# hbd vs Source Technologies

The clearest difference is in-app purchases: Source Technologies at none against hbd's 5. Source Technologies also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. hbd sells 5 in-app purchases, starting at $2.49 per month. Source Technologies asks for nothing beyond the download.

hbd ships an update fortnightly, Source Technologies every 2 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | hbd | Source Technologies |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (150 ratings)](https://appshunter.io/ios/app/hbd-birthday-countdown/id1549327655/reviews)** | — |
| Number of ratings | **150** | — |
| Positive reviews | 91.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 57 MB | 16 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BZE, LLC](https://appshunter.io/developer/1513458269) | [Accudose, L.L.C.](https://appshunter.io/developer/1567421456) |

## What reviewers say

### hbd

[App page](https://appshunter.io/ios/app/hbd-birthday-countdown/id1549327655)

Never miss a birthday again with this app that sends timely reminders and allows you to send personalized digital cards. Easily add contacts, import from social media, or manually enter details to keep track of all important dates.

**Highlights:** Birthday reminders, Personalized e-cards, Import birthdays from contacts, Import from Facebook birthdays, Home screen widgets, Save received cards, Cross-device sync

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| hbd pro | $2.49 | per month |
| hbd pro | $3.99 | per 3 months |
| hbd Pro - 1 year | $19.99 | per year |
| hbd pro | $19.99 | per year |
| hbd pro lifetime | $44.99 | one-time |


### Source Technologies

[App page](https://appshunter.io/ios/app/source-technologies/id1640994064)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is hbd free?

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

### Is Source Technologies free?

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

### Do hbd or Source Technologies have ads?

Neither hbd nor Source Technologies shows ads.

### Which is updated more often, hbd or Source Technologies?

hbd ships an update fortnightly, and Source Technologies every 2 weeks. Most recently, hbd was updated on October 7, 2026 and Source Technologies on October 5, 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.*