# ChallengeMe © vs RadarLive

The clearest difference is in-app purchases: ChallengeMe © at none against RadarLive's 3. ChallengeMe © also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RadarLive sells 3 one-off in-app purchases. ChallengeMe © asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ChallengeMe © | RadarLive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 23 MB | 7 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [eValue.cz s.r.o.](https://appshunter.io/developer/1565357287) | [MLJ solutions a.s.](https://appshunter.io/developer/1832746552) |

## What reviewers say

### ChallengeMe ©

[App page](https://appshunter.io/ios/app/challengeme/id6477869642)

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

**In-app purchases:** none


### RadarLive

[App page](https://appshunter.io/ios/app/radarlive/id6749901208)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coffee | $0.99 | one-time |
| Big Coffee | $4.99 | one-time |
| Lunch | $9.99 | one-time |


## Frequently asked questions

### Is ChallengeMe © free?

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

### Is RadarLive free?

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

### Do ChallengeMe © or RadarLive have ads?

Neither ChallengeMe © nor RadarLive shows ads.

### Which is updated more often, ChallengeMe © or RadarLive?

ChallengeMe © ships an update every 3 weeks, and RadarLive every 3 weeks. Most recently, ChallengeMe © was updated on October 5, 2026 and RadarLive on October 15, 2026.

---

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