# Birthday Countdown | Reminder vs ChargeFlow

The clearest difference is ads: Birthday Countdown | Reminder at none against ChargeFlow's shown. Birthday Countdown | Reminder also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Birthday Countdown | Reminder sells 3 in-app purchases, starting at $0.99 per month and ChargeFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Birthday Countdown | Reminder ships an update every 5 days, ChargeFlow every 2 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Birthday Countdown | Reminder | ChargeFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birthday-countdown-reminder/id6738423518/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 33 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Applixus](https://appshunter.io/developer/1724556747) | [Nurale Srls](https://appshunter.io/developer/1647031630) |

## What reviewers say

### Birthday Countdown | Reminder

[App page](https://appshunter.io/ios/app/birthday-countdown-reminder/id6738423518)

Easily track birthdays and special occasions with smart reminders and calendar integration. Stay organized and never miss an important celebration with a beautifully designed, intuitive interface.

**Highlights:** Smart birthday tracking, Countdown timer, Calendar integration, Intelligent reminders, Customizable notifications, Intuitive design, Backup and restore

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $2.99 | per year |
| Birthday Reminder Premium | $0.99 | one-time |


### ChargeFlow

[App page](https://appshunter.io/ios/app/chargeflow/id6766921795)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Birthday Countdown | Reminder free?

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

### Is ChargeFlow free?

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

### Do Birthday Countdown | Reminder or ChargeFlow have ads?

ChargeFlow shows ads; Birthday Countdown | Reminder does not.

### Which is updated more often, Birthday Countdown | Reminder or ChargeFlow?

Birthday Countdown | Reminder ships an update every 5 days, and ChargeFlow every 2 months. Most recently, Birthday Countdown | Reminder was updated on October 24, 2026 and ChargeFlow on October 31, 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.*