# ABYSS vs Undersoil

The clearest difference is update cadence: Undersoil at daily against ABYSS's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ABYSS sells 4 one-off in-app purchases and Undersoil sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ABYSS ships an update every 6 weeks, Undersoil daily. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ABYSS | Undersoil |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/abyss-idle-deep-miner/id6808813091/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 70 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [ONUR SAHIN](https://appshunter.io/developer/1782083604) | [Connor Burns](https://appshunter.io/developer/1893761320) |

## What reviewers say

### ABYSS

[App page](https://appshunter.io/ios/app/abyss-idle-deep-miner/id6808813091)

An idle game where you deploy a fleet of drones to mine resources from six distinct underwater zones. Upgrade your equipment and automate your operations to earn more, even when offline. Complete achievements and tasks for permanent bonuses.

**Highlights:** Idle gameplay with offline progression, Six distinct underwater zones, Multiple drone classes with upgrades, Permanent shipyard upgrades, Automated resource collection, Achievements and tasks for bonuses

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tersane Paketi | $1.99 | one-time |
| 250 Çekirdek | $2.99 | one-time |
| Derin Sözleşme | $9.99 | one-time |
| 1500 Çekirdek | $14.99 | one-time |


### Undersoil

[App page](https://appshunter.io/ios/app/undersoil/id6809608124)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gem Pouch | $2.99 | one-time |
| Chest of Gems | $9.99 | one-time |
| Vault of Gems | $19.99 | one-time |


## Frequently asked questions

### Is ABYSS free?

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

### Is Undersoil free?

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

### Do ABYSS or Undersoil have ads?

Both ABYSS and Undersoil show ads.

### Which is updated more often, ABYSS or Undersoil?

ABYSS ships an update every 6 weeks, and Undersoil daily. Most recently, ABYSS was updated on October 29, 2026 and Undersoil 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.*