# SAHA vs Waterfaster

The clearest difference is update cadence: Waterfaster at every 11 days against SAHA's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SAHA sells 2 in-app purchases, starting at $9.99 per month and Waterfaster sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

SAHA ships an update every 3 weeks, Waterfaster every 11 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SAHA | Waterfaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (3 ratings)](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 52 MB | 59 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Mohamed Amine Nouhi](https://appshunter.io/developer/1887071461) | [AMIT Solutions](https://appshunter.io/developer/1892726088) |

## What reviewers say

### SAHA

[App page](https://appshunter.io/ios/app/saha-intermittent-fasting-ai/id6760965574)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Saha Premium | $9.99 | per month |
| Saha Premium | $49.99 | per year |


### Waterfaster

[App page](https://appshunter.io/ios/app/waterfaster-fasting-tracker/id6762065095)

Track intermittent and water fasts with live countdowns on your Lock Screen and widgets. Monitor your body's progress and connect with friends anonymously for support and challenges. Offers various fasting protocols and integrates with Apple Health.

**Highlights:** Live Lock Screen and widget countdowns, Anonymous social fasting with friends, Support for various fasting protocols, Apple Health integration, Hydration and electrolyte guidance, Progress tracking and insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waterfaster+ | $3.99 | per 7 days |
| Waterfaster+ | $44.99 | per year |
| Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is SAHA free?

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

### Is Waterfaster free?

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

### Do SAHA or Waterfaster have ads?

Neither SAHA nor Waterfaster shows ads.

### Which is updated more often, SAHA or Waterfaster?

SAHA ships an update every 3 weeks, and Waterfaster every 11 days. Most recently, SAHA was updated on October 31, 2026 and Waterfaster on November 5, 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.*