# FlexiFone vs Three Device Security

FlexiFone and Three Device Security are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | FlexiFone | Three Device Security |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Ad-supported | — |
| Size | 64 MB | 68 MB |
| Requires iOS | 14.0.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FlexiFone Telecommunications Limited](https://appshunter.io/developer/1738673924) | [Hutchison 3G UK Ltd](https://appshunter.io/developer/393530269) |

## What reviewers say

### FlexiFone

[App page](https://appshunter.io/ios/app/flexifone/id6480311434)

This app provides a Multi-Network eSIM for seamless access to major UK networks, ensuring the best coverage wherever you are. You can maintain your primary number while using the eSIM for data, with automatic switching to the strongest signal.

**Highlights:** Multi-Network eSIM access, Automatic network switching, Best coverage in UK, Keep primary number, Data-focused eSIM, Physical SIM option

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

**In-app purchases:** none


### Three Device Security

[App page](https://appshunter.io/ios/app/three-device-security/id6737277850)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is FlexiFone free?

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

### Is Three Device Security free?

Three Device Security is free to download, with no in-app purchases.

### Do FlexiFone or Three Device Security have ads?

Neither FlexiFone nor Three Device Security shows ads.

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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.*