# Bubble Level Tool vs NameDay Calendars

The clearest difference is in-app purchases: NameDay Calendars at none against Bubble Level Tool's 2. NameDay Calendars also leads on ads (none vs shown) and update cadence (every 4 days vs every 9 months). Bubble Level Tool's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.5). On price there is nothing between them.

Both are free to download. Bubble Level Tool sells 2 in-app purchases, starting at $4.99 per month. NameDay Calendars asks for nothing beyond the download.

Bubble Level Tool ships an update every 9 months, NameDay Calendars every 4 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Bubble Level Tool | NameDay Calendars |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bubble-level-tool-level/id6743683226/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 1 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [Haim Cohen](https://appshunter.io/developer/635691700) |

## What reviewers say

### Bubble Level Tool

[App page](https://appshunter.io/ios/app/bubble-level-tool-level/id6743683226)

Measure horizontal and vertical levels with your smartphone. This tool uses intuitive animations to show when a surface is perfectly level, featuring a calibration function for precise results. Ideal for DIY, construction, and furniture installation.

**Highlights:** Measure horizontal and vertical levels, Intuitive animation indicators, Calibration function for precision, Suitable for DIY projects, Useful for construction, Furniture installation aid

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### NameDay Calendars

[App page](https://appshunter.io/ios/app/nameday-calendars/id6804304091)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level Tool free?

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

### Is NameDay Calendars free?

NameDay Calendars is free to download, with no in-app purchases.

### Do Bubble Level Tool or NameDay Calendars have ads?

Bubble Level Tool shows ads; NameDay Calendars does not.

### Which is updated more often, Bubble Level Tool or NameDay Calendars?

Bubble Level Tool ships an update every 9 months, and NameDay Calendars every 4 days. Most recently, Bubble Level Tool was updated on October 24, 2026 and NameDay Calendars on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*