# Календарът БГ vs Geometry AI

The clearest difference is in-app purchases: Календарът БГ at none against Geometry AI's 2. Календарът БГ also leads on iOS requirement (11.0 vs 18.6). Geometry AI's advantage is update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Geometry AI sells 2 in-app purchases, starting at $3.99 per 7 days. Календарът БГ asks for nothing beyond the download.

Календарът БГ ships an update every 3 months, Geometry AI monthly. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Календарът БГ | Geometry AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free | — |
| Size | 64 MB | 23 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kaloyan Koravski](https://appshunter.io/developer/1576063017) | [Ideas All Day Ltd.](https://appshunter.io/developer/1628099296) |

## What reviewers say

### Календарът БГ

[App page](https://appshunter.io/ios/app/id1576079801)

This app provides comprehensive daily information, including religious holidays, name days, lunar phases, and astrological events. It also offers sunrise/sunset times and official public holidays. Location services enhance accuracy, but a default setting is available.

**Highlights:** Orthodox Christian calendar, Name day calendar, Lunar calendar, Sunrise and sunset times, Astrological calendar, Official public holidays

**Features:** macOS Compatibility

**In-app purchases:** none


### Geometry AI

[App page](https://appshunter.io/ios/app/geometry-ai-problem-solver/id6757408152)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $3.99 | per 7 days |
| Unlimited access | $29.99 | per year |


## Frequently asked questions

### Is Календарът БГ free?

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

### Is Geometry AI free?

Geometry AI is free to download, with in-app purchases available.

### Do Календарът БГ or Geometry AI have ads?

Neither Календарът БГ nor Geometry AI shows ads.

### Which is updated more often, Календарът БГ or Geometry AI?

Календарът БГ ships an update every 3 months, and Geometry AI monthly. Most recently, Календарът БГ was updated on October 9, 2026 and Geometry AI on October 21, 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.*