Comparison

Krypton vs Screenshot Zero

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

Head to head
About

Krypton

Securely encrypt and protect your personal documents and folders with strong encryption. This app acts like a digital vault, keeping your sensitive files safe from unauthorized access on your devices and cloud storage.

Highlights
  • Strong encryption for documents and folders
  • Acts as a secure digital vault
  • Supports various file types (pictures, movies, PDFs, etc.)
  • Cloud synchronization with iCloud Drive and Dropbox
  • Available on iOS and macOS
Features
Read full description

Protecting your personal and confidential information since 2009, Krypton is the first, simplest and most reliable App on the iOS Store to strongly encrypt entire documents and folders. Now also available on the macOS App Store. Your stuff is secure from prying eyes no matter where you are in the world. Metaphorically, Krypton keeps your encrypted items in a special vault, with each item contained in their own deposit box; to gain access to an encrypted item the vault must be open and the passcode key must be used to unlock the deposit box before you can discern the plaintext contents inside. In iOS the vault may be open or closed, while on macOS the vault opens upon Log In. Because the unit of encryption is an entire document or folder, Krypton is not a password manager in the traditional sense, although you can maintain a document of all your passwords that you encrypt between uses. Krypton can encrypt any type of document, including but not limited to: • Pictures and movies from your photo album. • Email messages from your mailbox. • Songs, PDFs, movies, Zip files, word processing documents, text files, images, program source code or any other object that you can download over the network or from your personal web server. • Anything on the iOS pasteboard. • Any document other Apps are willing to Share, such as Pages, Numbers and Keynote. • iCloud Drive and Dropbox files for easy cloud synchronization. Krypton uses strong encryption on each item. This has several ramifications: • If your passcode is strong enough to withstand a brute force attack, no one is going to see your stuff. • If you forget your passcode, no one can recover your stuff for you! But only that one document is lost, not your entire collection of items. • Your stuff is secure even if your iDevice or Mac is stolen, or iCloud Drive or Dropbox account is compromised. Visit http://www.bigcatos.com to learn more.

About

Screenshot Zero

Effortlessly declutter your photo library by swiping through screenshots and unwanted images. This utility app offers a simple, ad-free experience with no tracking or recurring fees, allowing you to quickly organize your memories.

Highlights
  • Swipe left to delete, right to keep
  • Year filters for targeted cleaning
  • Select specific albums or entire library
  • Sort photos chronologically
  • Privacy-focused, photos stay on device
  • One-time purchase for unlimited use
Features
Read full description

Drowning in old screenshots and junk photos? Reach “Screenshot Zero” today. Most photo cleaners are subscription traps or interrupt you with ad after ad. Screenshot Zero is different. We built this to give you (and us) a fast, satisfying way to clear the clutter with absolutely no ads, no tracking, and no recurring fees. Swipe left to trash, right to keep - it really is that simple. Why you’ll love it: -Year Filters: Instantly jump to any year to focus your cleaning efforts -Album Selection: Clean specific folders or your entire library -Chronologically Listed: Sort from Oldest or Newest -Dark Mode: A sleek, modern interface that respects your settings -Privacy First: Your photos never leave your device. We don’t collect any data. -One-Time Buy: More money in your pocket. No subscriptions you forget to cancel. Try 25 deletes for free, then pay once to unlock unlimited usage for ever

Screenshots

Krypton4 screens
Screenshot Zero4 screens

Verdict

The call

The clearest difference is price: Screenshot Zero at Free against Krypton's $2.99. Screenshot Zero also leads on update cadence (weekly vs every 10 months). Krypton's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On 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

Screenshot Zero is free to download; Krypton costs $2.99 up front. Screenshot Zero sells 1 one-off in-app purchase. Krypton asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Krypton against 5.0 for Screenshot Zero. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

UpkeepUpdate frequency

Krypton ships an update every 10 months, Screenshot Zero weekly. The most recent releases landed on September 22, 2026 and September 20, 2026 respectively.

Scorecard6 real differences · 4 level
Krypton versus Screenshot Zero: the parameters behind the verdict, then further details
ParameterKryptonScreenshot Zero
Price$2.99Free — better
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews—100.0% of reviews
Number of ratings24 — better
Update frequencyEvery 10 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad
Requires iOS14.0 — better18.1
Further details — not scored
Size110 MB3 MB
Age rating4+4+
DeveloperSteve LidieChristopher Mayfield

Customer experience

Krypton

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Screenshot Zero

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Krypton

No in-app purchases

1 purchases

Screenshot Zero

One-time1
  • Unlimited Access$4.99

Questions

Is Krypton free?
Krypton costs $2.99, with no in-app purchases.
Is Screenshot Zero free?
Screenshot Zero is free to download, with in-app purchases available.
Which has better reviews, Krypton or Screenshot Zero?
Krypton and Screenshot Zero are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Krypton or Screenshot Zero have ads?
Neither Krypton nor Screenshot Zero shows ads.
Which is updated more often, Krypton or Screenshot Zero?
Krypton ships an update every 10 months, and Screenshot Zero weekly. Most recently, Krypton was updated on September 22, 2026 and Screenshot Zero on September 20, 2026.

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