# Fasting Methods vs World Religions Guide by CS

The clearest difference is update cadence: Fasting Methods at every 3 weeks against World Religions Guide by CS's every 6 months. Fasting Methods also leads on device support (3 vs 1) and iOS requirement (15.6 vs 18.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Fasting Methods sells 2 in-app purchases, starting at $1.99 per month and World Religions Guide by CS sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Fasting Methods ships an update every 3 weeks, World Religions Guide by CS every 6 months. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Fasting Methods | World Religions Guide by CS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 6 months |
| Size | 130 MB | 10 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [ChatStick Company Limited](https://appshunter.io/developer/1165816085) |

## What reviewers say

### Fasting Methods

[App page](https://appshunter.io/ios/app/fasting-methods/id6742858811)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| fasting_by_oliva_subscription | $1.99 | per month |
| fasting_by_oliva_donation | $1.99 | one-time |


### World Religions Guide by CS

[App page](https://appshunter.io/ios/app/world-religions-guide-by-cs/id6753081511)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $1.99 | one-time |


## Frequently asked questions

### Is Fasting Methods free?

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

### Is World Religions Guide by CS free?

World Religions Guide by CS is free to download, with in-app purchases available.

### Do Fasting Methods or World Religions Guide by CS have ads?

Both Fasting Methods and World Religions Guide by CS show ads.

### Which is updated more often, Fasting Methods or World Religions Guide by CS?

Fasting Methods ships an update every 3 weeks, and World Religions Guide by CS every 6 months. Most recently, Fasting Methods was updated on October 15, 2026 and World Religions Guide by CS on October 20, 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.*