# interfasting vs SipSheep：Water Tracker

The clearest difference is in-app purchases: SipSheep：Water Tracker at none against interfasting's 2. SipSheep：Water Tracker also leads on device support (4 vs 2) and iOS requirement (14.0 vs 18.5). interfasting's advantage is update cadence (every 5 days vs monthly). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. interfasting sells 2 in-app purchases, starting at $9.99 per month. SipSheep：Water Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for interfasting against 5.0 for SipSheep：Water Tracker. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

interfasting ships an update every 5 days, SipSheep：Water Tracker monthly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | interfasting | SipSheep：Water Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interfasting/id6751507755/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sipsheepwater-tracker/id6785046716/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 27 MB |
| Requires iOS | 18.5 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Morel](https://appshunter.io/developer/1497560273) | [路远 陈](https://appshunter.io/developer/6785024007) |

## What reviewers say

### interfasting

[App page](https://appshunter.io/ios/app/interfasting/id6751507755)

This app helps users achieve wellness goals through intermittent fasting. It offers custom fasting plans, real-time progress tracking, and detailed statistics on fasting success and weight changes. The app prioritizes privacy with local data storage and no account creation required.

**Highlights:** Custom fasting plans (16:8, 18:6, 20:4), Real-time progress countdown, Session history and statistics, Weight tracking and visualization, Success/failure tracking, Data export for healthcare providers, Local data storage for privacy

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InterFasting Pro | $9.99 | per month |
| InterFasting Pro (Yearly) | $108.99 | per year |


### SipSheep：Water Tracker

[App page](https://appshunter.io/ios/app/sipsheepwater-tracker/id6785046716)

This app helps you track your daily water intake and build healthy hydration habits. It offers smart reminders, progress views, and syncs with Apple Health. Designed for simplicity and ease of use, it makes staying hydrated a calm and consistent part of your day.

**Highlights:** Fast water logging, Daily hydration goal setting, Smart hydration reminders, Hydration history and trends, Apple Watch support, Apple Health sync, Widgets and Live Activities

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

**In-app purchases:** none


## Frequently asked questions

### Is interfasting free?

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

### Is SipSheep：Water Tracker free?

SipSheep：Water Tracker is free to download, with no in-app purchases.

### Which has better reviews, interfasting or SipSheep：Water Tracker?

interfasting and SipSheep：Water Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do interfasting or SipSheep：Water Tracker have ads?

Neither interfasting nor SipSheep：Water Tracker shows ads.

### Which is updated more often, interfasting or SipSheep：Water Tracker?

interfasting ships an update every 5 days, and SipSheep：Water Tracker monthly. Most recently, interfasting was updated on October 9, 2026 and SipSheep：Water Tracker on October 12, 2026.

---

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