# Objective Master vs Lucky Twin Echo

The clearest difference is ads: Lucky Twin Echo at none against Objective Master's shown. Objective Master's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Objective Master | Lucky Twin Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 days |
| Size | 92 MB | 31 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Red Lion Labs](https://appshunter.io/developer/1871604293) | [Daan Meijer](https://appshunter.io/developer/6805833069) |

## What reviewers say

### Objective Master

[App page](https://appshunter.io/ios/app/objective-master/id6790071059)

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

**In-app purchases:** none


### Lucky Twin Echo

[App page](https://appshunter.io/ios/app/lucky-twin-echo/id6805833067)

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

**In-app purchases:** none


## Frequently asked questions

### Is Objective Master free?

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

### Is Lucky Twin Echo free?

Lucky Twin Echo is free to download, with no in-app purchases.

### Do Objective Master or Lucky Twin Echo have ads?

Objective Master shows ads; Lucky Twin Echo does not.

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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.*