# TWOTOO vs Bubble Level

The clearest difference is in-app purchases: TWOTOO at none against Bubble Level's 5. TWOTOO also leads on iOS requirement (10.0 vs 17.6). Bubble Level's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Bubble Level sells 5 in-app purchases, starting at $3.99 per month. TWOTOO asks for nothing beyond the download.

TWOTOO ships an update every 3 months, Bubble Level every 2 weeks. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TWOTOO | Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (11 ratings)](https://appshunter.io/ios/app/bubble-level-angle-and-ruler/id6746100987/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 74 MB | 17 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [深圳市杉川机器人有限公司](https://appshunter.io/developer/1232160765) | [Ungo Inc.](https://appshunter.io/developer/1813952838) |

## What reviewers say

### TWOTOO

[App page](https://appshunter.io/ios/app/twotoo/id1558090231)

Control your laser sweeping robot remotely from your phone, whether you're home or away. Schedule cleaning tasks, view real-time maps, and select cleaning modes for an independently clean home.

**Highlights:** Remote robot control, Real-time map viewing, Scheduled cleaning, Multiple cleaning modes, Start, stop, pause, recharge

**Features:** macOS Compatibility

**In-app purchases:** none


### Bubble Level

[App page](https://appshunter.io/ios/app/bubble-level-angle-and-ruler/id6746100987)

This app provides precise digital measurements for leveling and angle detection, acting as a spirit level, ruler, and laser tool. It helps with various tasks like furniture assembly, hanging decor, and construction projects, offering real-time feedback and the ability to save and share measurements.

**Highlights:** Precise spirit level with 0.1 degree accuracy, Integrated laser measurement tool, Digital ruler for length measurement, Save, note, and export measurements, Customizable themes and settings, Offline functionality

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bubble Level Premium | $3.99 | per month |
| Weekly Premium | $3.99 | per 7 days |
| Bubble Level Weekly | $4.99 | per 7 days |
| Remove All Ads | $19.99 | per year |
| Bubble Level Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is TWOTOO free?

TWOTOO 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 TWOTOO or Bubble Level have ads?

Neither TWOTOO nor Bubble Level shows ads.

### Which is updated more often, TWOTOO or Bubble Level?

TWOTOO ships an update every 3 months, and Bubble Level every 2 weeks. Most recently, TWOTOO was updated on October 4, 2026 and Bubble Level on October 16, 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.*