# Attic Calendar vs Delphic Maxims

The clearest difference is in-app purchases: Delphic Maxims at none against Attic Calendar's 1. Attic Calendar's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Attic Calendar ships an update weekly, Delphic Maxims every 10 days. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Attic Calendar | Delphic Maxims |
| --- | --- | --- |
| 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** | Yes |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 263 MB | 61 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Thomas Lee](https://appshunter.io/developer/1753164877) | [DELPHIC MAXIMS NGO](https://appshunter.io/developer/1889535292) |

## 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 |


### Delphic Maxims

[App page](https://appshunter.io/ios/app/delphic-maxims/id6761423541)

**In-app purchases:** none


## Frequently asked questions

### Is Attic Calendar free?

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

### Is Delphic Maxims free?

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

### Do Attic Calendar or Delphic Maxims have ads?

Delphic Maxims shows ads; Attic Calendar does not.

### Which is updated more often, Attic Calendar or Delphic Maxims?

Attic Calendar ships an update weekly, and Delphic Maxims every 10 days. Most recently, Attic Calendar was updated on October 18, 2026 and Delphic Maxims on October 19, 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.*