# Radiantek CO2 vs Digital

The clearest difference is in-app purchases: Radiantek CO2 at none against Digital's 8. Digital's advantage is device support. On price and iOS requirement there is nothing between them.

Both are free to download. Digital sells 3 in-app purchases, starting at $4.99 per 7 days. Radiantek CO2 asks for nothing beyond the download.

## The numbers

| Metric | Radiantek CO2 | Digital |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Fortnightly |
| Size | 1 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RADIANT INNOVATION INC.](https://appshunter.io/developer/924300240) | [AW IMMC LTD](https://appshunter.io/developer/1701061181) |

## What reviewers say

### Radiantek CO2

[App page](https://appshunter.io/ios/app/radiantek-co2/id6464472532)

**In-app purchases:** none


### Digital

[App page](https://appshunter.io/ios/app/digital-lock/id6778055716)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $9.99 | per 7 days |
| Premium | $12.99 | per 7 days |


## Frequently asked questions

### Is Radiantek CO2 free?

Radiantek CO2 is free to download, with no in-app purchases.

### Is Digital free?

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

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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.*