# B vs Days Until

The clearest difference is update cadence: Days Until at every 2 days against B's every 2 months. Days Until also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. B sells 3 in-app purchases, starting at $2.99 per month and Days Until sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

B ships an update every 2 months, Days Until every 2 days. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | B | Days Until |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 49 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MANUEL ANTONIO VALENTE COUTO](https://appshunter.io/developer/1758435658) | [Chris Barber-Riley](https://appshunter.io/developer/1649405518) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-day-widget/id6737482867)

Easily track birthdays, anniversaries, and other important dates with personalized reminders and a clear calendar view. Import contacts, save gift ideas, and get live countdowns to upcoming celebrations. Seamlessly sync with your device's calendar and export your data.

**Highlights:** Birthday and anniversary reminders, Birthday tracker and list, Calendar sync, Import from contacts, Live countdowns, Save gift ideas, Data backup and export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly B-day plus | $2.99 | per month |
| B-day Yearly | $19.99 | per year |
| All Themes | $3.99 | one-time |


### Days Until

[App page](https://appshunter.io/ios/app/days-until-event-countdown/id6757196050)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annual | $5.99 | per year |


## Frequently asked questions

### Is B free?

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

### Is Days Until free?

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

### Do B or Days Until have ads?

Neither B nor Days Until shows ads.

### Which is updated more often, B or Days Until?

B ships an update every 2 months, and Days Until every 2 days. Most recently, B was updated on October 21, 2026 and Days Until on October 12, 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.*