# Keplex vs Radar echo

The clearest difference is in-app purchases: Radar echo at none against Keplex's 6. Radar echo also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Keplex sells 6 one-off in-app purchases. Radar echo asks for nothing beyond the download.

## The numbers

| Metric | Keplex | Radar echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 21 MB | 30 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Nguyen Van Toan](https://appshunter.io/developer/6786241482) | [Vyron Talen](https://appshunter.io/developer/6792982576) |

## What reviewers say

### Keplex

[App page](https://appshunter.io/ios/app/keplex/id6786241480)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keplex Coin 20 | $5.99 | one-time |
| Keplex Coin 50 | $10.99 | one-time |
| Keplex Coin 100 | $19.99 | one-time |
| Keplex Coin 200 | $39.99 | one-time |
| Keplex Coin 300 | $59.99 | one-time |
| Keplex Coin 600 | $99.99 | one-time |


### Radar echo

[App page](https://appshunter.io/ios/app/radar-echo/id6792982574)

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

**In-app purchases:** none


## Frequently asked questions

### Is Keplex free?

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

### Is Radar echo free?

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

### Do Keplex or Radar echo have ads?

Neither Keplex nor Radar echo 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.*