Comparison

CAL vs OK Browser

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

Head to head
About

CAL

This app functions as a disguised calculator to securely store your private photos, videos, notes, and passwords. It offers a decoy vault, intruder alerts, and a private browser with ad blocking for enhanced privacy.

Highlights
  • Disguised calculator interface
  • Decoy vault with fake passcode
  • Intruder selfie and break-in alerts
  • Private browser with ad blocker
  • Encrypted iCloud backup and sync
  • Password manager and hidden contacts
Features
Read full description

CAL is a secret vault hidden behind a real calculator — with a Decoy Vault that shows harmless content to anyone who forces you to unlock it. Hide photos, videos, notes, passwords and contacts. Browse ad-free and privately. Catch intruders in the act. DECOY VAULT — THE PASSWORD THAT LIES FOR YOU Set a second, fake passcode. Enter it under pressure and CAL opens a completely different vault filled with safe, boring content. Your real photos stay invisible. Nobody can tell the difference. HIDES IN PLAIN SIGHT CAL looks and works like a normal calculator. Type your PIN and press "=" to unlock the vault. Change the app icon to blend in even further. PANIC BUTTON One tap and everything disappears. Perfect when someone reaches for your phone. FACEDOWN LOCK Caught off guard? Place your phone face down and the vault closes instantly — lock the screen or jump straight to the calculator. BREAK-IN ALERTS (INTRUDER SELFIE) Wrong passcode? CAL silently snaps a photo of whoever tried and logs the time and location. Know exactly who has been snooping. SECRET PHOTO & VIDEO VAULT • Import photos, videos, audio, PDFs, Word docs — any file • Organize in private folders and albums • Built-in photo viewer and video player • Remove imported items from your camera roll PRIVATE BROWSER WITH AD BLOCKER • Blocks ads and trackers inside CAL's private browser • Faster, cleaner pages — no pop-ups, no pop-unders • No history, no cookies, no traces left when you close it • Download photos and videos straight into your vault MORE PRIVACY TOOLS • Password manager with secure notes • Hidden contacts • Private notes • Encrypted iCloud Backup & Sync — restore everything on a new device YOUR DATA STAYS YOURS Everything is encrypted on your device. CAL never sees your files, your passcode or your browsing. No accounts required. CAL PREMIUM Unlock unlimited storage, Decoy Vault, Break-In Alerts, ad-free private browsing and iCloud Backup. Weekly, monthly and yearly plans include a 3-day free trial. Lifetime plan available — pay once, own it forever. Payment is charged to your Apple ID at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://drive.google.com/file/d/1T3pVkOHm5yABRmrlu5RxcmgcrbnSDJ7f/view Privacy Policy: https://drive.google.com/file/d/11UGxOAPh3mL9wDY1iDQwqoC2XgWkiGEm/view Your secrets deserve a decoy. Download CAL.

About

OK Browser

A fast and secure web browser that allows for offline video saving and cloud storage. Enjoy high-quality playback and multi-device synchronization for your media.

Highlights
  • Swift browsing engine
  • State-of-the-art encryption for security
  • Offline media viewing with caching
  • Free cloud storage for pictures and videos
  • High-quality 4K video playback
  • Multi-device synchronization
Features
Read full description

experience while effortlessly saving HD videos for offline viewing. Additionally, you can use cloud storage to save your favorite videos and access them anytime. 【Swift Browsing】 Our high-performance browsing engine delivers a smooth and efficient online experience, allowing you to surf the web without interruptions. 【Secure Protection】 Your privacy is our commitment. OK Browser employs state-of-the-art encryption to keep your files secure, giving you peace of mind knowing your data is protected. 【Offline Media Viewing】 With intelligent detection and high-speed caching, you can easily access your favorite content offline, anytime and anywhere. 【Free Cloud Save for Pics & Vids】 Enjoy ample free storage with multi-device synchronization, making it easy to access your files whenever you need them. 【High-Quality Playback】 Our app supports multiple formats and 4K video playback, delivering an exceptional viewing experience. 【Subscription Plans】 Unlock premium features with our flexible membership options: Weekly Membership (1 Week): USD $2.99 Monthly Membership (1 Month): - New User Discount: USD $0.99 (automatically applied if you haven't subscribed before) - Standard Price: USD $9.99 Yearly Membership (1 Year): USD $99.99 After subscribing through Apple, payment will be deducted from your App Store account. You can cancel the subscription more than 24 hours before the current subscription period ends. 【User Agreements & Policies】 Auto-Renewal Agreement: https://sites.google.com/view/ok-browser-auto-renewal-ios Privacy Policy: https://www.privacypolicies.com/live/1d4a09c3-7bb2-4548-ac5f-a3e3b2220763 User Agreement: https://sites.google.com/view/user-agreement-ok-browser

Screenshots

CAL4 screens
OK Browser4 screens

Verdict

The call

The clearest difference is review sentiment: CAL at 43% against OK Browser's 0%. CAL also leads on rating (4.6 vs 2.3) and ratings volume (9 vs 3). On price, update cadence, ads and in-app purchases 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. CAL sells 5 in-app purchases, starting at $1.99 per month and OK Browser sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CAL holds the better App Store score, 4.6 against 2.3. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 43% of CAL's written reviews are positive against 0% of OK Browser's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
CAL versus OK Browser: the parameters behind the verdict, then further details
ParameterCALOK Browser
PriceFreeFree
Rating4.6 (9 ratings) — better2.3 (3 ratings)
Positive reviews42.9% of reviews — better0.0% of reviews
Number of ratings9 — better3
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhoneiPhone
Requires iOS16.016.0
Further details — not scored
Size31 MB144 MB
Age rating17+17+
DeveloperWiz StudioFunsMate

Customer experience

CAL

All ratings9 ratings
Positive88.9%
Neutral11.1%
Negative0.0%
Written reviews7 reviews
Positive42.9%
Neutral0.0%
Negative57.1%

OK Browser

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

5 purchases

CAL

Subscriptions4
  • Premium$1.991 Month
  • Package Premium Monthly7 Days trial$2.991 Month
  • Premium Annually7 Days trial$19.491 Year
Show 1 more
  • Premium - Secret Data Annually$20.991 Year
One-time1
  • Package Premium Lifetime$30.99
3 purchases

OK Browser

Subscriptions3
  • OK Browser Premium (Weekly)$2.997 Days
  • OK Browser Premium (Monthly)1 Month trial$9.991 Month
  • OK Browser Premium (Annually)$99.991 Year

Questions

Is CAL free?
CAL is free to download, with in-app purchases available.
Is OK Browser free?
OK Browser is free to download, with in-app purchases available.
Which has better reviews, CAL or OK Browser?
CAL is rated higher. CAL averages 4.6 out of 5 from 9 ratings, while OK Browser averages 2.3 from 3 ratings.
Do CAL or OK Browser have ads?
Neither CAL nor OK Browser shows ads.
Which is updated more often, CAL or OK Browser?
CAL ships an update every 2 weeks, and OK Browser every 2 weeks. Most recently, CAL was updated on November 6, 2026 and OK Browser on November 3, 2026.

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