# VOID vs Fasting Timer

The clearest difference is in-app purchases: VOID at none against Fasting Timer's 1. VOID also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fasting Timer sells 1 one-off in-app purchase. VOID asks for nothing beyond the download.

VOID ships an update every 3 weeks, Fasting Timer every 6 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | VOID | Fasting Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/void-intermittent-fasting/id6756490807/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 50 MB | 51 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [河南雀科信息科技有限公司](https://appshunter.io/developer/1439539185) | [Kenta Nagato](https://appshunter.io/developer/6781150799) |

## What reviewers say

### VOID

[App page](https://appshunter.io/ios/app/void-intermittent-fasting/id6756490807)

This AI-powered coach visualizes your fasting progress, from blood sugar depletion to fat burning. Log meals instantly with photo recognition or voice commands, and receive personalized nutrition and exercise advice. Gamified motivation and smart hydration tracking help build healthy habits.

**Highlights:** AI-powered nutrition coaching, Visualized fasting progress, AI meal logging via photo/voice, Deep Apple Watch integration, Personalized nutrition advice, Gamified motivation and rewards, Smart hydration tracking

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

**In-app purchases:** none


### Fasting Timer

[App page](https://appshunter.io/ios/app/fasting-timer-kufukun/id6787313477)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム(買い切り) | $2.99 | one-time |


## Frequently asked questions

### Is VOID free?

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

### Is Fasting Timer free?

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

### Do VOID or Fasting Timer have ads?

Neither VOID nor Fasting Timer shows ads.

### Which is updated more often, VOID or Fasting Timer?

VOID ships an update every 3 weeks, and Fasting Timer every 6 weeks. Most recently, VOID was updated on October 4, 2026 and Fasting Timer on October 10, 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.*