# Omni PDF Unlocker vs Simple Pace

The clearest difference is price: Omni PDF Unlocker at Free against Simple Pace's $0.99. Omni PDF Unlocker also leads on device support (4 vs 2) and iOS requirement (15.6 vs 18.6). Simple Pace's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 4 months). On rating, ratings volume and ads there is nothing between them.

Omni PDF Unlocker is free to download; Simple Pace costs $0.99 up front. Omni PDF Unlocker sells 1 one-off in-app purchase. Simple Pace asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Omni PDF Unlocker against 5.0 for Simple Pace. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews are what separate them: 71% of Omni PDF Unlocker's written reviews are positive against 100% of Simple Pace's.

Omni PDF Unlocker ships an update every 4 months, Simple Pace every 5 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Omni PDF Unlocker | Simple Pace |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/omni-pdf-unlocker-password/id6474602222/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/simple-pace/id6757935168/reviews) |
| Number of ratings | **5** | 4 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 60 MB | 1 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Baofeng County Jixu Education Information Consulting Co., Ltd.](https://appshunter.io/developer/1298441489) | [Kevin Marsden](https://appshunter.io/developer/1839391266) |

## What reviewers say

### Omni PDF Unlocker

[App page](https://appshunter.io/ios/app/omni-pdf-unlocker-password/id6474602222)

Easily remove password protection and restrictions from PDF files with a single click. This utility also allows you to encrypt PDFs with a password to prevent unauthorized viewing or editing. It supports batch processing and operates fully offline for enhanced security.

**Highlights:** Remove PDF password protection, Set passwords to restrict usage, Encrypt PDFs for viewing protection, Batch processing for multiple files, Fully offline operation, Remove edit restrictions without original password

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Omni PDF Unlocker Premium | $4.99 | one-time |


### Simple Pace

[App page](https://appshunter.io/ios/app/simple-pace/id6757935168)

This app helps runners calculate and plan their workout and race paces. It's designed for runners of all levels, from beginners training for a 5K to experienced athletes aiming for a marathon personal best.

**Highlights:** Workout pace planning, Race pace calculation, 5K to marathon training support, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Omni PDF Unlocker free?

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

### Is Simple Pace free?

Simple Pace costs $0.99, with no in-app purchases.

### Which has better reviews, Omni PDF Unlocker or Simple Pace?

Omni PDF Unlocker and Simple Pace are both rated 5.0 out of 5 on the App Store, from 5 and 4 ratings respectively.

### Do Omni PDF Unlocker or Simple Pace have ads?

Neither Omni PDF Unlocker nor Simple Pace shows ads.

### Which is updated more often, Omni PDF Unlocker or Simple Pace?

Omni PDF Unlocker ships an update every 4 months, and Simple Pace every 5 days. Most recently, Omni PDF Unlocker was updated on November 4, 2026 and Simple Pace on October 31, 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.*