# Bubble Level + Compass Pro vs Nineteen Days

The clearest difference is update cadence: Nineteen Days at weekly against Bubble Level + Compass Pro's every 17 months. Nineteen Days also leads on chart position (#116 vs unranked). Bubble Level + Compass Pro's advantage is price ($0.99 vs $5.99) and device support (4 vs 2). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Bubble Level + Compass Pro costs $0.99 and Nineteen Days $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bubble Level + Compass Pro ships an update every 17 months, Nineteen Days weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Bubble Level + Compass Pro | Nineteen Days |
| --- | --- | --- |
| Price | **$0.99** | $5.99 |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Weekly** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#116** |
| Size | 7 MB | 12 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Kechagias](https://appshunter.io/developer/970157964) | [Nineteen Days,LLC](https://appshunter.io/developer/1702967329) |

## What reviewers say

### Bubble Level + Compass Pro

[App page](https://appshunter.io/ios/app/bubble-level-plus-compass-pro/id988590222)

This utility app provides a precise spirit level and compass for your iPhone and Apple Watch. Get live readings on your wrist, even when your phone's screen is out of sight. Features include bullseye, horizontal, and vertical levels with 0.1-degree precision.

**Highlights:** Bullseye, horizontal, and vertical levels, 0.1-degree precision, True and magnetic heading, Apple Watch companion app, Gyro or accelerometer sensor mode, Red-light night mode

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Nineteen Days

[App page](https://appshunter.io/ios/app/nineteen-days/id6502869042)

**Currently charting:** #116 Top Paid · Utilities (US App Store)

This app provides a Bahá’í calendar companion for your mobile device. It helps you track the nineteen-month calendar, remember Holy Days and Feasts, and incorporate prayer and reflection into your daily routine. Widgets offer quick access to calendar information and reminders.

**Highlights:** Bahá’í calendar tracking, Home screen widgets, Holy Day and Feast reminders, Prayer and meditation support, Qiblih direction compass, Sunset-based calendar

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

**In-app purchases:** none


## Frequently asked questions

### Is Bubble Level + Compass Pro free?

Bubble Level + Compass Pro costs $0.99, with no in-app purchases.

### Is Nineteen Days free?

Nineteen Days costs $5.99, with no in-app purchases.

### Do Bubble Level + Compass Pro or Nineteen Days have ads?

Neither Bubble Level + Compass Pro nor Nineteen Days shows ads.

### Which is updated more often, Bubble Level + Compass Pro or Nineteen Days?

Bubble Level + Compass Pro ships an update every 17 months, and Nineteen Days weekly. Most recently, Bubble Level + Compass Pro was updated on November 5, 2026 and Nineteen Days on November 5, 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.*