# Atomic Connect vs Birthday Countdown & Reminders

The clearest difference is in-app purchases: Atomic Connect at none against Birthday Countdown & Reminders's 1. Atomic Connect also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Birthday Countdown & Reminders sells 1 one-off in-app purchase. Atomic Connect asks for nothing beyond the download.

Atomic Connect ships an update every 3 weeks, Birthday Countdown & Reminders every 5 weeks. The most recent releases landed on October 14, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Atomic Connect | Birthday Countdown & Reminders |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (125 ratings)](https://appshunter.io/ios/app/birthday-countdown-and-reminders/id1517617435/reviews)** |
| Number of ratings | — | **125** |
| Positive reviews | — | 55.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 31 MB |
| Requires iOS | **12.0** | 13.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Atomic.io Limited](https://appshunter.io/developer/1150238605) | [Lesya Verbina](https://appshunter.io/developer/1454156036) |

## What reviewers say

### Atomic Connect

[App page](https://appshunter.io/ios/app/atomic-connect/id1475838567)

**In-app purchases:** none


### Birthday Countdown & Reminders

[App page](https://appshunter.io/ios/app/birthday-countdown-and-reminders/id1517617435)

Never miss a special occasion again. This app helps you track birthdays and anniversaries with customizable countdowns and reminders. Organize contacts into groups for personalized notifications.

**Highlights:** Birthday and anniversary tracking, Customizable countdowns, Personalized reminders, Contact grouping, Event planning

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $0.99 | one-time |


## Frequently asked questions

### Is Atomic Connect free?

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

### Is Birthday Countdown & Reminders free?

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

### Do Atomic Connect or Birthday Countdown & Reminders have ads?

Birthday Countdown & Reminders shows ads; Atomic Connect does not.

### Which is updated more often, Atomic Connect or Birthday Countdown & Reminders?

Atomic Connect ships an update every 3 weeks, and Birthday Countdown & Reminders every 5 weeks. Most recently, Atomic Connect was updated on October 14, 2026 and Birthday Countdown & Reminders on October 23, 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.*