# Idle Oil Tycoon vs Gem Drill Quest

The clearest difference is ads: Idle Oil Tycoon at none against Gem Drill Quest's shown. Idle Oil Tycoon also leads on ratings volume (33 vs 10) and iOS requirement (12.0 vs 14.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Idle Oil Tycoon sells 19 in-app purchases, starting at $7.99 per 7 days and Gem Drill Quest sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Gem Drill Quest holds the better App Store score, 2.1 against 1.9. Both are backed by a comparable volume of ratings — 33 and 10 respectively. Written reviews point the same way: 8% of Idle Oil Tycoon's written reviews are positive against 14% of Gem Drill Quest's.

Idle Oil Tycoon ships an update every 5 days, Gem Drill Quest every 9 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Idle Oil Tycoon | Gem Drill Quest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (33 ratings)](https://appshunter.io/ios/app/idle-oil-tycoon/id6476150265/reviews) | **[2.1 (10 ratings)](https://appshunter.io/ios/app/gem-drill-quest-digging-deep/id6587554039/reviews)** |
| Number of ratings | **33** | 10 |
| Positive reviews | 7.7% of reviews | **14.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 295 MB | 212 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LEKE YAZILIM VE OYUN ANONIM SIRKETI](https://appshunter.io/developer/1576296592) | [RICHYARD GEIMS, TOO](https://appshunter.io/developer/1712845899) |

## What reviewers say

### Idle Oil Tycoon

[App page](https://appshunter.io/ios/app/idle-oil-tycoon/id6476150265)

Build and manage your own oil business from scratch. Drill for oil, process it in refineries, and hire experts to expand your empire. Embark on missions to discover new fields and become the ultimate tycoon.

**Highlights:** Build and manage oil empire, Explore for oil reservoirs, Upgrade drilling technology, Build and manage refineries, Hire and manage experts, Embark on special missions

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gas Empire King Weekly | $7.99 | per 7 days |
| Simple Ticket Pack | $0.99 | one-time |
| Small Gem Pack | $0.99 | one-time |
| Medium Ticket Pack | $1.99 | one-time |
| Offline earn x3 | $1.99 | one-time |
| Double capacity | $1.99 | one-time |
| Premium Ticket Pack | $2.99 | one-time |
| Hoverboard | $2.99 | one-time |
| Manager | $2.99 | one-time |
| Remove Forced ADS | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| VIP Money Pack | $4.99 | one-time |
| Roller Skate | $4.99 | one-time |
| Medium Gem Pack | $4.99 | one-time |
| VIP Gem Pack | $9.99 | one-time |
| Premium Pack | $14.99 | one-time |
| Elite pack | $14.99 | one-time |
| Deluxe Pack | $14.99 | one-time |
| Ultimate Pack | $24.99 | one-time |

**What reviewers like**

- 👍 Fun game concept
- 🤩 Relaxing gameplay
- 🎶 Good ASMR effect

**What reviewers complain about**

-  광고 Excessive ads
- 🐛 Game-breaking bugs
- 💰 Paid features not working
- 🔄 Progress resets
- ⏳ Short gameplay duration

**Reported bugs**

- Stuck at levels
- Cannot progress to next area
- Cannot place products to sell
- Game crashes on loading
- Screen frozen on opening

**Requested features**

- Fix bugs and issues
- More levels
- More money/gold without ads


### Gem Drill Quest

[App page](https://appshunter.io/ios/app/gem-drill-quest-digging-deep/id6587554039)

Embark on a deep-earth mining adventure to unearth hidden treasures and become the richest tycoon. Upgrade your tools, hire workers, and manage your mining operations to expand your empire. Enjoy idle gameplay where mining continues even when you're offline.

**Highlights:** One-tap hero movement, Tool upgrades for drilling, Offline mining progression, Hire workers and assistants, Daily bonuses and tasks, Resource management and expansion

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ad skip tickets mini | $0.99 | one-time |
| special offer | $0.99 | one-time |
| ad skip tickets small | $2.99 | one-time |
| Disable ads | $5.99 | one-time |
| ad skip tickets medium | $5.99 | one-time |
| Starter Pack | $7.99 | one-time |
| ad skip tickets big | $11.99 | one-time |
| ad skip tickets unlimited | $29.99 | one-time |
| money offer | $29.99 | one-time |


## Frequently asked questions

### Is Idle Oil Tycoon free?

Idle Oil Tycoon is free to download, with in-app purchases available.

### Is Gem Drill Quest free?

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

### Which has better reviews, Idle Oil Tycoon or Gem Drill Quest?

Gem Drill Quest is rated higher. Idle Oil Tycoon averages 1.9 out of 5 from 33 ratings, while Gem Drill Quest averages 2.1 from 10 ratings.

### Do Idle Oil Tycoon or Gem Drill Quest have ads?

Gem Drill Quest shows ads; Idle Oil Tycoon does not.

### Which is updated more often, Idle Oil Tycoon or Gem Drill Quest?

Idle Oil Tycoon ships an update every 5 days, and Gem Drill Quest every 9 days. Most recently, Idle Oil Tycoon was updated on October 21, 2026 and Gem Drill Quest 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.*