# Empty Fasting vs Hydro Dots

The clearest difference is in-app purchases: Empty Fasting at none against Hydro Dots's 4. Empty Fasting also leads on ads (none vs shown) and iOS requirement (17.0 vs 26.0). Hydro Dots's advantage is update cadence (daily vs every 3 days). On price and device support there is nothing between them.

Both are free to download. Hydro Dots sells 4 one-off in-app purchases. Empty Fasting asks for nothing beyond the download.

Empty Fasting ships an update every 3 days, Hydro Dots daily. The most recent releases landed on October 11, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Empty Fasting | Hydro Dots |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (84 ratings)](https://appshunter.io/ios/app/empty-fasting/id6475213946/reviews)** | — |
| Number of ratings | **84** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free | — |
| Size | 169 MB | 43 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Light Nudge](https://appshunter.io/developer/1731016560) | [Kengo Tate](https://appshunter.io/developer/1458012620) |

## 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


### Hydro Dots

[App page](https://appshunter.io/ios/app/hydro-dots/id6794577673)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A drop | $0.99 | one-time |
| A glass | $2.99 | one-time |
| A bottle | $5.99 | one-time |
| Pro — Founding Member | $5.99 | one-time |


## Frequently asked questions

### Is Empty Fasting free?

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

### Is Hydro Dots free?

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

### Do Empty Fasting or Hydro Dots have ads?

Hydro Dots shows ads; Empty Fasting does not.

### Which is updated more often, Empty Fasting or Hydro Dots?

Empty Fasting ships an update every 3 days, and Hydro Dots daily. Most recently, Empty Fasting was updated on October 11, 2026 and Hydro Dots on September 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.*