# MO vs Ancient slavic calendar

The clearest difference is rating: MO at 5.0 against Ancient slavic calendar's 4.0. MO also leads on in-app purchases (none vs 4) and ratings volume (4 vs 1). Ancient slavic calendar's advantage is ads (none vs shown) and update cadence (every 2 months vs every 23 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Ancient slavic calendar sells 4 one-off in-app purchases. MO asks for nothing beyond the download.

MO holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

MO ships an update every 23 months, Ancient slavic calendar every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MO | Ancient slavic calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mo/id1027956854/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/ancient-slavic-calendar/id1593752564/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 23 months | **Every 2 months** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 97 MB | 9 MB |
| Requires iOS | **13.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DablPoint](https://appshunter.io/developer/435406037) | [Arturs Jaskevics](https://appshunter.io/developer/1593752566) |

## What reviewers say

### MO

[App page](https://appshunter.io/ios/app/mo/id1027956854)

This app offers a traditional Tibetan divination method based on Buddhist philosophy. It provides guidance for important decisions by interpreting 36 possible combinations, believed to be insights from the deity Manjushri. Reflect on your questions and use this simple method to gain clarity on life's important matters.

**Highlights:** Tibetan divination method, Buddhist philosophy basis, 36 combinations for answers, Guidance for important decisions, Clarity on life matters, Simple and clear method

**Features:** macOS Compatibility

**In-app purchases:** none


### Ancient slavic calendar

[App page](https://appshunter.io/ios/app/ancient-slavic-calendar/id1593752564)

Explore the ancient Slavic calendar system, known as Krugolet. Understand its hexadecimal calculations, 16-year cycles, and the 144-year Circle of Life. Discover its historical context and how it differs from the modern calendar.

**Highlights:** Hexadecimal calculation system, 16-year Krugolet cycles, 144-year Circle of Life, Autumnal Equinox New Year, Historical comparison to modern calendar

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Donations | $0.99 | one-time |
| Donations | $4.99 | one-time |
| Donations | $9.99 | one-time |
| Donations | $14.99 | one-time |


## Frequently asked questions

### Is MO free?

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

### Is Ancient slavic calendar free?

Ancient slavic calendar is free to download, with in-app purchases available.

### Which has better reviews, MO or Ancient slavic calendar?

MO is rated higher. MO averages 5.0 out of 5 from 4 ratings, while Ancient slavic calendar averages 4.0 from 1 ratings.

### Do MO or Ancient slavic calendar have ads?

MO shows ads; Ancient slavic calendar does not.

### Which is updated more often, MO or Ancient slavic calendar?

MO ships an update every 23 months, and Ancient slavic calendar every 2 months. Most recently, MO was updated on October 4, 2026 and Ancient slavic calendar on October 10, 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.*