# Fasting Timer vs Seize Light

The clearest difference is ads: Fasting Timer at none against Seize Light's shown. Seize Light's advantage is update cadence (fortnightly vs every 4 months). On price, in-app purchases, device support 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.

Fasting Timer ships an update every 4 months, Seize Light fortnightly. The most recent releases landed on September 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Fasting Timer | Seize Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/fasting-timer-nova-fast/id6761011600/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 10 MB | 34 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jakub Laszczyk](https://appshunter.io/developer/568719342) | [sebastian totte](https://appshunter.io/developer/1819107580) |

## What reviewers say

### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-nova-fast/id6761011600)

This app tracks intermittent fasting, visualizing your body's biological phases and progress. It offers customizable timers, water tracking, a journal, and gamified elements to motivate users. Monitor body measurements and weight to see your transformation.

**Highlights:** Biological phase tracking, Customizable fasting timers, Home screen widgets, Body measurements and weight tracking, Water tracking with reminders, Fasting journal, Gamified progress with XP and badges

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

**In-app purchases:** none


### Seize Light

[App page](https://appshunter.io/ios/app/seize-light/id6784576883)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fasting Timer free?

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

### Is Seize Light free?

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

### Do Fasting Timer or Seize Light have ads?

Seize Light shows ads; Fasting Timer does not.

### Which is updated more often, Fasting Timer or Seize Light?

Fasting Timer ships an update every 4 months, and Seize Light fortnightly. Most recently, Fasting Timer was updated on September 7, 2026 and Seize Light on September 26, 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.*