# Bubble Level + Measure Kit vs Postal Codes International

The clearest difference is iOS requirement: Bubble Level + Measure Kit at 17.0 against Postal Codes International's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Bubble Level + Measure Kit | Postal Codes International |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 12.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | — |
| Size | 3 MB | 8 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sensonet](https://appshunter.io/developer/793745582) | [Gerhard Lentschik](https://appshunter.io/developer/629988041) |

## What reviewers say

### Bubble Level + Measure Kit

[App page](https://appshunter.io/ios/app/bubble-level-plus-measure-kit/id806787408)

This utility app turns your device into a high-precision spirit level. Measure angles on any surface with a beautifully designed interface. Available at a special limited-time price.

**Highlights:** High precision spirit level, Angle measurement, Beautifully designed UI, Pocket-sized utility, iPhone and iPad compatible

**Features:** macOS Compatibility, Family Sharing

**In-app purchases:** none


### Postal Codes International

[App page](https://appshunter.io/ios/app/postal-codes-international/id1662264053)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level + Measure Kit free?

Bubble Level + Measure Kit is free to download, with no in-app purchases.

### Is Postal Codes International free?

Postal Codes International is free to download, with no in-app purchases.

### Do Bubble Level + Measure Kit or Postal Codes International have ads?

Neither Bubble Level + Measure Kit nor Postal Codes International shows ads.

### Which is updated more often, Bubble Level + Measure Kit or Postal Codes International?

Bubble Level + Measure Kit ships an update every 4 months, and Postal Codes International every 4 months. Most recently, Bubble Level + Measure Kit was updated on October 21, 2026 and Postal Codes International on October 12, 2026.

---

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