# 轻断食 vs VOID

The clearest difference is in-app purchases: VOID at none against 轻断食's 3. VOID also leads on update cadence (every 2 weeks vs every 2 months). 轻断食's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 轻断食 sells 3 in-app purchases, starting at $4.99 per 3 months. VOID asks for nothing beyond the download.

轻断食 ships an update every 2 months, VOID every 2 weeks. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | 轻断食 | VOID |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 24 MB | 50 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [克填 姜](https://appshunter.io/developer/1543901280) | [河南雀科信息科技有限公司](https://appshunter.io/developer/1439539185) |

## What reviewers say

### 轻断食

[App page](https://appshunter.io/ios/app/id6743663863)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 季会员 | $4.99 | per 3 months |
| 年会员 | $12.99 | per year |
| 永久会员 | $19.99 | one-time |


### 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


## Frequently asked questions

### Is 轻断食 free?

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

### Is VOID free?

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

### Do 轻断食 or VOID have ads?

Neither 轻断食 nor VOID shows ads.

### Which is updated more often, 轻断食 or VOID?

轻断食 ships an update every 2 months, and VOID every 2 weeks. Most recently, 轻断食 was updated on September 10, 2026 and VOID on September 3, 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.*