Comparison

Owlio vs Image Stack

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

Head to head
About

Owlio

Features
Read full description

Owlio: Capture Life in 360° Transform how you see the world with Owlio, the ultimate 360° camera app that fits right in your pocket! Whether you're documenting unforgettable travel memories, showcasing real estate, or creating immersive digital experiences, Owlio brings every detail into focus, allowing you to capture, edit, and share scenes like never before. Seamless 360° Capture and Stitching With Owlio, capturing panoramic photos is effortless. Take a single 360° shot, and our app will handle the stitching automatically—no external equipment needed! Every image is stitched in-device for a seamless, high-quality finish. Precision in Every Shot: Manual Mode & Nodal Ninja Mini Support Owlio offers a unique Manual Mode, allowing you to control each capture for those who want maximum accuracy. For even more precise results, use Owlio with the Nodal Ninja Mini, a compatible panoramic head, to ensure every angle is captured with perfect alignment. This feature is ideal for users aiming for professional-grade, stitch-perfect images. Powerful Studio Editor Our Studio editor is packed with tools that turn your photos into masterpieces. Remove unwanted objects, color grade your shots to perfection, and apply AI-driven filters that elevate your images to a whole new level. Bring your visions to life without the need for complex editing software. Made for Creators, Designed for Everyone Whether you're an experienced creator or just getting started, Owlio is designed to help you capture stunning visuals with ease. Plus, our streamlined interface ensures that every feature is at your fingertips. Share and Showcase with Ease Easily export and share your images with friends, family, or clients across any platform. Show the world the whole picture with just a few taps. Key Features: • 360° Photo Capture & Stitching – In-device processing, no extra hardware needed. • Manual Mode & Nodal Ninja Mini Compatibility – For precision and professional-grade captures. • Advanced Studio Editor – Remove objects, color grade, and apply AI-driven filters. • Effortless Sharing – Export high-quality images and share them seamlessly. Owlio brings your moments, spaces, and stories to life in full 360°. Dive into a new way of capturing memories—download Owlio today and start seeing the world from every angle! You may purchase an auto-renewing subscription through an In-App Purchase to access premium features: - Auto-renewable Subscriptions: - $9.99 per month (billed monthly) - $59.99 per year (billed annually) Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You can manage or turn off auto-renewal in your Apple ID Account Settings after purchase. For more details, please refer to: Terms of Use: https://owlio.app/terms.html Privacy Policy: https://owlio.app/privacy.html

About

Image Stack

This app streamlines image processing by allowing batch conversion, resizing, and renaming. Apply presets, add watermarks, and adjust quality settings with ease. It's designed for efficient handling of multiple images across devices.

Highlights
  • Batch image conversion
  • Apply multiple presets
  • Rename files
  • Resize images
  • Add overlays/watermarks
  • Adjust quality and metadata
  • iCloud preset sync
Features
Read full description

Image Stack converts images using presets to change formats, resize, rename, and more—whether you’re processing one image or thousands, everything is ready with just a few taps. KEY FEATURES • Batch convert images into modern formats • Apply one or more presets to avoid repetitive work • Rename files with prefixes, suffixes, or replacements • Resize images to match your requirements • Add overlays such as watermarks • Adjustable quality and metadata options • Drag-and-drop simplicity • Presets sync via iCloud for all your devices • Ultra-fast processing • Works on both macOS and iOS and iPadOS IDEAL FOR • Photographers organizing shoots • Designers exporting assets • Content creators preparing media • Anyone converting or renaming small or large image sets Image Stack is free to download and use. You can work with the app for as long as you like. To unlock the full experience and remove trial limits—such as the daily image limit—you can activate the full version with a one-time in-app purchase. The purchase is valid across all versions of Image Stack, including Mac, iPhone, and iPad. Is there any feature you are missing? Let me know!

Screenshots

Owlio4 screens
Image Stack4 screens

Verdict

The call

The clearest difference is ads: Image Stack at none against Owlio's shown. Image Stack also leads on device support (3 vs 1). Owlio's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases and iOS requirement 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. Owlio sells 2 in-app purchases, starting at $9.99 per month and Image Stack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Owlio ships an update every 3 days, Image Stack monthly. The most recent releases landed on September 23, 2026 and September 29, 2026 respectively.

Scorecard3 real differences · 5 level
Owlio versus Image Stack: the parameters behind the verdict, then further details
ParameterOwlioImage Stack
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyEvery 3 days — betterMonthly
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad, Mac — better
Requires iOS17.4 — better18.0
Further details — not scored
Size425 MB13 MB
Age rating4+4+
DeveloperOwlio IncDaniel Witt

In-app purchases

2 purchases

Owlio

Subscriptions2
  • Monthly$9.991 Month
  • Yearly$59.991 Year
1 purchases

Image Stack

One-time1
  • Full Version$9.99

Questions

Is Owlio free?
Owlio is free to download, with in-app purchases available.
Is Image Stack free?
Image Stack is free to download, with in-app purchases available.
Do Owlio or Image Stack have ads?
Owlio shows ads; Image Stack does not.
Which is updated more often, Owlio or Image Stack?
Owlio ships an update every 3 days, and Image Stack monthly. Most recently, Owlio was updated on September 23, 2026 and Image Stack on September 29, 2026.

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