# CalenDual vs Birthday Countdown Reminder !

The clearest difference is in-app purchases: CalenDual at none against Birthday Countdown Reminder !'s 3. CalenDual also leads on update cadence (every 2 days vs every 2 months) and iOS requirement (15.6 vs 18.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Birthday Countdown Reminder ! sells 3 in-app purchases, starting at $2.99 per month. CalenDual asks for nothing beyond the download.

CalenDual ships an update every 2 days, Birthday Countdown Reminder ! every 2 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | CalenDual | Birthday Countdown Reminder ! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/birthday-countdown-reminder/id6751612160/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 months |
| Monetization | **Free** | Freemium |
| Size | 8 MB | 23 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maxence Wright](https://appshunter.io/developer/1794795376) | [Jeff Cedilla](https://appshunter.io/developer/944615129) |

## What reviewers say

### CalenDual

[App page](https://appshunter.io/ios/app/calendual/id6741591229)

Never miss a special occasion again with this app that sends personalized, AI-generated messages automatically. It offers multilingual support, inspirational templates, and easy event management to help you celebrate effortlessly while maintaining a personal touch.

**Highlights:** Automatic message sending, AI-generated personalized messages, Multilingual and culturally adapted, Inspirational message templates, Interactive event calendar, Message tracking and notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### Birthday Countdown Reminder !

[App page](https://appshunter.io/ios/app/birthday-countdown-reminder/id6751612160)

Never forget a special occasion again with smart reminders and personalized birthday cards. Organize contacts, track gifts, and create beautiful memories with an elegant and intuitive interface. Supports multiple languages and iCloud sync.

**Highlights:** Smart reminders for special occasions, Personalized birthday card creation, Home screen widgets, Contact organization into groups, Gift and memory tracking, iCloud sync, Multi-language support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $7.99 | per year |
| Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is CalenDual free?

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

### Is Birthday Countdown Reminder ! free?

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

### Do CalenDual or Birthday Countdown Reminder ! have ads?

Neither CalenDual nor Birthday Countdown Reminder ! shows ads.

### Which is updated more often, CalenDual or Birthday Countdown Reminder !?

CalenDual ships an update every 2 days, and Birthday Countdown Reminder ! every 2 months. Most recently, CalenDual was updated on November 4, 2026 and Birthday Countdown Reminder ! on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*