# Lucky Address vs Auth Sync

The clearest difference is update cadence: Lucky Address at monthly against Auth Sync's every 3 months. Lucky Address also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Lucky Address ships an update monthly, Auth Sync every 3 months. The most recent releases landed on October 17, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Lucky Address | Auth Sync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 48 MB | 59 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [CrownPlay Limited](https://appshunter.io/developer/1770511770) | [DREAMER NETWORK CO., LTD](https://appshunter.io/developer/1613694335) |

## What reviewers say

### Lucky Address

[App page](https://appshunter.io/ios/app/lucky-address/id6717608905)

**Features:** macOS Compatibility

**In-app purchases:** none


### Auth Sync

[App page](https://appshunter.io/ios/app/auth-sync-safe-and-secure-2fa/id6751329938)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lucky Address free?

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

### Is Auth Sync free?

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

### Do Lucky Address or Auth Sync have ads?

Neither Lucky Address nor Auth Sync shows ads.

### Which is updated more often, Lucky Address or Auth Sync?

Lucky Address ships an update monthly, and Auth Sync every 3 months. Most recently, Lucky Address was updated on October 17, 2026 and Auth Sync on October 12, 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.*