# VOID vs FastingKit

The clearest difference is in-app purchases: VOID at none against FastingKit's 3. FastingKit's advantage is update cadence (every 3 days vs every 3 weeks) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. FastingKit sells 3 in-app purchases, starting at $0.99 per month. VOID asks for nothing beyond the download.

VOID ships an update every 3 weeks, FastingKit every 3 days. The most recent releases landed on October 4, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | VOID | FastingKit |
| --- | --- | --- |
| 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 3 days** |
| Monetization | Free | — |
| Size | 50 MB | 19 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [河南雀科信息科技有限公司](https://appshunter.io/developer/1439539185) | [锁利 俱](https://appshunter.io/developer/6779652792) |

## 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


### FastingKit

[App page](https://appshunter.io/ios/app/fastingkit-fasting-tracker/id6806566789)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FastingKit Pro（Monthly) | $0.99 | per month |
| FastingKit Pro（Yearly） | $7.99 | per year |
| FastingKit Pro（Lifetime） | $19.99 | one-time |


## Frequently asked questions

### Is VOID free?

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

### Is FastingKit free?

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

### Do VOID or FastingKit have ads?

Neither VOID nor FastingKit shows ads.

### Which is updated more often, VOID or FastingKit?

VOID ships an update every 3 weeks, and FastingKit every 3 days. Most recently, VOID was updated on October 4, 2026 and FastingKit on October 16, 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.*