# Certifient Secure Email vs RedFox Check&Go

The clearest difference is in-app purchases: Certifient Secure Email at none against RedFox Check&Go's 1. Certifient Secure Email also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. RedFox Check&Go sells 1 in-app purchase, starting at $0.99 per month. Certifient Secure Email asks for nothing beyond the download.

## The numbers

| Metric | Certifient Secure Email | RedFox Check&Go |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 8 MB | 40 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [CERTIFIENT LLC](https://appshunter.io/developer/1023388406) | [nTrigo Co.,LTD](https://appshunter.io/developer/1016140024) |

## What reviewers say

### Certifient Secure Email

[App page](https://appshunter.io/ios/app/certifient-secure-email/id6503090645)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedFox Check&Go

[App page](https://appshunter.io/ios/app/redfox-check-and-go/id6760455604)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RedFox Check&Go Monthly | $0.99 | per month |


## Frequently asked questions

### Is Certifient Secure Email free?

Certifient Secure Email is free to download, with no in-app purchases.

### Is RedFox Check&Go free?

RedFox Check&Go is free to download, with in-app purchases available.

### Do Certifient Secure Email or RedFox Check&Go have ads?

Neither Certifient Secure Email nor RedFox Check&Go shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*