# MobilePKI vs Modex

The clearest difference is in-app purchases: MobilePKI at none against Modex's 5. MobilePKI also leads on iOS requirement (8.1 vs 16.4). Modex's advantage is update cadence (weekly vs every 4 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Modex sells 5 one-off in-app purchases. MobilePKI asks for nothing beyond the download.

MobilePKI ships an update every 4 weeks, Modex weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | MobilePKI | Modex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/modex-build-your-own-browser/id6758968420/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 46 MB |
| Requires iOS | **8.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Changing Information Technology Inc.](https://appshunter.io/developer/329855504) | [Olsonify, LLC](https://appshunter.io/developer/1725555795) |

## What reviewers say

### MobilePKI

[App page](https://appshunter.io/ios/app/mobilepki/id529705563)

**In-app purchases:** none


### Modex

[App page](https://appshunter.io/ios/app/modex-build-your-own-browser/id6758968420)

This browser allows you to customize any website using AI. Simply describe the changes you want, and it instantly reshapes the page. Enjoy a personalized web experience with features like dark mode, reading mode, and pop-up removal.

**Highlights:** AI-powered website customization, Custom extensions generated from plain English, Burner Mode for private browsing, Extensions saved and synced across devices, Dark mode and gesture navigation, No coding required

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Tokens | $4.99 | one-time |
| 15 Tokens | $9.99 | one-time |
| 35 Tokens | $19.99 | one-time |
| 100 Tokens | $49.99 | one-time |
| 250 Tokens | $99.99 | one-time |


## Frequently asked questions

### Is MobilePKI free?

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

### Is Modex free?

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

### Do MobilePKI or Modex have ads?

Neither MobilePKI nor Modex shows ads.

### Which is updated more often, MobilePKI or Modex?

MobilePKI ships an update every 4 weeks, and Modex weekly. Most recently, MobilePKI was updated on November 1, 2026 and Modex 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.*