# Contacts Address Book vs 1Address

The clearest difference is in-app purchases: 1Address at none against Contacts Address Book's 4. 1Address also leads on rating (5.0 vs 4.7). Contacts Address Book's advantage is ratings volume (53 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Contacts Address Book sells 3 in-app purchases, starting at $3.99 per month. 1Address asks for nothing beyond the download.

1Address holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Contacts Address Book has 53 ratings behind it against 1, so its average is the more settled of the two.

Contacts Address Book ships an update every 4 weeks, 1Address every 5 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Contacts Address Book | 1Address |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (53 ratings)](https://appshunter.io/ios/app/contacts-address-book-amicu/id1481868897/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/1address/id1587606190/reviews)** |
| Number of ratings | **53** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Freemium | **Free** |
| Size | 29 MB | 3 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kai Oelfke](https://appshunter.io/developer/644779478) | [Jonathan Judelson](https://appshunter.io/developer/813495416) |

## What reviewers say

### Contacts Address Book

[App page](https://appshunter.io/ios/app/contacts-address-book-amicu/id1481868897)

This app helps you nurture your personal relationships by reminding you to stay in touch and celebrate important birthdays. It offers a private and offline experience, allowing you to manage contacts and set custom reminders to keep your social circle strong.

**Highlights:** Birthday reminders, Keep-in-touch reminders, Contact management, Offline functionality, Customizable notifications, Widgets

**Features:** Vision Pro support

**In-app purchases (3)**

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


### 1Address

[App page](https://appshunter.io/ios/app/1address/id1587606190)

Easily share and automatically update mailing addresses with friends and family. Control your own address information and receive automatic updates when others change theirs. Open shared addresses in maps or export lists for mailings.

**Highlights:** Automatic address updates, User-controlled sharing, Map integration for addresses, Export address lists, Simplified contact management

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

**In-app purchases:** none


## Frequently asked questions

### Is Contacts Address Book free?

Contacts Address Book is free to download, with in-app purchases available.

### Is 1Address free?

1Address is free to download, with no in-app purchases.

### Which has better reviews, Contacts Address Book or 1Address?

1Address is rated higher. Contacts Address Book averages 4.7 out of 5 from 53 ratings, while 1Address averages 5.0 from 1 ratings.

### Do Contacts Address Book or 1Address have ads?

Neither Contacts Address Book nor 1Address shows ads.

### Which is updated more often, Contacts Address Book or 1Address?

Contacts Address Book ships an update every 4 weeks, and 1Address every 5 weeks. Most recently, Contacts Address Book was updated on November 3, 2026 and 1Address on November 7, 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.*