# Raptor Drone vs Bubble Level

The clearest difference is in-app purchases: Raptor Drone at none against Bubble Level's 3. Raptor Drone also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 3 in-app purchases, starting at $4.99 per 7 days. Raptor Drone asks for nothing beyond the download.

Raptor Drone ships an update every 3 weeks, Bubble Level monthly. The most recent releases landed on October 4, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Raptor Drone | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 132 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Guangdong Shiji Technology Co.,Ltd.](https://appshunter.io/developer/1405540461) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Raptor Drone

[App page](https://appshunter.io/ios/app/raptor-drone/id6478799767)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-angle-finder/id6772273713)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Gauge Weekly | $4.99 | per 7 days |
| Slope Finder Yearly | $24.99 | per year |
| Angle Meter, Pay Once | $49.99 | one-time |


## Frequently asked questions

### Is Raptor Drone free?

Raptor Drone is free to download, with no in-app purchases.

### Is Bubble Level free?

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

### Do Raptor Drone or Bubble Level have ads?

Neither Raptor Drone nor Bubble Level shows ads.

### Which is updated more often, Raptor Drone or Bubble Level?

Raptor Drone ships an update every 3 weeks, and Bubble Level monthly. Most recently, Raptor Drone was updated on October 4, 2026 and Bubble Level on October 13, 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.*