# CE21 Mobile™ vs USA Naturalization

The clearest difference is price: CE21 Mobile™ at Free against USA Naturalization's $0.99. USA Naturalization's advantage is update cadence (every 8 days vs every 2 months) and iOS requirement (12.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

CE21 Mobile™ is free to download; USA Naturalization costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CE21 Mobile™ ships an update every 2 months, USA Naturalization every 8 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | CE21 Mobile™ | USA Naturalization |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/ce21-mobile/id1162585300/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 35.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 41 MB | 31 MB |
| Requires iOS | 16.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CE21.com](https://appshunter.io/developer/1162585299) | [Techster LLC](https://appshunter.io/developer/1046401600) |

## What reviewers say

### CE21 Mobile™

[App page](https://appshunter.io/ios/app/ce21-mobile/id1162585300)

Access continuing education courses, including live webcasts and on-demand seminars, directly from your mobile device. Download content for offline viewing, access handouts, and complete evaluations and quizzes to earn certificates of completion.

**Highlights:** Attend live webcasts and on-demand seminars, Download programs for offline viewing, View and download handout materials, Complete evaluations and quizzes, Obtain certificates of completion, Automatic completion syncing

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient, Reliable, Educational
- 🚀 Excellent app to use for course training
- 🚀 Easy iPhone usage
- 🚀 Great app for webinars on the go

**What reviewers complain about**

- 🐛 Doesn't seem compatible with IPhone 14
- 🐛 Review of Mobile App
- 🐛 CCRN ebook Q&A fiasco
- 🐛 App not opening
- 🐛 Glitch

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Reverse 10 seconds and forward 10 seconds buttons
- Bluetooth headphone control for pause function
- Ability to stream to TV
- Dark mode option


### USA Naturalization

[App page](https://appshunter.io/ios/app/usa-naturalization/id6761147964)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CE21 Mobile™ free?

CE21 Mobile™ is free to download, with no in-app purchases.

### Is USA Naturalization free?

USA Naturalization costs $0.99, with no in-app purchases.

### Do CE21 Mobile™ or USA Naturalization have ads?

Neither CE21 Mobile™ nor USA Naturalization shows ads.

### Which is updated more often, CE21 Mobile™ or USA Naturalization?

CE21 Mobile™ ships an update every 2 months, and USA Naturalization every 8 days. Most recently, CE21 Mobile™ was updated on October 29, 2026 and USA Naturalization on October 25, 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.*