# iWOOsah vs NUM Calendar

The clearest difference is update cadence: NUM Calendar at every 9 days against iWOOsah's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iWOOsah sells 2 in-app purchases, starting at $3.99 per month and NUM Calendar sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

iWOOsah ships an update every 3 weeks, NUM Calendar every 9 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iWOOsah | NUM Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iwoosah/id6477631621/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 292 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Authenible, Inc.](https://appshunter.io/developer/1528611898) | [Oleksandr Nikolaichuk](https://appshunter.io/developer/1854711899) |

## What reviewers say

### iWOOsah

[App page](https://appshunter.io/ios/app/iwoosah/id6477631621)

This app offers personalized daily energy forecasts by combining numerology, astrology, and guided meditation. It analyzes your birth details to provide readings and custom meditation sessions with Solfeggio music, all while keeping your data private on your device.

**Highlights:** Personalized daily energy forecasts, Numerology calculations (Pythagorean/Chaldean), Detailed astrological natal charts, Customizable meditation sessions, Solfeggio music with brainwave modes, Choice of house systems and numerology modes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iWOOsah Monthly | $3.99 | per month |
| iWOOsah Yearly | $24.99 | per year |


### NUM Calendar

[App page](https://appshunter.io/ios/app/num-calendar/id6755594678)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NUM Calendar | $2.99 | per month |


## Frequently asked questions

### Is iWOOsah free?

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

### Is NUM Calendar free?

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

### Do iWOOsah or NUM Calendar have ads?

Neither iWOOsah nor NUM Calendar shows ads.

### Which is updated more often, iWOOsah or NUM Calendar?

iWOOsah ships an update every 3 weeks, and NUM Calendar every 9 days. Most recently, iWOOsah was updated on October 18, 2026 and NUM Calendar on October 25, 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.*