# Data Protector vs Calc Bookmark

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.

Both are free to download. Data Protector sells 1 one-off in-app purchase. Calc Bookmark asks for nothing beyond the download.

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

## The numbers

| Metric | Data Protector | Calc Bookmark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/calc-bookmark-save-website/id6473275392/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Ad-supported |
| Size | 11 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Ihsan Ullah](https://appshunter.io/developer/1488089071) | [Sota Takasugi](https://appshunter.io/developer/1713502017) |

## What reviewers say

### Data Protector

[App page](https://appshunter.io/ios/app/data-protector-file-vault/id6469511567)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Pro Version | $2.99 | one-time |


### Calc Bookmark

[App page](https://appshunter.io/ios/app/calc-bookmark-save-website/id6473275392)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*