# Stack Whale vs Gem Mining Robot

The clearest difference is iOS requirement: Stack Whale at 12.0 against Gem Mining Robot's 17.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stack Whale sells 7 one-off in-app purchases and Gem Mining Robot sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Stack Whale | Gem Mining Robot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 5 weeks |
| Size | 123 MB | 8 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Piyush Bansal](https://appshunter.io/developer/1643973035) | [AOBO Co.,Ltd](https://appshunter.io/developer/310846199) |

## What reviewers say

### Stack Whale

[App page](https://appshunter.io/ios/app/stack-whale/id6498714380)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coins Pack | $0.99 | one-time |
| Regular Coins Pack | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Medium Coins Pack | $2.99 | one-time |
| Large Coins Pack | $4.99 | one-time |
| Huge Coins Pack | $9.99 | one-time |
| Unlock Everything | $9.99 | one-time |


### Gem Mining Robot

[App page](https://appshunter.io/ios/app/gem-mining-robot/id6705123550)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Level 2 | $0.99 | one-time |
| Level 3 | $0.99 | one-time |
| Level 4 | $0.99 | one-time |
| Level 5 | $0.99 | one-time |
| Level 6 | $0.99 | one-time |


## Frequently asked questions

### Is Stack Whale free?

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

### Is Gem Mining Robot free?

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

### Do Stack Whale or Gem Mining Robot have ads?

Both Stack Whale and Gem Mining Robot show ads.

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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.*