Comparison

Dùn vs Sub Security

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

Head to head
About

Dùn

Features
Read full description

A private space for personal links. Dùn gives you a separate place to save links you don't want mixed with your browser history, Safari suggestions, or shared devices. Face ID protected. Local storage. No accounts. FEATURES - Save from Safari or any app via Share Sheet - Organize with simple tags - Search instantly - Face ID/Touch ID lock - Optional date tracking (for renewals, timestamps, etc.) - Encrypted backup and restore PRIVACY BY DESIGN - All data stored locally on your device - No cloud sync - No tracking or analytics of your links - No accounts required DÙN UNLIMITED Dùn Unlimited is a yearly auto-renewing subscription that unlocks saving links, in the app and from the Share Sheet. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings › Apple Account › Subscriptions. Some things don't belong everywhere. Dùn keeps them separate, private, and easy to find when you need them. Terms of Use: https://trydun.app/#terms-of-service Privacy Policy: https://trydun.app/#privacy-policy

About

Sub Security

Features
Read full description

Sub Security is your all-in-one privacy companion for iPhone. Stay safer online, reduce distractions, and keep personal content out of sight — all from a clear security dashboard. VPN — browse privately Connect through an encrypted tunnel for safer browsing on public Wi‑Fi and everyday networks. Switch servers and keep your connection protected wherever you go. Ad Block — cleaner browsing Cut down on ads, pop-ups, and tracking noise for a faster, less cluttered experience across Safari. Private Browser — leave no trail Search and browse without saving history, cookies, or trackers. Open a clean session whenever you want more privacy. Photo Vault — lock what matters Store private photos and videos behind a passcode so they stay hidden from prying eyes. Study Room — learn to stay safe Read short cybersecurity tips on passwords, phishing, public Wi‑Fi, and everyday privacy habits. Security score at a glance See your protection level on the home screen and turn features on as you need them. Build stronger habits with simple tools designed for daily use. Whether you’re on café Wi‑Fi, clearing clutter from the web, or locking personal photos, Sub Security helps you take control of your privacy in a few taps. Download Sub Security and start protecting your digital life today. Privacy Policy and Terms Of Use https://docs.google.com/document/d/1kCYE-wQEp2A4fmqUhfjVH2_JVXT42fQ2JWQaW7EBi1U/edit?usp=sharing

Screenshots

Dùn4 screens
Sub Security4 screens

Verdict

The call

Dùn and Sub Security are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Dùn sells 1 in-app purchase, starting at $9.99 per year and Sub Security sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Dùn versus Sub Security: the parameters behind the verdict, then further details
ParameterDùnSub Security
PriceFreeFree
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS18.618.0 — better
Further details — not scored
Size14 MB9 MB
Age rating+417+
DeveloperRafael SchmittSONATA COMMERCE LP

In-app purchases

1 purchases

Dùn

Subscriptions1
  • Dun Unlimited$9.991 Year
2 purchases

Sub Security

Subscriptions2
  • Sub Security Subscription Week$5.997 Days
  • Sub Security Subscription Year$59.991 Year

Questions

Is Dùn free?
Dùn is free to download, with in-app purchases available.
Is Sub Security free?
Sub Security is free to download, with in-app purchases available.
Do Dùn or Sub Security have ads?
Neither Dùn nor Sub Security shows ads.

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