# Fibonacci Clock+ vs Data Engineer Cert Prep

The clearest difference is price: Data Engineer Cert Prep at Free against Fibonacci Clock+'s $2.99. Data Engineer Cert Prep also leads on device support. On in-app purchases and iOS requirement there is nothing between them.

Data Engineer Cert Prep is free to download; Fibonacci Clock+ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Fibonacci Clock+ | Data Engineer Cert Prep |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fibonacci-clock-plus/id1482551715/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 13 months |
| Monetization | Free | — |
| Size | 13 MB | 1 MB |
| Requires iOS | 16.6 | **16.0** |
| Devices | — | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Vijayvir Singh](https://appshunter.io/developer/1469680736) | [DjamgaTech Corp](https://appshunter.io/developer/969000181) |

## What reviewers say

### Fibonacci Clock+

[App page](https://appshunter.io/ios/app/fibonacci-clock-plus/id1482551715)

This app displays time using a unique Fibonacci sequence tile system. It offers customizable themes, a digital time companion, and an interactive physics playground for leftover minutes. Enjoy ambient music or integrate your own library.

**Highlights:** Full-screen Fibonacci clock display, Toggleable digital time companion, Five customizable watch themes, Calculation panel for time math, Interactive physics playground for minutes, Music integration with iPhone Library, Interactive info sheet with sliders

**In-app purchases:** none


### Data Engineer Cert Prep

[App page](https://appshunter.io/ios/app/data-engineer-cert-prep/id6566170013)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fibonacci Clock+ free?

Fibonacci Clock+ costs $2.99, with no in-app purchases.

### Is Data Engineer Cert Prep free?

Data Engineer Cert Prep is free to download, with no in-app purchases.

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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.*