality* – Export JPEG/PNG with file size preview* – Support for keyboard shortcuts and trackpad for convenient use* *Features available in the full version of the application. Using Preview mini significantly simplifies the processing of images and PDF documents. You can quickly edit files, highlight important details, fill out forms, and add signatures without the need to switch between different applications. This saves you time, increases productivity, and makes working with documents convenient and intuitive! Download Preview mini and manage images and PDFs with macOS convenience on your iPhone and iPad! ––– Legal notice This application is NOT an Apple product. Preview mini is an independent development, inspired by macOS but not affiliated with Apple Inc. Images in the screenshots are provided by artists: Pok Rie (https://www.pexels.com/de-de/@pok-rie-33563) Fabian Wiktor (https://www.pexels.com/de-de/@fabianwiktor)

About

Image resizer, converter iSize

This app allows you to precisely resize, crop, and transform photos. It supports batch processing, metadata editing, and exporting in various formats and sizes, making it ideal for social media, printing, and graphic design.

Highlights
  • Advanced resizing modes
  • Batch processing
  • Export in multiple sizes
  • Metadata editing
  • Transparent image support
  • Live previews
  • Customizable presets
Features
Read full description

iSize: Advanced Image Converter Effortlessly resize, crop, transform, and print your photos with precision. Edit metadata, prepare images for social media, or handle professional graphic design tasks—all in one flexible tool. Key Features • Advanced Resize: Choose how to handle the image aspect ratio change, enlarge images, and more. • Batch Resize: Process multiple images at once to save time. • Export in Multiple Sizes: Create images for every need, for example @2x and @3x. • Seamless Import: Pull images from Photos, Files, or your camera. • Transparent Image Support: Perfect for logos and design work. • Live Previews: See pixel dimensions, megapixels, and file size before exporting. • Time-Saving Presets: Customize and sync presets across your devices via iCloud. • Metadata Editing: View and modify EXIF, IPTC, GPS data, and more. • Printing: Print at exact dimensions or scale to fit the page. Try it for free! ---- Advanced Resizing Modes Tailor image size to your needs with these flexible options: • Define width, height, or both. • Set resolution by megapixels (e.g., create a 5 MP image). • Limit file size (e.g., keep images under 1 MB). Handle aspect ratio changes with: • Cropping (customize to your liking). • Deformation. • Border addition in any color. For small images, enlarge with AI or add borders to meet size requirements. Define dimensions in: • Pixels, percentages, inches, centimeters, or millimeters. For printing, specify resolution in: • Pixels per inch (PPI). • Pixels per centimeter (PPCM). Set file size limits in: • Bytes, kilobytes (KB), kibibytes (KiB), megabytes (MB), or mebibytes (MiB). ---- Supported Formats Save images in: • JPEG, HEIC (iPhone 7 or later), TIFF, PNG, GIF, or BMP. Customize format-specific settings: • Compression quality for JPEG and HEIC. • Lossless compression for TIFF. Control file size with precise format adjustments. ---- Terms of Use: https://veprit.com/eula.html Privacy Policy: https://veprit.com/VeprIT-PrivacyPolicy.pdf

Screenshots

Preview mini4 screens
Image resizer, converter iSize4 screens

Verdict

The call

The clearest difference is rating: Image resizer, converter iSize at 4.6 against Preview mini's 4.3. Image resizer, converter iSize also leads on review sentiment (75% vs 63%) and iOS requirement (15.0 vs 18.0). Preview mini's advantage is update cadence (every 10 days vs every 3 weeks). On price, ratings volume, 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. Preview mini sells 2 one-off in-app purchases and Image resizer, converter iSize sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Image resizer, converter iSize holds the better App Store score, 4.6 against 4.3. Both are backed by a comparable volume of ratings — 212 and 133 respectively. Written reviews point the same way: 63% of Preview mini's written reviews are positive against 75% of Image resizer, converter iSize's.

UpkeepUpdate frequency

Preview mini ships an update every 10 days, Image resizer, converter iSize every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Preview mini versus Image resizer, converter iSize: the parameters behind the verdict, then further details
ParameterPreview miniImage resizer, converter iSize
PriceFreeFree
Rating4.3 (212 ratings)4.6 (133 ratings) — better
Positive reviews63.2% of reviews75.0% of reviews — better
Number of ratings212 — better133
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size103 MB198 MB
Age rating4+4+
DeveloperMarian KoenigVeprIT

Customer experience

Preview mini

All ratings212 ratings
Positive80.7%
Neutral4.7%
Negative14.6%
Written reviews68 reviews
Positive63.2%
Neutral10.3%
Negative26.5%

Image resizer, converter iSize

All ratings134 ratings
Positive90.3%
Neutral5.2%
Negative4.5%
Written reviews28 reviews
Positive75.0%
Neutral10.7%
Negative14.3%

User reviews

Preview mini

From 212 App Store ratings

What we love

  • 👍 Useful application, replaces MS Paint
  • 💡 Video tutorials are helpful
  • 🚀 Makes life easier
  • 👍 Wonderful and powerful iPad app
  • 👍 Great replacement for Preview (almost)

Room to improve

  • 🐛 Changes not saved on iPad
  • 🐛 Does not export PDF as picture
  • 🐛 Difficult to use on iPad
  • 🐛 Crashing the app on large PDFs
  • 🐛 Only allows acting on one page at a time

Image resizer, converter iSize

From 133 App Store ratings

What we love

  • 🚀 Quick resizing
  • 👍 Easy to use
  • 💡 Resizes to specific dimensions
  • 💡 Good for sublimation
  • 💡 Can resize by file size (MB)

Room to improve

  • 💰 Too expensive
  • 👎 Output quality not as good
  • 👎 Batch resizing fails
  • 👎 Resize by size not working
  • 👎 Pictures won't load

Bugs and requests

Preview mini

Reported bugs

13 issues
  • Changes not saved when attaching to email
  • App errors out on large PDFs and crashes
  • App shuts down during photo editing, unsaved work lost
  • Cannot type the letter 'y' in documents
  • Payment issues with Apple, requires new credit card data
Show 8 more
  • Pro version not activated after deduction, amount not refunded
  • Errors when trying to buy the full version
  • Small glitch with 'cut' upon install
  • PDF cropping is not the same as Preview
  • Cannot paste as shown in preview videos
  • App hangs during PDF editing, lost entire work
  • No difference found between free and full version after purchase
  • File export only works with paid version

Requested features

27 requests
  • Split-screen or slide-over capability
  • Export PDF as picture (JPG, etc.)
  • Ability to paste one image on top of another
  • Ctrl-Z for quick undo
  • Straight line option for markup
Show 22 more
  • Tiled printing option
  • Export multiple edited images at once
  • Dark mode option
  • Advanced analytics dashboard
  • Ability to add PDF to share sheet
  • Copy & Paste transparent objects
  • More advanced image editing options
  • Slide show functionality
  • Presentation modes for PDFs
  • Ability to rotate and crop PDFs
  • Full screen slide mode
  • PDF filling functionality
  • Selectable fonts
  • Improve PDF cropping
  • Use in extension window for quick edits
  • Allow users to quickly edit inside the extension window
  • Support for share dialog
  • Improve light UI mode
  • Allow users to do to PDF what can be done to images (rotate, cut, add text)
  • Ability to change font size
  • Ability to remove highlighting
  • Better file management applet

Image resizer, converter iSize

Reported bugs

4 issues
  • Batch resizing fails repeatedly
  • Resize by size not working
  • Pictures won't load
  • App not saving to photos

Requested features

7 requests
  • Add Chinese language support
  • Allow repositioning crop box in bulk resize
  • Option to delete original automatically
  • AI for increasing file dimensions
  • Set JPEG quality to 92
Show 2 more
  • Automate fixing aspect ratio
  • Grandfather in previous users for price changes

In-app purchases

2 purchases

Preview mini

One-time2
  • Preview mini PRO$4.99
  • Fullversion$8.99
5 purchases

Image resizer, converter iSize

Subscriptions4
  • iSize weekly$4.997 Days
  • iSize weekly3 Days trial$4.997 Days
  • iSize Yearly$19.991 Year
Show 1 more
  • iSize Yearly3 Days trial$19.991 Year
One-time1
  • iSize Forever$49.99

Questions

Is Preview mini free?
Preview mini is free to download, with in-app purchases available.
Is Image resizer, converter iSize free?
Image resizer, converter iSize is free to download, with in-app purchases available.
Which has better reviews, Preview mini or Image resizer, converter iSize?
Image resizer, converter iSize is rated higher. Preview mini averages 4.3 out of 5 from 212 ratings, while Image resizer, converter iSize averages 4.6 from 133 ratings.
Do Preview mini or Image resizer, converter iSize have ads?
Neither Preview mini nor Image resizer, converter iSize shows ads.
Which is updated more often, Preview mini or Image resizer, converter iSize?
Preview mini ships an update every 10 days, and Image resizer, converter iSize every 3 weeks. Most recently, Preview mini was updated on October 24, 2026 and Image resizer, converter iSize on October 25, 2026.

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