# addy.io extension vs Ephemeridis

addy.io extension and Ephemeridis 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.

addy.io extension ships an update every 4 weeks, Ephemeridis every 5 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | addy.io extension | Ephemeridis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Size | 7 MB | 60 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [addy.io](https://appshunter.io/developer/1758544549) | [magalie pacreau](https://appshunter.io/developer/1841887032) |

## What reviewers say

### addy.io extension

[App page](https://appshunter.io/ios/app/addyio-extension/id6670220050)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


### Ephemeridis

[App page](https://appshunter.io/ios/app/ephemeridis/id6756843820)

**In-app purchases:** none


## Frequently asked questions

### Is addy.io extension free?

addy.io extension is free to download, with no in-app purchases.

### Is Ephemeridis free?

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

### Do addy.io extension or Ephemeridis have ads?

Neither addy.io extension nor Ephemeridis shows ads.

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

addy.io extension ships an update every 4 weeks, and Ephemeridis every 5 weeks. Most recently, addy.io extension was updated on October 25, 2026 and Ephemeridis on October 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.*