# familyStructure vs Birthday Tracker

The clearest difference is price: Birthday Tracker at Free against familyStructure's $1.99. Birthday Tracker also leads on update cadence (every 5 days vs every 3 weeks). familyStructure's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 16.4). On ads and device support there is nothing between them.

Birthday Tracker is free to download; familyStructure costs $1.99 up front. Birthday Tracker sells 2 in-app purchases, starting at $3.99 per month. familyStructure asks for nothing beyond the download.

familyStructure ships an update every 3 weeks, Birthday Tracker every 5 days. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | familyStructure | Birthday Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Paid | — |
| Size | 5 MB | 40 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [worth.it productions](https://appshunter.io/developer/441746793) | [Zakhar Shylov](https://appshunter.io/developer/1881115151) |

## What reviewers say

### familyStructure

[App page](https://appshunter.io/ios/app/familystructure/id1102037809)

This app helps you organize and visualize complex family relationships, including ancestors, descendants, and partners. You can add people, assign partners and parents, and view their connections. It also allows you to add events to individuals and generate unique biographies.

**Highlights:** Manage complex family structures, Organize ancestors and descendants, Assign partners and parents, Visualize relationships, Add events to individuals, Generate unique person biographies, Automatic iCloud synchronization

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

**In-app purchases:** none


### Birthday Tracker

[App page](https://appshunter.io/ios/app/birthday-tracker-reminders/id6760178873)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is familyStructure free?

familyStructure costs $1.99, with no in-app purchases.

### Is Birthday Tracker free?

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

### Do familyStructure or Birthday Tracker have ads?

Neither familyStructure nor Birthday Tracker shows ads.

### Which is updated more often, familyStructure or Birthday Tracker?

familyStructure ships an update every 3 weeks, and Birthday Tracker every 5 days. Most recently, familyStructure was updated on October 24, 2026 and Birthday Tracker 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.*