# Drive Diagnostics vs Bubble Level Tool

The clearest difference is in-app purchases: Drive Diagnostics at none against Bubble Level Tool's 9. Bubble Level Tool's advantage is update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Bubble Level Tool sells 9 in-app purchases, starting at $3.99 per 7 days. Drive Diagnostics asks for nothing beyond the download.

Drive Diagnostics ships an update every 6 months, Bubble Level Tool weekly. The most recent releases landed on September 11, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Drive Diagnostics | Bubble Level Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (2.5K ratings)](https://appshunter.io/ios/app/bubble-level-tool-digital/id1662018802/reviews)** |
| Number of ratings | — | **2.5K** |
| Positive reviews | — | 6.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Subscription |
| Size | 9 MB | 5 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bonfiglioli SPA](https://appshunter.io/developer/670210180) | [Rihab Mehboob](https://appshunter.io/developer/1441916319) |

## What reviewers say

### Drive Diagnostics

[App page](https://appshunter.io/ios/app/drive-diagnostics/id1523617166)

**In-app purchases:** none


### Bubble Level Tool

[App page](https://appshunter.io/ios/app/bubble-level-tool-digital/id1662018802)

Measure precise angles and levels with your device. Easily switch between portrait, landscape, and surface level modes. Lock and reset angles for accurate measurements.

**Highlights:** Measure current device angle, Reset angle, Lock angle, Portrait mode, Landscape mode, Surface level

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble 1 Week | $3.99 | per 7 days |
| Bubble 1 Week | $4.99 | per 7 days |
| Bubble 1 Month | $5.99 | per month |
| Bubble 1 Month | $9.99 | per month |
| Bubble 1 Year | $24.99 | per year |
| Bubble 6 Months | $29.99 | per 6 months |
| Bubble 1 Year | $39.99 | per year |
| Bubble Lifetime | $17.99 | one-time |
| Bubble Lifetime | $69.99 | one-time |

**What reviewers like**

- ⭐️ Useful app
- 🤠 Handy when needed
- 👍 It simply works

**What reviewers complain about**

- 💰 Expensive subscription
- 🚫 Unusable without paying
- 📢 Constant upsell pop-ups
- 🕰️ Limited free trial
- 🤯 Frustrating experience

**Reported bugs**

- Inaccurate level readings
- Compatibility issues with older devices

**Requested features**

- Percentage slope display option
- Ability to switch between degree and percent
- Refund/cancellation options


## Frequently asked questions

### Is Drive Diagnostics free?

Drive Diagnostics is free to download, with no in-app purchases.

### Is Bubble Level Tool free?

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

### Do Drive Diagnostics or Bubble Level Tool have ads?

Neither Drive Diagnostics nor Bubble Level Tool shows ads.

### Which is updated more often, Drive Diagnostics or Bubble Level Tool?

Drive Diagnostics ships an update every 6 months, and Bubble Level Tool weekly. Most recently, Drive Diagnostics was updated on September 11, 2026 and Bubble Level Tool on September 26, 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.*