# 群益大老鷹 vs Mars

The clearest difference is in-app purchases: 群益大老鷹 at none against Mars's 1. 群益大老鷹 also leads on update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mars sells 1 in-app purchase, starting at $24.99 per month. 群益大老鷹 asks for nothing beyond the download.

群益大老鷹 ships an update fortnightly, Mars every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 群益大老鷹 | Mars |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 61.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Size | 44 MB | 158 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Capital Group](https://appshunter.io/developer/874826448) | [CMoney](https://appshunter.io/developer/503431064) |

## What reviewers say

### 群益大老鷹

[App page](https://appshunter.io/ios/app/id1182280010)

**In-app purchases:** none


### Mars

[App page](https://appshunter.io/ios/app/mars/id6469476255)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mars-權證籌碼揭密APP自動續約方案790元/30天 | $24.99 | per month |


## Frequently asked questions

### Is 群益大老鷹 free?

群益大老鷹 is free to download, with no in-app purchases.

### Is Mars free?

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

### Do 群益大老鷹 or Mars have ads?

Neither 群益大老鷹 nor Mars shows ads.

### Which is updated more often, 群益大老鷹 or Mars?

群益大老鷹 ships an update fortnightly, and Mars every 3 months. Most recently, 群益大老鷹 was updated on November 2, 2026 and Mars on November 3, 2026.

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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.*