Comparison

LightYou vs Photo Margin

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

Head to head
About

LightYou

Save, organize, and understand web articles with AI. This app transforms your reading into a searchable knowledge vault, offering a distraction-free reader, annotation tools, and spaced repetition for long-term retention. It prioritizes user privacy with local storage and optional WebDAV sync.

Highlights
  • One-tap article saving
  • Customizable reader view
  • Highlighting and annotation
  • AI-powered chat and summaries
  • Spaced repetition review
  • WebDAV sync for cross-device access
  • Offline reading
Features
Read full description

LightYou — Your Reading Library, Reimagined Save every article worth reading. Highlight what matters. Ask AI anything about your library. LightYou turns the web into your personal, searchable knowledge vault. ▸ SAVE IN ONE TAP Share from Safari, Twitter, or anywhere on iOS. LightYou extracts the article content — no ads, no clutter, just the words. ▸ BEAUTIFUL READER Customize font, size, and theme (light, sepia, dark). Reader view strips out distractions so you can focus on what matters. ▸ HIGHLIGHT & ANNOTATE Select any text to highlight it in three colors. Add private notes. Your highlights become a searchable knowledge base. ▸ AI-POWERED UNDERSTANDING Chat with any article — ask questions, get summaries, translate passages, or explain difficult concepts. Powered by your choice of LLM API. ▸ SPACED REPETITION REVIEW LightYou surfaces articles worth revisiting on a spaced schedule, so the ideas you care about stay with you long-term. ▸ HOME SCREEN WIDGET A beautiful iOS widget keeps your top review items one glance away — with native dark mode support. ▸ WEBDAV SYNC Sync articles, highlights, and notes across all your devices via your own WebDAV server. Your data stays yours — no third-party accounts required. ▸ PRIVACY FIRST All articles stored locally on your device. AI requests use your own API keys. Optional WebDAV sync uses your own server. We never see your data. ▸ OFFLINE READING Saved articles are cached locally — read anytime, anywhere, with no connection. ▸ BEAUTIFUL IN BOTH LANGUAGES Full Chinese and English support, with typography that respects each language. Whether you're a researcher, student, writer, or just a curious reader, LightYou helps you go from "I'll read this later" to actually reading, understanding, and remembering. Start building your library today.

About

Photo Margin

Organize your iPhone's photo library locally. Review and manage photos and videos in batches, separating new arrivals from older items. Protect, delete, or keep media with intuitive swipe gestures, all processed on your device.

Highlights
  • On-device processing
  • Batch duplicate and similar photo comparison
  • Swipe gestures for protect/delete/keep
  • Sort large videos by file size
  • Pause and resume analysis
  • Local-first organization
Read full description

Photo Margin is a local-first photo library organizer for iPhone. Separate new arrivals from older items and review photos and videos in batches by type, month, date or album. Reviewed and protected items stay out of unreviewed lists. Results are candidates for your review; you always decide what to keep. Features: • On-device processing: no photos or videos are uploaded to the developer's servers • Compare duplicate and similar photos side by side, in batches of up to five groups • Swipe up to protect photos and videos; manage protection in Settings • Review older screenshots in batches and sort large videos by file size • Swipe left to set an item aside for deletion, right to keep it, or tap the buttons • Zoom photos, play videos and restore candidates in the pending deletion list • Pause and resume analysis, with clear iCloud and read-failure feedback • Confirm final deletion through iOS Free and Pro: • Free: unlimited scanning and keeping, plus 30 items per rolling 24 hours into the To delete list • 7-day free trial: you start it, it ends on its own; nothing is charged or renewed • Photo Margin Pro: unlimited review with a yearly subscription, or a one-time lifetime purchase • Subscriptions renew automatically through Apple and can be cancelled anytime in Settings → Apple Account → Subscriptions No account or registration is required. Photo Margin does not create a cloud photo library. You control access through the system Photos permission. If an asset is stored in iCloud, iOS may download it for display or playback. English and Simplified Chinese interfaces follow your device or app language. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://catteacher0515.github.io/privacy/en/

Screenshots

LightYou4 screens
Photo Margin4 screens

Verdict

The call

The clearest difference is update cadence: Photo Margin at daily against LightYou's every 3 weeks. LightYou's advantage is monetization model (free vs freemium) and device support (3 vs 1). On price, rating, ratings volume and ads 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. LightYou sells 1 one-off in-app purchase and Photo Margin sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for LightYou against 5.0 for Photo Margin. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

LightYou ships an update every 3 weeks, Photo Margin daily. Both last shipped on October 31, 2026.

Scorecard3 real differences · 6 level
LightYou versus Photo Margin: the parameters behind the verdict, then further details
ParameterLightYouPhoto Margin
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size60 MB4 MB
Age rating4+4+
Developer涛 李博 刘

In-app purchases

1 purchases

LightYou

One-time1
  • LightYou Support Tip$1.99
4 purchases

Photo Margin

Subscriptions3
  • Photo Margin Pro Monthly$1.991 Month
  • Photo Margin Pro Yearly$4.991 Year
  • Photo Margin Pro Quarterly$4.993 Months
One-time1
  • Photo Margin Pro Lifetime$9.99

Questions

Is LightYou free?
LightYou is free to download, with in-app purchases available.
Is Photo Margin free?
Photo Margin is free to download, with in-app purchases available.
Which has better reviews, LightYou or Photo Margin?
LightYou and Photo Margin are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do LightYou or Photo Margin have ads?
Neither LightYou nor Photo Margin shows ads.
Which is updated more often, LightYou or Photo Margin?
LightYou ships an update every 3 weeks, and Photo Margin daily. Most recently, LightYou was updated on October 31, 2026 and Photo Margin on October 31, 2026.

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