Comparison

HashPhotos vs SLImageViewer

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

Head to head
About

HashPhotos

This app offers a comprehensive solution for managing, editing, and organizing your photos and videos. It provides advanced tools for cleaning up your library, searching for specific images, and enhancing your media with a robust editor. Enjoy a private and customizable photo experience.

Highlights
  • Organize photos with keywords and smart albums
  • Find and remove duplicate photos
  • Advanced search with filters
  • Built-in photo and video editor
  • Private local library with passcode protection
  • Import/export via Wi-Fi
  • Customizable viewer and thumbnail options
Features
Read full description

Tired of the Photos app falling short? HashPhotos gives you real control over your photo library — the way it should have always worked. Organize your memories the way you want. Find any photo in seconds. Clean up your library with ease. All with a rich set of tools for photos and videos, built right in. HashPhotos works seamlessly with your iOS photo library, and also includes a Local Library for photos you want to keep completely private. Your privacy is our priority. HashPhotos never transmits your photos or personal data to external servers. Everything stays on your device. ◆ Organize · Keywords (tags), searchable in Apple Photos as well · Smart Album · Uncategorized Album (See photos not in an album) · Tray, Album Bar, Album Picker · Add To Album (with quick access to Pinned and Recents) · 5-Star Rating ◆ Clean Up · Find Duplicates · Find Similar Photos · Compare and Pick ◆ Navigate & Search · Search by keywords, built-in filters (format, size, title, filename, caption, location, and more), date/period, and dimensions · Timeline and Events · Map View · Calendar · Customizable sidebar with pin album support · Album picker with grid view ◆ Viewer · Photo and Video Information · Metadata Viewer · Histogram · Animated Image (GIF, PNG, WebP, HEICS, AVIF) · Live Text and Cut-out Object · Memo ◆ Customization · Thumbnails: sort (by date, size, filename, duration, rating, shuffle), grouping, layout styles (grid, mosaic, natural, waterfall), size, spacing, badges, additional info · Viewer: UI visibility controls, video/Live Photo playback options, customizable gesture actions, and more · Per-album view options, sidebar, and more ◆ Import & Export · Import files and folders · Export albums or folders · Send to / receive from Mac or PC via Wi-Fi · Save to Files (including Live Photos) · System share integration ◆ Security & Privacy · Local Library (Local / Private Album) · Passcode and Face ID · Fake Passcode for unlocking Private Album · Privacy Options ◆ Photo Editor · Crop, Rotate, Flip, Angle · Adjustments and Filters (60+) · Image / Text Overlay, Drawing, Stickers · Blur, Tilt Shift, Shape Mask · Eraser (Remove Background) · Frame ◆ Video Editor · Trim, Flip, Rotate · Filter and Adjustments ◆ Tools · Convert: image format, video/Live Photo to animated image (GIF, PNG, WebP), Live Photo to video or still image · Batch Edit: apply filter, resize, rotate, flip, invert color · Properties: adjust date/time, location, title, memo, favorite · Metadata: edit, remove, import IPTC Keywords · Utilities: combine photos, create animated GIF, slideshow, extract video frame, hide faces, show photos nearby ◆ Embedded Camera · Save photos directly into an album · Take photos with a filter See more at https://hashphotos.app Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SLImageViewer

Features
Read full description

SL.ImageViewer is a fast and straightforward image viewer for iPhone, iPad, and Mac. Open individual images or entire folders, browse your collection with ease, and inspect every detail in full screen, at actual pixel size, or with the built-in magnifier. SLImageViewer also includes practical image-editing tools. Rotate, flip, crop, and resize your images. Adjust brightness, contrast, and white balance, apply automatic enhancement, or create grayscale and inverted versions. Image information and camera data are presented in a clear, structured layout. Selected metadata—including the description, photographer, capture date, location, and copyright information—can be edited directly. Images can then be shared or converted to another format. The responsive ribbon automatically adapts to the available screen size, providing convenient access to every feature across all supported devices. Key features: • Open individual images or complete image folders • Browse quickly using the filmstrip • Slideshow and full-screen modes • Pixel-perfect 100% view • Built-in magnifier for fine details • Gesture and scroll-wheel navigation • Rotate and flip images horizontally or vertically • Freeform cropping and predefined image sizes • Resize images by percentage • Adjust brightness, contrast, and white balance • Automatic image enhancement • Grayscale and inversion effects • Undo and redo editing steps • View file, camera, and EXIF information • Edit selected image metadata • Share images and convert between image formats • Light or dark viewing background • Thumbnail caching for faster browsing • German and English interface • Optimized for iPhone, iPad, and Mac

Screenshots

HashPhotos4 screens
SLImageViewer2 screens

Verdict

The call

The clearest difference is in-app purchases: SLImageViewer at none against HashPhotos's 9. SLImageViewer also leads on update cadence (every 4 days vs weekly). HashPhotos's advantage is iOS requirement (17.0 vs 26.6). On price, ads 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

Both are free to download. HashPhotos sells 9 in-app purchases, starting at $1.99 per month. SLImageViewer asks for nothing beyond the download.

UpkeepUpdate frequency

HashPhotos ships an update weekly, SLImageViewer every 4 days. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
HashPhotos versus SLImageViewer: the parameters behind the verdict, then further details
ParameterHashPhotosSLImageViewer
PriceFreeFree
Rating4.7 (2.5K ratings) — better—
Positive reviews79.0% of reviews—
Number of ratings2.5K — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better26.6
Further details — not scored
Size143 MB4 MB
Age rating4+4+
DeveloperbeyondfStefan Lux Dr

Bugs and requests

HashPhotos

Reported bugs

3 issues
  • Crashes when zooming in on videos
  • Issues with importing photos from external sources
  • Inconsistent behavior when moving photos between albums

Requested features

5 requests
  • Ability to sort photos by file name or size
  • Enhanced batch editing and processing tools
  • Improved syncing and backup options
  • Better integration with Apple Photos and other photo apps
  • More customization options for the user interface

SLImageViewer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

HashPhotos

Subscriptions2
  • Pro Monthly3 Days trial$1.991 Month
  • Pro Yearly7 Days trial$9.991 Year
One-time7
  • Tip - Nice One$1.99
  • Tip - Awesome$4.99
  • Tip - You Rock$9.99
Show 4 more
  • Tip - Legend$19.99
  • All in One Pack$24.99
  • Pro Lifetime$24.99
  • All in One (Legacy)$34.99
None

SLImageViewer

No in-app purchases

Questions

Is HashPhotos free?
HashPhotos is free to download, with in-app purchases available.
Is SLImageViewer free?
SLImageViewer is free to download, with no in-app purchases.
Do HashPhotos or SLImageViewer have ads?
Neither HashPhotos nor SLImageViewer shows ads.
Which is updated more often, HashPhotos or SLImageViewer?
HashPhotos ships an update weekly, and SLImageViewer every 4 days. Most recently, HashPhotos was updated on November 1, 2026 and SLImageViewer on October 26, 2026.

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