# Julian Calendar vs Yellow Book Reference

The clearest difference is price: Julian Calendar at $1.99 against Yellow Book Reference's $9.99. On ads, in-app purchases, chart position and device support there is nothing between them.

Julian Calendar costs $1.99 and Yellow Book Reference $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Julian Calendar | Yellow Book Reference |
| --- | --- | --- |
| Price | **$1.99** | $9.99 |
| Rating | **[4.6 (68 ratings)](https://appshunter.io/ios/app/julian-calendar/id6478984683/reviews)** | — |
| Number of ratings | **68** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Paid | — |
| Best chart rank | #148 | **#139** |
| Size | 1 MB | 3 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Applorium Ltd](https://appshunter.io/developer/1688522804) | [Armando Archuleta](https://appshunter.io/developer/6789760538) |

## What reviewers say

### Julian Calendar

[App page](https://appshunter.io/ios/app/julian-calendar/id6478984683)

**Currently charting:** #148 Top Paid · Education (US App Store)

View various Julian Calendar dates, including short, long, and reduced Julian Dates. Supports Lock Screen and Home Screen widgets for easy access to date conversions and calculations.

**Highlights:** View Short Julian Calendar Date, View Long Julian Calendar Date, View Julian Date, View Reduced JD, View Modified JD, Lock Screen widgets, Home Screen widgets

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

**In-app purchases:** none


### Yellow Book Reference

[App page](https://appshunter.io/ios/app/yellow-book-reference/id6789764515)

**Currently charting:** #139 Top Paid · Education (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Julian Calendar free?

Julian Calendar costs $1.99, with no in-app purchases.

### Is Yellow Book Reference free?

Yellow Book Reference costs $9.99, with no in-app purchases.

### Do Julian Calendar or Yellow Book Reference have ads?

Neither Julian Calendar nor Yellow Book Reference shows ads.

### Which is more popular, Julian Calendar or Yellow Book Reference?

Julian Calendar currently peaks at #148 in the App Store charts, and Yellow Book Reference at #139. Chart position reflects recent download velocity rather than total install base.

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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.*