# Bubble Level Plus+ vs DoneLock

Bubble Level Plus+ and DoneLock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Bubble Level Plus+ sells 2 one-off in-app purchases and DoneLock sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Bubble Level Plus+ | DoneLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (15K ratings)](https://appshunter.io/ios/app/bubble-level-plus-plus/id618064263/reviews)** | — |
| Number of ratings | **15K** | — |
| Positive reviews | 37.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 8 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [冲 洪](https://appshunter.io/developer/1866840157) |

## What reviewers say

### Bubble Level Plus+

[App page](https://appshunter.io/ios/app/bubble-level-plus-plus/id618064263)

This utility app functions as a digital bubble level, angle meter, and tilt meter. It helps users align picture frames, measure slopes, and assist with home decoration. Calibration instructions are provided for accurate measurements.

**Highlights:** Bubble level functionality, Angle measurement, Tilt meter, Picture frame alignment, Home decoration assistance, Calibration guide

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $0.99 | one-time |
| Bubble Level Pro | $1.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- ⚙️ Accurate measurements
- 💡 Useful for various applications

**What reviewers complain about**

- 🔒 Overly aggressive monetization
- 🕰️ Extremely limited free version
- 🐛 Inconsistent performance
- 💤 Frequent pop-ups disrupting usage

**Reported bugs**

- Bubble level not working as expected
- Measurements resetting unexpectedly
- Compatibility issues with newer devices

**Requested features**

- Ability to lock calibration settings
- More customization options
- Improved accuracy for larger angles


### DoneLock

[App page](https://appshunter.io/ios/app/donelock-persistent-reminder/id6764503470)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $35.99 | per year |


## Frequently asked questions

### Is Bubble Level Plus+ free?

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

### Is DoneLock free?

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

### Do Bubble Level Plus+ or DoneLock have ads?

Neither Bubble Level Plus+ nor DoneLock shows ads.

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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.*