Comparison

Data Protector vs Calc Bookmark

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

Head to head
About

Data Protector

Features
Read full description

Keep your sensitive data 100% secure and confidential with the free app Lock File Guard. It offers unparalleled security and unique features to hide and lock images, videos, passwords, and files with ease. Secret Photo Vault takes control of your digital privacy which deserves the best protection. Files Security - Hide and protect your important files - Encrypt and decrypt files with a single tap - Support for various file types Secret Photo and Video Vault - Create a secret vault for your videos and images - Keep them hidden from prying eyes - Organize and manage your media with an intuitive interface. Password Protection - Safely unlock your private data with Biometric authentication (fingerprint or Face ID) and PIN. - Generate strong, unique password for enhanced security - No need to remember complex passwords. - Protect your social account passwords to prevent privacy leaks. In-App Media Playback - Enjoy smooth playback of videos and images directly within the File guard - No need to move files in and out of the vault for viewing Browse Safely - Provides a private browsing experience with no search history. Password Recovery - Recover your passcode with your email address and access your private information effortlessly. Disclaimer File Guard stores all encrypted data locally on your device with no server backup. Unlike cloud-based services, your files, videos, images, and passwords are not stored on any external servers. This ensures that you have complete control over your data within the confines of your device. Premium Plan For unlimited storage, ads-free privacy protection, and cloud backup, choose the monthly, yearly, or one-time subscription plan. - Your payment will be charged to your iTunes Account at confirmation of purchase. - Your subscription will renew automatically but you can also turn off auto-renewal by accessing your Account Settings at least 24 hours before the end of the current period. - No cancellation of the current subscription is allowed during the active subscription period.

About

Calc Bookmark

This app disguises itself as a calculator to secretly store your website bookmarks. It uses a calculator interface for both its icon and startup, making it difficult for others to discover your hidden links.

Highlights
  • Calculator disguise
  • Hidden bookmark storage
  • Password protection
  • Browser share integration
  • Secure website access
Features
Read full description

【Looks like a calculator! Inside is a bookmark】 This application allows you to create hidden bookmarks on your calculator for websites you do not want others to know about! The icon, name, and startup screen are the calculator itself, so it is hard for people to know that it is a bookmark application. 【Use】 1 Set a password when you start the application for the first time. Never forget your password! Do not enter a password that starts with 0. Example: 0000, 012, 0801 2 Enter the password using the calculator keys, and tap the “=” key. 3 You can open the secret bookmark. 【Add bookmarks】 •Press the "+" button that appears when you open a bookmark. •Select this application from the browser's share button. ※We are not responsible for any problems that occur at bookmarked sites.

Screenshots

Data Protector4 screens
Calc Bookmark3 screens

Verdict

The call

The clearest difference is in-app purchases: Calc Bookmark at none against Data Protector's 1. Calc Bookmark also leads on update cadence (weekly vs monthly). Data Protector's advantage is iOS requirement (14.0 vs 17.0). 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. Data Protector sells 1 one-off in-app purchase. Calc Bookmark asks for nothing beyond the download.

UpkeepUpdate frequency

Data Protector ships an update monthly, Calc Bookmark weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Data Protector versus Calc Bookmark: the parameters behind the verdict, then further details
ParameterData ProtectorCalc Bookmark
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyMonthlyWeekly — better
AdsYesYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size11 MB8 MB
Age rating4+9+
DeveloperIhsan UllahSota Takasugi

In-app purchases

1 purchases

Data Protector

One-time1
  • Get Pro Version$2.99
None

Calc Bookmark

No in-app purchases

Questions

Is Data Protector free?
Data Protector is free to download, with in-app purchases available.
Is Calc Bookmark free?
Calc Bookmark is free to download, with no in-app purchases.
Do Data Protector or Calc Bookmark have ads?
Both Data Protector and Calc Bookmark show ads.
Which is updated more often, Data Protector or Calc Bookmark?
Data Protector ships an update monthly, and Calc Bookmark weekly. Most recently, Data Protector was updated on November 3, 2026 and Calc Bookmark on November 4, 2026.

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