# A2O vs Home Sync

The clearest difference is update cadence: Home Sync at every 5 months against A2O's every 11 months. 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.

A2O ships an update every 11 months, Home Sync every 5 months. The most recent releases landed on June 1, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | A2O | Home Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/a2o/id6443875849/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 188 MB | 215 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Aquaporin](https://appshunter.io/developer/1573920954) | [NEWSAN S.A.](https://appshunter.io/developer/1078083411) |

## What reviewers say

### A2O

[App page](https://appshunter.io/ios/app/a2o/id6443875849)

Manage your water purifier from your smartphone, track real-time water usage, and receive timely filter change reminders. Access product manuals and helpful water information.

**Highlights:** Connect and manage water purifier, Track real-time water usage, Filter change reminders, Maintenance guidance, Access product manuals, View purification effectiveness

**In-app purchases:** none


### Home Sync

[App page](https://appshunter.io/ios/app/home-sync/id6477182579)

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

**In-app purchases:** none


## Frequently asked questions

### Is A2O free?

A2O is free to download, with no in-app purchases.

### Is Home Sync free?

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

### Do A2O or Home Sync have ads?

Neither A2O nor Home Sync shows ads.

### Which is updated more often, A2O or Home Sync?

A2O ships an update every 11 months, and Home Sync every 5 months. Most recently, A2O was updated on June 1, 2026 and Home Sync on September 8, 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.*