# Rockshift Inc vs Gem Core

The clearest difference is ads: Gem Core at none against Rockshift Inc's shown. Gem Core also leads on update cadence (daily vs fortnightly). Rockshift Inc's advantage is iOS requirement (13.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Rockshift Inc sells 14 one-off in-app purchases and Gem Core sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Rockshift Inc ships an update fortnightly, Gem Core daily. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rockshift Inc | Gem Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.6K ratings)](https://appshunter.io/ios/app/rockshift-inc/id6758782629/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 38.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 288 MB | 97 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vladislava Katsnelson](https://appshunter.io/developer/1612714487) | [JUMP SHIP MEDIA](https://appshunter.io/developer/1822275657) |

## What reviewers say

### Rockshift Inc

[App page](https://appshunter.io/ios/app/rockshift-inc/id6758782629)

Build and manage your own mining company in this idle arcade game. Dig for valuable resources, upgrade machinery, and automate operations with robot miners. Expand your empire and become an industry leader.

**Highlights:** Mine valuable resources with heavy machinery, Upgrade mining equipment for increased efficiency, Craft robot miners for automated production, Process and sell mined resources, Expand company with new areas and workers, Earn money offline

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tiny tokens pack | $1.99 | one-time |
| Daily Offer | $1.99 | one-time |
| Daily Offer | $2.99 | one-time |
| Daily Offer | $3.99 | one-time |
| Daily Offer | $4.99 | one-time |
| No Ads Basic | $4.99 | one-time |
| Super Bulldozer | $7.99 | one-time |
| Starter pack | $8.99 | one-time |
| Fossil Frenzy Pass | $9.99 | one-time |
| Medium tokens pack | $9.99 | one-time |
| Premium Drill | $9.99 | one-time |
| FREE Boosters | $12.99 | one-time |
| No Ads Full | $14.99 | one-time |
| Large tokens pack | $24.99 | one-time |


### Gem Core

[App page](https://appshunter.io/ios/app/gem-core/id6780915980)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $1.99 | one-time |
| 1000 Coins | $8.99 | one-time |


## Frequently asked questions

### Is Rockshift Inc free?

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

### Is Gem Core free?

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

### Do Rockshift Inc or Gem Core have ads?

Rockshift Inc shows ads; Gem Core does not.

### Which is updated more often, Rockshift Inc or Gem Core?

Rockshift Inc ships an update fortnightly, and Gem Core daily. Most recently, Rockshift Inc was updated on October 31, 2026 and Gem Core on October 24, 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.*