# Fastoo vs Winterarc

The clearest difference is in-app purchases: Fastoo at none against Winterarc's 3. Fastoo also leads on ads (none vs shown) and review sentiment (100% vs 67%). Winterarc's advantage is update cadence (every 6 days vs every 41 months). On price and device support there is nothing between them.

Both are free to download. Winterarc sells 3 in-app purchases, starting at $12.99 per month. Fastoo asks for nothing beyond the download.

Fastoo ships an update every 41 months, Winterarc every 6 days. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fastoo | Winterarc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/winterarc-90-day-challenge/id6808932056/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 6 days** |
| Monetization | **Free** | Freemium |
| Size | 8 MB | 32 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SoulBook Pty Ltd](https://appshunter.io/developer/1381345619) | [Victor Gassmann](https://appshunter.io/developer/1843091685) |

## What reviewers say

### Fastoo

[App page](https://appshunter.io/ios/app/fastoo/id1381345620)

This app guides users through intermittent fasting routines to promote fitness and well-being. It also includes a timer for mindful breathing exercises to help reduce stress and improve mental health.

**Highlights:** Intermittent fasting tracking, Weekly fasting reminders, Mindful breathing timer, Stress reduction exercises, Mental health support

**Features:** macOS Compatibility

**In-app purchases:** none


### Winterarc

[App page](https://appshunter.io/ios/app/winterarc-90-day-challenge/id6808932056)

This app challenges users to build discipline over 90 days by adhering to a set of daily rules. It visualizes progress through a daily check-in system and offers a side-by-side photo comparison at the end of the challenge. Users can customize their rules with a premium subscription.

**Highlights:** 90-day discipline challenge, Daily rule check-in, Progress visualization (squares, flame), End-of-challenge photo comparison, Customizable rules (Pro), Apple Health sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mensuel | $12.99 | per month |
| Pro Annuel | $14.99 | per year |
| Pro Annuel | $24.99 | per year |


## Frequently asked questions

### Is Fastoo free?

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

### Is Winterarc free?

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

### Do Fastoo or Winterarc have ads?

Winterarc shows ads; Fastoo does not.

### Which is updated more often, Fastoo or Winterarc?

Fastoo ships an update every 41 months, and Winterarc every 6 days. Most recently, Fastoo was updated on October 29, 2026 and Winterarc on October 31, 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.*