# Attic Calendar vs Appydais

The clearest difference is in-app purchases: Appydais at none against Attic Calendar's 1. Appydais also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Attic Calendar sells 1 one-off in-app purchase. Appydais asks for nothing beyond the download.

Attic Calendar ships an update weekly, Appydais every 10 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Attic Calendar | Appydais |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/attic-calendar/id6504639335/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 15 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Lee](https://appshunter.io/developer/1753164877) | [SYLVAIN TAPIK](https://appshunter.io/developer/1877488535) |

## What reviewers say

### Attic Calendar

[App page](https://appshunter.io/ios/app/attic-calendar/id6504639335)

Explore the ancient Athenian calendar with this app. Track solstices, equinoxes, moon phases, and ancient Greek festivals. Features include customizable widgets for at-a-glance viewing and detailed calculation rules for historical accuracy.

**Highlights:** Ancient Athenian calendar tracking, Solstice and equinox markers, Moon phase tracking, Ancient Greek festivals and events, Lock screen and home screen widgets, Customizable day start (sunset/midnight)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.00 | one-time |


### Appydais

[App page](https://appshunter.io/ios/app/appydais/id6773050732)

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

**In-app purchases:** none


## Frequently asked questions

### Is Attic Calendar free?

Attic Calendar is free to download, with in-app purchases available.

### Is Appydais free?

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

### Do Attic Calendar or Appydais have ads?

Neither Attic Calendar nor Appydais shows ads.

### Which is updated more often, Attic Calendar or Appydais?

Attic Calendar ships an update weekly, and Appydais every 10 days. Most recently, Attic Calendar was updated on October 24, 2026 and Appydais on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*