# Empty Fasting vs Sansoif

The clearest difference is in-app purchases: Empty Fasting at none against Sansoif's 4. Sansoif's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Sansoif sells 4 in-app purchases, starting at $3.99 per month. Empty Fasting asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Empty Fasting | Sansoif |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (83 ratings)](https://appshunter.io/ios/app/empty-fasting/id6475213946/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free | — |
| Size | 169 MB | 91 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Light Nudge](https://appshunter.io/developer/1731016560) | [SXN LABS](https://appshunter.io/developer/6780653426) |

## What reviewers say

### Empty Fasting

[App page](https://appshunter.io/ios/app/empty-fasting/id6475213946)

This app helps users focus on a single fasting period at a time, offering both overnight and daytime schedules. It provides customizable themes and icons, home screen widgets, and tracks fasting streaks and trends with encouraging messages.

**Highlights:** Single fast focus, Home screen widgets, Overnight and daytime schedules, Customizable themes and icons, Streak and trend statistics, Encouragement during fasts

**In-app purchases:** none

**What reviewers like**

- ✨ Beautiful UI design
- 👍 Simple and focused functionality
- 🚀 Snappy and well-thought-out UI
- 💎 Clean and minimal aesthetic
- ✅ Does what it's made for

**What reviewers complain about**

- ❌ Lacks custom fasting length
- ❌ Can’t personalize app for ADF
- ❌ Lacks Apple Health integration
- ❌ Inability to edit start time
- ❌ Fasts can’t be started at any time

**Reported bugs**

- Fast reminders still sent even if the fasting session is currently active.

**Requested features**

- Custom fasting length (days/hours)
- More options for ADF
- Apple Health integration
- Ability to edit start time of a running timer
- Set multiple start fast reminders


### Sansoif

[App page](https://appshunter.io/ios/app/sansoif/id6780653424)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sansoif Plus (monthly) | $3.99 | per month |
| Sansoif Plus (yearly) | $22.99 | per year |
| Seasons Pack | $6.99 | one-time |
| Sansoif Founder | $89.99 | one-time |


## Frequently asked questions

### Is Empty Fasting free?

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

### Is Sansoif free?

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

### Do Empty Fasting or Sansoif have ads?

Neither Empty Fasting nor Sansoif shows ads.

### Which is updated more often, Empty Fasting or Sansoif?

Empty Fasting ships an update every 3 days, and Sansoif every 3 days. Most recently, Empty Fasting was updated on October 23, 2026 and Sansoif on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*