# Space Cannon OG vs Gravity Smash

The clearest difference is review sentiment: Gravity Smash at 100% against Space Cannon OG's 41%. Gravity Smash also leads on rating (5.0 vs 3.4) and update cadence (every 2 days vs every 2 months). Space Cannon OG's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Gravity Smash sells 4 one-off in-app purchases. Space Cannon OG asks for nothing beyond the download.

Gravity Smash holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Space Cannon OG has 477 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 41% of Space Cannon OG's written reviews are positive against 100% of Gravity Smash's.

Space Cannon OG ships an update every 2 months, Gravity Smash every 2 days. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Space Cannon OG | Gravity Smash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (477 ratings)](https://appshunter.io/ios/app/space-cannon-og/id931036313/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/gravity-smash/id6755795220/reviews)** |
| Number of ratings | **477** | 2 |
| Positive reviews | 40.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 99 MB |
| Requires iOS | **8.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OGMobi LLC](https://appshunter.io/developer/931036312) | [Airglow, LLC](https://appshunter.io/developer/410175593) |

## What reviewers say

### Space Cannon OG

[App page](https://appshunter.io/ios/app/space-cannon-og/id931036313)

Engage in an interstellar battle against incoming red circular threats. Utilize your blue cannon to defend space and eliminate all targets.

**Highlights:** Defend against red circular objects, Shoot with a blue cannon, Space combat gameplay, Simple arcade action

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Smooth performance
- 😊 Fun and enjoyable
- 🤩 Great game

**What reviewers complain about**

- 🐛 Frequent crashes
- 😞 Unplayable due to crashes
- 🤬 Terrible app that doesn't work

**Reported bugs**

- Game crashes when touching the screen
- App closes immediately after launching

**Requested features**

- Update the game to fix crashes
- Improve stability and reliability


### Gravity Smash

[App page](https://appshunter.io/ios/app/gravity-smash/id6755795220)

Experience a physics-based destruction game where you drop heavy objects to crush geometric structures. With over 100 levels, it offers satisfying arcade action and brain-teasing puzzles. Enjoy relaxing, offline gameplay with simple one-tap controls.

**Highlights:** Satisfying physics-based destruction, Over 100 challenging levels, Relaxing and stress-relieving gameplay, Offline play supported, Simple one-tap controls

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Coins | $0.99 | one-time |
| 50 Coins | $3.99 | one-time |
| 150 Coins | $9.99 | one-time |
| 500 Coins | $24.99 | one-time |


## Frequently asked questions

### Is Space Cannon OG free?

Space Cannon OG is free to download, with no in-app purchases.

### Is Gravity Smash free?

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

### Which has better reviews, Space Cannon OG or Gravity Smash?

Gravity Smash is rated higher. Space Cannon OG averages 3.4 out of 5 from 477 ratings, while Gravity Smash averages 5.0 from 2 ratings.

### Do Space Cannon OG or Gravity Smash have ads?

Gravity Smash shows ads; Space Cannon OG does not.

### Which is updated more often, Space Cannon OG or Gravity Smash?

Space Cannon OG ships an update every 2 months, and Gravity Smash every 2 days. Most recently, Space Cannon OG was updated on October 23, 2026 and Gravity Smash on October 21, 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.*