# WaterFast vs FastCue

WaterFast and FastCue are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. WaterFast sells 3 in-app purchases, starting at $2.99 per month and FastCue sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

WaterFast ships an update weekly, FastCue every 6 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | WaterFast | FastCue |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/waterfast-if-fasting-timer/id6787013484/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 3 MB | 101 MB |
| Requires iOS | 17.0 | **16.1** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | +4 | 12+ |
| Developer | [LUIS ORLANDO LAZO GONZALEZ](https://appshunter.io/developer/1896012382) | [NAM HO LEE](https://appshunter.io/developer/6806981554) |

## What reviewers say

### WaterFast

[App page](https://appshunter.io/ios/app/waterfast-if-fasting-timer/id6787013484)

This app provides a synchronized intermittent fasting timer designed for seamless use across your iPhone and Apple Watch. It offers detailed insights into fasting zones and hydration tracking, with a focus on privacy and a user-friendly experience.

**Highlights:** Synchronized iPhone and Apple Watch timer, Fasting zone insights, Hydration tracking, Multiple fasting plans, Streak calendar, Data export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WaterFast PRO Monthly | $2.99 | per month |
| WaterFast PRO Yearly | $9.99 | per year |
| WaterFast PRO Lifetime | $24.99 | one-time |


### FastCue

[App page](https://appshunter.io/ios/app/fastcue-intermittent-fasting/id6806981552)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastCue Pro Monthly | $4.99 | per month |
| FastCue Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is WaterFast free?

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

### Is FastCue free?

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

### Do WaterFast or FastCue have ads?

Neither WaterFast nor FastCue shows ads.

### Which is updated more often, WaterFast or FastCue?

WaterFast ships an update weekly, and FastCue every 6 days. Most recently, WaterFast was updated on November 5, 2026 and FastCue on November 6, 2026.

---

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