# Simpleum Safe Encryption vs PDF Highlighter

The clearest difference is review sentiment: PDF Highlighter at 100% against Simpleum Safe Encryption's 20%. PDF Highlighter also leads on in-app purchases (none vs 6). Simpleum Safe Encryption's advantage is price (Free vs $1.99) and update cadence (every 11 days vs every 5 weeks). On ads, device support and iOS requirement there is nothing between them.

Simpleum Safe Encryption is free to download; PDF Highlighter costs $1.99 up front. Simpleum Safe Encryption sells 5 in-app purchases, starting at $0.99 per month. PDF Highlighter asks for nothing beyond the download.

Simpleum Safe Encryption ships an update every 11 days, PDF Highlighter every 5 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Simpleum Safe Encryption | PDF Highlighter |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.9 (14 ratings)](https://appshunter.io/ios/app/simpleum-safe-encryption/id1547804304/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 185 MB | 7 MB |
| Requires iOS | **17.6** | 18.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Simpleum Media GmbH](https://appshunter.io/developer/1081798041) | [Taptix Ltd](https://appshunter.io/developer/284848263) |

## What reviewers say

### Simpleum Safe Encryption

[App page](https://appshunter.io/ios/app/simpleum-safe-encryption/id1547804304)

Securely store and organize your sensitive documents, photos, and videos with bank-grade encryption. Access your data locally without an internet connection and sync across devices. Offers a free download with in-app purchase options for full functionality.

**Highlights:** AES-256 encryption, Local data storage, Encrypted viewing and editing, Document archiving and organization, Encrypted photo and video capture, Text file creation and editing, Document scanning

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annualy | $6.99 | per year |
| Annual Subscription | $6.99 | per year |
| Annual Family Subscription | $9.99 | per year |
| One time purchase | $22.99 | one-time |


### PDF Highlighter

[App page](https://appshunter.io/ios/app/pdf-highlighter/id6742075741)

Effortlessly highlight key information in PDF documents with custom colors and multiple search terms. This tool automates the highlighting process, saving time for professionals and students alike. Export or print your annotated PDFs with ease.

**Highlights:** Automatic highlighting of words and phrases, Multiple highlight colors, Supports multiple search terms, Regular expression support for advanced searches, Export and print highlighted documents, Direct sharing from other apps

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Simpleum Safe Encryption free?

Simpleum Safe Encryption is free to download, with in-app purchases available.

### Is PDF Highlighter free?

PDF Highlighter costs $1.99, with no in-app purchases.

### Do Simpleum Safe Encryption or PDF Highlighter have ads?

Neither Simpleum Safe Encryption nor PDF Highlighter shows ads.

### Which is updated more often, Simpleum Safe Encryption or PDF Highlighter?

Simpleum Safe Encryption ships an update every 11 days, and PDF Highlighter every 5 weeks. Most recently, Simpleum Safe Encryption was updated on October 9, 2026 and PDF Highlighter on October 3, 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.*