# iDayLite vs Birthday Management Calculator

The clearest difference is rating: Birthday Management Calculator at 5.0 against iDayLite's 2.3. Birthday Management Calculator also leads on in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.0). iDayLite's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 32 months). On price and device support there is nothing between them.

Both are free to download. iDayLite sells 2 in-app purchases, starting at $3.99 per year. Birthday Management Calculator asks for nothing beyond the download.

Birthday Management Calculator holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews complicate that: 24% of iDayLite's written reviews are positive against 0% of Birthday Management Calculator's, so the app with the better star average is not the one people write more warmly about.

iDayLite ships an update every 6 weeks, Birthday Management Calculator every 32 months. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | iDayLite | Birthday Management Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/idaylite/id312671180/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/birthday-management-calculator/id657335513/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | **24.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 6 weeks** | Every 32 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 18 MB | 14 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ihanwel.com](https://appshunter.io/developer/296400161) | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) |

## What reviewers say

### iDayLite

[App page](https://appshunter.io/ios/app/idaylite/id312671180)

Never forget important dates like birthdays and anniversaries again. This app imports contacts' birthdays, allows manual entries for special events, and provides daily astrological and historical information. You can also send personalized birthday greetings directly from the app.

**Highlights:** Birthday and anniversary reminders, Import contacts' birthdays, Manual event entries, Daily horoscope and astrological data, Historical facts and 'On This Day' information, Send personalized birthday emails, Integrated backup function

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $3.99 | per year |
| Push Service iDay Lite 2010 | $0.99 | one-time |


### Birthday Management Calculator

[App page](https://appshunter.io/ios/app/birthday-management-calculator/id657335513)

Easily track birthdays for up to five people. Get details like the day of the week, constellation, and age. Set event reminders and sync them to your calendar.

**Highlights:** Birthday tracking for up to 5 people, Displays day of week, constellation, and age, Countdown to next birthday, Event and reminder creation, Calendar synchronization

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is iDayLite free?

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

### Is Birthday Management Calculator free?

Birthday Management Calculator is free to download, with no in-app purchases.

### Which has better reviews, iDayLite or Birthday Management Calculator?

Birthday Management Calculator is rated higher. iDayLite averages 2.3 out of 5 from 4 ratings, while Birthday Management Calculator averages 5.0 from 1 ratings.

### Do iDayLite or Birthday Management Calculator have ads?

Birthday Management Calculator shows ads; iDayLite does not.

### Which is updated more often, iDayLite or Birthday Management Calculator?

iDayLite ships an update every 6 weeks, and Birthday Management Calculator every 32 months. Most recently, iDayLite was updated on October 26, 2026 and Birthday Management Calculator 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.*