# FastOnce vs دوائي

The clearest difference is in-app purchases: دوائي at none against FastOnce's 1. دوائي also leads on update cadence (daily vs every 6 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FastOnce sells 1 one-off in-app purchase. دوائي asks for nothing beyond the download.

FastOnce ships an update every 6 days, دوائي daily. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FastOnce | دوائي |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fastonce-fasting-timer/id6780015850/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Andrii Zakharov](https://appshunter.io/developer/6779217338) | [Ahmed Alanazi](https://appshunter.io/developer/6782558477) |

## What reviewers say

### FastOnce

[App page](https://appshunter.io/ios/app/fastonce-fasting-timer/id6780015850)

This app provides a simple, time-based fasting tracker with a unique visual dial. It offers customizable fasting plans, Ramadan-specific tracking with multiple calculation methods, and optional gentle reminders. Advanced features like charts and data export are available with a one-time purchase.

**Highlights:** Visual 24-hour clock dial for fasting progress, Customizable fasting and eating window plans, Ramadan mode with accurate Suhoor/Iftar times, Offline functionality with on-device computation, Lock Screen and Dynamic Island widgets, Streak tracking and calendar view, Optional gentle reminders and notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastOnce Pro | $9.99 | one-time |


### دوائي

[App page](https://appshunter.io/ios/app/id6782558475)

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

**In-app purchases:** none


## Frequently asked questions

### Is FastOnce free?

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

### Is دوائي free?

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

### Do FastOnce or دوائي have ads?

Neither FastOnce nor دوائي shows ads.

### Which is updated more often, FastOnce or دوائي?

FastOnce ships an update every 6 days, and دوائي daily. Most recently, FastOnce was updated on October 31, 2026 and دوائي on October 24, 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.*