# Grail vs GPF Bubble Level

The clearest difference is update cadence: Grail at every 5 weeks against GPF Bubble Level's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Grail ships an update every 5 weeks, GPF Bubble Level every 8 months. The most recent releases landed on November 12, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Grail | GPF Bubble Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/grail-clock-widget/id6751243236/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 5 MB | 0 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Reda Hallal](https://appshunter.io/developer/1834192474) | [Gian Paolo Fontani](https://appshunter.io/developer/1866631629) |

## What reviewers say

### Grail

[App page](https://appshunter.io/ios/app/grail-clock-widget/id6751243236)

Customize your devices with elegant analog and digital clock widgets inspired by luxury watches. Personalize every detail from hands to case materials for a unique look on your home screen, bedside, or car dashboard.

**Highlights:** Luxury watch-inspired clock widgets, Customizable hands, bezels, and case metals, Home Screen, StandBy, and CarPlay support, Analog and digital display options, Collection of unique watch models

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

**In-app purchases:** none


### GPF Bubble Level

[App page](https://appshunter.io/ios/app/gpf-bubble-level/id6759933601)

**In-app purchases:** none


## Frequently asked questions

### Is Grail free?

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

### Is GPF Bubble Level free?

GPF Bubble Level is free to download, with no in-app purchases.

### Do Grail or GPF Bubble Level have ads?

Neither Grail nor GPF Bubble Level shows ads.

### Which is updated more often, Grail or GPF Bubble Level?

Grail ships an update every 5 weeks, and GPF Bubble Level every 8 months. Most recently, Grail was updated on November 12, 2026 and GPF Bubble Level on November 13, 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.*