# PDF Protector vs Krishna LMS

The clearest difference is in-app purchases: Krishna LMS at none against PDF Protector's 3. Krishna LMS also leads on review sentiment (100% vs 71%) and update cadence (every 3 days vs every 3 weeks). PDF Protector's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. PDF Protector sells 3 one-off in-app purchases. Krishna LMS asks for nothing beyond the download.

PDF Protector ships an update every 3 weeks, Krishna LMS every 3 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | PDF Protector | Krishna LMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pdf-protector/id566631581/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 71.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | **Free** | Ad-supported |
| Size | 9 MB | 23 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Daniel Witt](https://appshunter.io/developer/1438848391) | [KIS IT SERVICES PVT. LTD.](https://appshunter.io/developer/1816691449) |

## What reviewers say

### PDF Protector

[App page](https://appshunter.io/ios/app/pdf-protector/id566631581)

Secure your PDF documents with robust password protection and encryption. This tool allows you to restrict printing, copying, and content extraction, while also enabling decryption of protected files. Protect sensitive information quickly and reliably.

**Highlights:** Encrypt PDF files with password protection, Restrict printing and copying, Decrypt protected PDFs, Create reusable security profiles, Protect multiple files at once, Fast and intuitive interface

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version for iPhone & iPad | $4.99 | one-time |
| Full Version for Mac | $9.99 | one-time |
| Full Version for All Devices | $12.99 | one-time |


### Krishna LMS

[App page](https://appshunter.io/ios/app/krishna-lms-loan-management/id6746407751)

This application streamlines loan management for financial institutions, automating processes from origination to closure. It offers features like customisable terms, payment tracking, real-time updates, and detailed reporting for improved efficiency and accuracy.

**Highlights:** Loan origination and approval, Disbursement and repayment tracking, Customisable loan terms, Real-time updates and reporting, Hypothecation management, Client portal access, Tally integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Protector free?

PDF Protector is free to download, with in-app purchases available.

### Is Krishna LMS free?

Krishna LMS is free to download, with no in-app purchases.

### Do PDF Protector or Krishna LMS have ads?

Krishna LMS shows ads; PDF Protector does not.

### Which is updated more often, PDF Protector or Krishna LMS?

PDF Protector ships an update every 3 weeks, and Krishna LMS every 3 days. Most recently, PDF Protector was updated on October 17, 2026 and Krishna LMS on October 14, 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.*