# Time to fast! vs FastTime

The clearest difference is ads: Time to fast! at none against FastTime's shown. Time to fast! also leads on update cadence (every 3 days vs monthly) and monetization model (free vs ad-supported). FastTime's advantage is review sentiment (100% vs 71%) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Time to fast! ships an update every 3 days, FastTime monthly. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Time to fast! | FastTime |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 40 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Eunbee Kang](https://appshunter.io/developer/1640984912) | [Seulki Eom](https://appshunter.io/developer/1718927408) |

## What reviewers say

### Time to fast!

[App page](https://appshunter.io/ios/app/time-to-fast/id6470159635)

Easily monitor your intermittent fasting schedule with a visual 24-hour timeline. Adjust plans, track progress, and receive timely notifications for fasting and eating periods. Save your results and review past fasting records to stay on track with your health goals.

**Highlights:** Circular 24-hour timeline, Adjustable fasting plans, Save and edit fasting results, Past fasting records review, Fasting start/end notifications, Pre-set fasting plans

**Features:** macOS Compatibility

**In-app purchases:** none


### FastTime

[App page](https://appshunter.io/ios/app/fasttime-fasting-timer-and-log/id6761371909)

This app offers a straightforward timer for intermittent fasting, allowing users to easily track their fasting hours and progress. It features customizable goals, helpful reminders, and visual statistics to support a healthier lifestyle. Data is kept private and stored locally on the device.

**Highlights:** Ultra-simple one-tap timer, Customizable fasting goals, Precise fasting reminders, Visual statistics and charts, Local data privacy, No registration required

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

**In-app purchases:** none


## Frequently asked questions

### Is Time to fast! free?

Time to fast! is free to download, with no in-app purchases.

### Is FastTime free?

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

### Do Time to fast! or FastTime have ads?

FastTime shows ads; Time to fast! does not.

### Which is updated more often, Time to fast! or FastTime?

Time to fast! ships an update every 3 days, and FastTime monthly. Most recently, Time to fast! was updated on June 1, 2026 and FastTime on September 20, 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.*