# Black Gold vs Schedule Lab I

The clearest difference is in-app purchases: Schedule Lab I at none against Black Gold's 10. Schedule Lab I also leads on rating (4.6 vs 4.4) and review sentiment (80% vs 66%). Black Gold's advantage is iOS requirement (13.0 vs 16). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Black Gold sells 10 one-off in-app purchases. Schedule Lab I asks for nothing beyond the download.

Schedule Lab I holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 81 and 79 respectively. Written reviews point the same way: 66% of Black Gold's written reviews are positive against 80% of Schedule Lab I's.

Black Gold ships an update fortnightly, Schedule Lab I every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | Black Gold | Schedule Lab I |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (81 ratings)](https://appshunter.io/ios/app/black-gold-tycoon-simulator/id6741326129/reviews) | **[4.6 (79 ratings)](https://appshunter.io/ios/app/schedule-lab-i/id6744532788/reviews)** |
| Number of ratings | **81** | 79 |
| Positive reviews | 65.5% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 307 MB | 41 MB |
| Requires iOS | **13.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +4 | 12+ |
| Developer | [Global Advertising Network LTD](https://appshunter.io/developer/1500875741) | [Code Works](https://appshunter.io/developer/1882649318) |

## What reviewers say

### Black Gold

[App page](https://appshunter.io/ios/app/black-gold-tycoon-simulator/id6741326129)

Build and manage a vast oil business empire. Drill for oil, refine it, trade stocks, and optimize production in factories and gas stations. Hire employees and explore new territories to maximize profits and dominate the industry.

**Highlights:** Build a thriving business from scratch, Manage factories and gas stations, Master the stock market, Upgrade technology for efficiency, Hire and lead a team, Explore territories and extract resources

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS Special Pack | $0.99 | one-time |
| Remove ADS Extra Pack | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 3 Levels and Remove Ads | $3.99 | one-time |
| Arabic New Levels Pack | $3.99 | one-time |
| Remove ADS Pack | $3.99 | one-time |
| X2 Speed | $4.99 | one-time |
| USA New Levels Pack | $5.99 | one-time |
| Russia New Levels Pack | $7.99 | one-time |
| 10 Levels and Remove Ads | $14.99 | one-time |

**What reviewers like**

- 👍 Addictive gameplay
- 👍 Fun and engaging
- 👍 Good strategy and management
- 👍 Rewarding progression
- 👍 Smooth gameplay

**What reviewers complain about**

- 🐛 Stuck in tutorial/story mode
- 🐛 Upgrades not working/lost
- 🐛 Frequent ads
- 🐛 Game crashes/freezes
- 🐛 In-app purchases for cash grab

**Reported bugs**

- Tutorial bugged
- Game stuck on upgrades
- Cannot pass certain levels
- Enhancement lost after restart
- Game crashes

**Requested features**

- Fix tutorial/story mode bugs
- Ensure upgrades are applied correctly
- Improve enhancement system
- Reduce frequency of ads
- Make levels more passable


### Schedule Lab I

[App page](https://appshunter.io/ios/app/schedule-lab-i/id6744532788)

This companion app helps players of a drug empire simulation game manage their operations. It provides tools for mixing substances, calculating prices, planning deliveries, and optimizing production. Share your creations and strategies with other players.

**Highlights:** Step-by-step substance mixing, Sell price and profit calculation, Delivery order planning, Customizable stack counts and prices, Mix sharing via deep links, Export mixes as PDFs, Equipment management

**In-app purchases:** none


## Frequently asked questions

### Is Black Gold free?

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

### Is Schedule Lab I free?

Schedule Lab I is free to download, with no in-app purchases.

### Which has better reviews, Black Gold or Schedule Lab I?

Schedule Lab I is rated higher. Black Gold averages 4.4 out of 5 from 81 ratings, while Schedule Lab I averages 4.6 from 79 ratings.

### Do Black Gold or Schedule Lab I have ads?

Neither Black Gold nor Schedule Lab I shows ads.

### Which is updated more often, Black Gold or Schedule Lab I?

Black Gold ships an update fortnightly, and Schedule Lab I every 2 weeks. Most recently, Black Gold was updated on October 30, 2026 and Schedule Lab I on October 30, 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.*