# Princess Hilary Hidden Objects vs Gem Mining

The clearest difference is in-app purchases: Gem Mining at none against Princess Hilary Hidden Objects's 2. Gem Mining also leads on update cadence (every 6 weeks vs every 130 months) and iOS requirement (13.0 vs 15.0). Princess Hilary Hidden Objects's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Princess Hilary Hidden Objects sells 2 one-off in-app purchases. Gem Mining asks for nothing beyond the download.

Princess Hilary Hidden Objects ships an update every 130 months, Gem Mining every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Princess Hilary Hidden Objects | Gem Mining |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 130 months | **Every 6 weeks** |
| Size | 170 MB | 114 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Dipak Keshariya](https://appshunter.io/developer/654456671) | [PERCAS VIET NAM JOINT STOCK COMPANY](https://appshunter.io/developer/1587673711) |

## What reviewers say

### Princess Hilary Hidden Objects

[App page](https://appshunter.io/ios/app/princess-hilary-hidden-objects/id1031846477)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RemoveAD From Full Game | $0.99 | one-time |
| Get 20 Hint For All Level | $0.99 | one-time |


### Gem Mining

[App page](https://appshunter.io/ios/app/gem-mining-truck-sort/id6797708337)

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

**In-app purchases:** none


## Frequently asked questions

### Is Princess Hilary Hidden Objects free?

Princess Hilary Hidden Objects is free to download, with in-app purchases available.

### Is Gem Mining free?

Gem Mining is free to download, with no in-app purchases.

### Do Princess Hilary Hidden Objects or Gem Mining have ads?

Gem Mining shows ads; Princess Hilary Hidden Objects does not.

### Which is updated more often, Princess Hilary Hidden Objects or Gem Mining?

Princess Hilary Hidden Objects ships an update every 130 months, and Gem Mining every 6 weeks. Most recently, Princess Hilary Hidden Objects was updated on October 26, 2026 and Gem Mining on October 25, 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.*