# EteSync vs addy.io

The clearest difference is review sentiment: addy.io at 81% against EteSync's 20%. addy.io also leads on rating (4.7 vs 3.0) and ratings volume (70 vs 20). EteSync's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. addy.io sells 3 in-app purchases, starting at $3.99 per month. EteSync asks for nothing beyond the download.

addy.io holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 20 and 70 respectively. Written reviews point the same way: 20% of EteSync's written reviews are positive against 81% of addy.io's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EteSync | addy.io |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (20 ratings)](https://appshunter.io/ios/app/etesync/id1489574285/reviews) | **[4.7 (70 ratings)](https://appshunter.io/ios/app/addyio/id6563138633/reviews)** |
| Number of ratings | 20 | **70** |
| Positive reviews | 20.0% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 56 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [EteSync Ltd](https://appshunter.io/developer/1489574284) | [addy.io](https://appshunter.io/developer/1758544549) |

## What reviewers say

### EteSync

[App page](https://appshunter.io/ios/app/etesync/id1489574285)

Securely sync your contacts, calendars, and tasks across devices. This app provides a privacy-respecting synchronization solution with a full history of your data, allowing for restoration and access to past versions.

**Highlights:** Secure data synchronization, Contacts, calendars, and tasks sync, Privacy-respecting, Open-source client and server, Full data history and restore, Easy to use setup

**Features:** macOS Compatibility

**In-app purchases:** none


### addy.io

[App page](https://appshunter.io/ios/app/addyio/id6563138633)

Manage your email aliases and recipients on the go with this sleek mobile application. Create new aliases, forward emails, and receive notifications for delivery issues. Securely access your account with biometric authentication.

**Highlights:** Create and manage email aliases, Forward emails from anywhere, Biometric app lock, Notifications for delivery issues, Alias management via Shortcuts and Siri, Widgets for quick access, WatchOS app for on-the-go management

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan (1 Month) | $3.99 | per month |
| Lite Plan (1 Year) | $13.49 | per year |
| Pro Plan (1 Year) | $39.99 | per year |


## Frequently asked questions

### Is EteSync free?

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

### Is addy.io free?

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

### Which has better reviews, EteSync or addy.io?

addy.io is rated higher. EteSync averages 3.0 out of 5 from 20 ratings, while addy.io averages 4.7 from 70 ratings.

### Do EteSync or addy.io have ads?

Neither EteSync nor addy.io shows ads.

### Which is updated more often, EteSync or addy.io?

EteSync ships an update every 3 weeks, and addy.io every 3 weeks. Most recently, EteSync was updated on October 12, 2026 and addy.io on October 11, 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.*