# Opp Ball vs Gem Core

The clearest difference is ads: Gem Core at none against Opp Ball's shown. Gem Core also leads on update cadence (daily vs every 8 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Opp Ball sells 8 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.

Opp Ball ships an update every 8 days, Gem Core daily. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Opp Ball | Gem Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.3K ratings)](https://appshunter.io/ios/app/opp-ball-physics-puzzle/id1463532329/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 9.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Ad-supported | — |
| Size | 217 MB | 97 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Sanzhan Network Technology Co., Ltd.](https://appshunter.io/developer/1479025549) | [JUMP SHIP MEDIA](https://appshunter.io/developer/1822275657) |

## What reviewers say

### Opp Ball

[App page](https://appshunter.io/ios/app/opp-ball-physics-puzzle/id1463532329)

Test your aim and timing by shooting balls into a bucket. Master the perfect shot to score points and advance.

**Highlights:** Aim and shoot balls, Score points, Bucket target, Timing challenges

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STARTER PACK | $1.99 | one-time |
| 1,000 Game Coins | $1.99 | one-time |
| 5,000 Game Coins | $7.99 | one-time |
| Remove Ads | $9.99 | one-time |
| 10,000 Game Coins | $14.99 | one-time |
| 25,000 Game Coins | $29.99 | one-time |
| 50,000 Game Coins | $54.99 | one-time |
| 100,000 Game Coins | $99.99 | one-time |

**What reviewers like**

- ⭐ Fun and entertaining game
- 👍 Satisfying gameplay

**What reviewers complain about**

- 🤬 Excessive ads
- 🙄 Ad frequency disrupts gameplay
- 🚫 Racist content in event levels

**Reported bugs**

- Unable to 3-star level 65
- Compatibility issues with older devices

**Requested features**

- Option to remove ads
- More challenging levels


### 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 Opp Ball free?

Opp Ball 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 Opp Ball or Gem Core have ads?

Opp Ball shows ads; Gem Core does not.

### Which is updated more often, Opp Ball or Gem Core?

Opp Ball ships an update every 8 days, and Gem Core daily. Most recently, Opp Ball was updated on October 19, 2026 and Gem Core on October 12, 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.*