# Numbers, Dates vs Kakeizu

The clearest difference is in-app purchases: Numbers, Dates at none against Kakeizu's 5. Kakeizu's advantage is update cadence (every 6 days vs every 5 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Kakeizu sells 5 in-app purchases, starting at $3.99 per month. Numbers, Dates asks for nothing beyond the download.

Numbers, Dates ships an update every 5 months, Kakeizu every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Numbers, Dates | Kakeizu |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 7 MB | 66 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Lentschik](https://appshunter.io/developer/629988041) | [Shogo Watanabe](https://appshunter.io/developer/1860741514) |

## What reviewers say

### Numbers, Dates

[App page](https://appshunter.io/ios/app/numbers-dates/id1664119074)

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

**In-app purchases:** none


### Kakeizu

[App page](https://appshunter.io/ios/app/kakeizu-family-tree-maker/id6758266321)

Explore your family's history with a dynamic timeline and AI-powered ancestor stories. Create detailed family trees, manage important dates, and gain insights into family patterns. Export your data in various formats for safekeeping and sharing.

**Highlights:** Dynamic Time Machine for historical visualization, AI-powered ancestor story generation, Detailed family tree creation, Family insights and statistics, Event timeline and calendar management, Customizable anniversary reminders, Versatile export options (PDF, CSV, GEDCOM)

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン (月額) | $3.99 | per month |
| プレミアムプラン (年額) | $39.99 | per year |
| AI Ancestor Credit (1 use) | $0.99 | one-time |
| AI Ancestor Credit (5 uses) | $3.99 | one-time |
| AI Ancestor Credit (10 uses) | $7.99 | one-time |


## Frequently asked questions

### Is Numbers, Dates free?

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

### Is Kakeizu free?

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

### Do Numbers, Dates or Kakeizu have ads?

Neither Numbers, Dates nor Kakeizu shows ads.

### Which is updated more often, Numbers, Dates or Kakeizu?

Numbers, Dates ships an update every 5 months, and Kakeizu every 6 days. Most recently, Numbers, Dates was updated on October 30, 2026 and Kakeizu on October 31, 2026.

---

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