# Master Spy vs harbor bcg

The clearest difference is in-app purchases: Master Spy at none against harbor bcg's 10. Master Spy also leads on iOS requirement (10.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. harbor bcg sells 10 in-app purchases, starting at $1.49 per month. Master Spy asks for nothing beyond the download.

Master Spy ships an update monthly, harbor bcg every 6 weeks. The most recent releases landed on September 14, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Master Spy | harbor bcg |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 111 MB | 166 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Pandora Educacao Ludica Ltda](https://appshunter.io/developer/1053899080) | [Aquariumy Studio Inc.](https://appshunter.io/developer/579962596) |

## What reviewers say

### Master Spy

[App page](https://appshunter.io/ios/app/master-spy/id1553520006)

**In-app purchases:** none


### harbor bcg

[App page](https://appshunter.io/ios/app/harbor-bcg/id1573370965)

Embark on a treasure-hunting voyage across the open sea, discovering new harbors and mysterious lands. Explore the vastness of the world from your device.

**Highlights:** Treasure hunting voyages, Ship exploration, Discover new harbors, Explore mysterious lands, Idle gameplay mechanics

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Airship | $1.49 | per month |
| Takao | $1.49 | per month |
| Submarine | $1.49 | per month |
| Zara | $1.49 | per month |
| Aircraft carrier | $1.49 | per month |
| Cute elephant | $1.49 | per month |
| Cute tiger | $1.49 | per month |
| Cute sheep | $1.49 | per month |
| Cute dog | $1.49 | per month |
| NFT pass * 1 | $1.99 | one-time |


## Frequently asked questions

### Is Master Spy free?

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

### Is harbor bcg free?

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

### Do Master Spy or harbor bcg have ads?

Both Master Spy and harbor bcg show ads.

### Which is updated more often, Master Spy or harbor bcg?

Master Spy ships an update monthly, and harbor bcg every 6 weeks. Most recently, Master Spy was updated on September 14, 2026 and harbor bcg on June 1, 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.*