# Grooz PDF vs Birthday Countdown

The clearest difference is update cadence: Grooz PDF at every 6 weeks against Birthday Countdown's every 14 months. Grooz PDF also leads on iOS requirement (13.0 vs 17.6). Birthday Countdown's advantage is ratings volume (10 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Grooz PDF sells 3 in-app purchases, starting at $3.99 per 7 days and Birthday Countdown sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Grooz PDF against 5.0 for Birthday Countdown. That said, the two scores are not equally well evidenced: Birthday Countdown has 10 ratings behind it against 2, so its average is the more settled of the two.

Grooz PDF ships an update every 6 weeks, Birthday Countdown every 14 months. The most recent releases landed on November 9, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Grooz PDF | Birthday Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/grooz-pdf-docs-and-ocr-scanner/id6458977783/reviews) | [5.0 (10 ratings)](https://appshunter.io/ios/app/birthday-countdown-bday/id6741171422/reviews) |
| Number of ratings | 2 | **10** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 153 MB | 19 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [EYWIN BILGI TEKNOLOJILERI ANONIM SIRKETI](https://appshunter.io/developer/1492105189) | [Nicolas Gustavo Melian](https://appshunter.io/developer/1777868675) |

## What reviewers say

### Grooz PDF

[App page](https://appshunter.io/ios/app/grooz-pdf-docs-and-ocr-scanner/id6458977783)

This app allows you to view, create, and manage PDF files on your mobile device. It features advanced document scanning, text recognition from images, and a user-friendly interface for efficient document handling.

**Highlights:** Effortless PDF viewing, Advanced document scanning, Create PDFs from photos, Text recognition (OCR), Intuitive user interface, Privacy-focused design

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grooz PDF Premium | $3.99 | per 7 days |
| Grooz PDF Premium | $5.99 | per month |
| Grooz PDF Premium | $19.99 | per year |


### Birthday Countdown

[App page](https://appshunter.io/ios/app/birthday-countdown-bday/id6741171422)

Never miss a special occasion with this ultimate birthday reminder app. Easily organize your contacts, view countdowns to upcoming birthdays, and receive timely notifications. Personalize profiles with photos and instantly see age and zodiac signs.

**Highlights:** Birthday countdowns and days until, Smart birthday reminders, Birthday list maker with contact import, Birthday calendar organization, Age and zodiac sign display, Personalized profiles with photos

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $4.99 | per month |
| Birthday Countdown Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is Grooz PDF free?

Grooz PDF is free to download, with in-app purchases available.

### Is Birthday Countdown free?

Birthday Countdown is free to download, with in-app purchases available.

### Which has better reviews, Grooz PDF or Birthday Countdown?

Grooz PDF and Birthday Countdown are both rated 5.0 out of 5 on the App Store, from 2 and 10 ratings respectively.

### Do Grooz PDF or Birthday Countdown have ads?

Neither Grooz PDF nor Birthday Countdown shows ads.

### Which is updated more often, Grooz PDF or Birthday Countdown?

Grooz PDF ships an update every 6 weeks, and Birthday Countdown every 14 months. Most recently, Grooz PDF was updated on November 9, 2026 and Birthday Countdown on November 4, 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.*