# Address Book+ vs UnitBastion

Address Book+ and UnitBastion are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Address Book+ ships an update every 2 weeks, UnitBastion every 3 weeks. The most recent releases landed on October 2, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Address Book+ | UnitBastion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 56 MB | 33 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Saurabh Singh](https://appshunter.io/developer/1567808814) | [talrace](https://appshunter.io/developer/1504062325) |

## What reviewers say

### Address Book+

[App page](https://appshunter.io/ios/app/address-book-plus/id1659280437)

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

**In-app purchases:** none


### UnitBastion

[App page](https://appshunter.io/ios/app/unitbastion/id6448989680)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Address Book+ free?

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

### Is UnitBastion free?

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

### Do Address Book+ or UnitBastion have ads?

Neither Address Book+ nor UnitBastion shows ads.

### Which is updated more often, Address Book+ or UnitBastion?

Address Book+ ships an update every 2 weeks, and UnitBastion every 3 weeks. Most recently, Address Book+ was updated on October 2, 2026 and UnitBastion on September 28, 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.*