# 想瘦Life vs HitFast

The clearest difference is update cadence: HitFast at every 4 days against 想瘦Life's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 想瘦Life sells 11 in-app purchases, starting at $1.99 per month and HitFast sells 12 in-app purchases, starting at $6.49 per month. Whichever you choose, the download price is not the number that matters.

想瘦Life ships an update fortnightly, HitFast every 4 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 想瘦Life | HitFast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hitfast-fasting-tracker-and-diet/id6469616735/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 53.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 69 MB | 102 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Beijing Haoxin Technology Co., Ltd.](https://appshunter.io/developer/1489694807) | [The Wind Technology Co., Ltd.](https://appshunter.io/developer/1702632237) |

## What reviewers say

### 想瘦Life

[App page](https://appshunter.io/ios/app/life/id6451237881)

**Features:** macOS Compatibility

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $1.99 | per month |
| 包月会员 | $2.99 | per month |
| 年卡会员 | $3.99 | per year |
| 包月会员 | $3.99 | per month |
| 年卡会员 | $5.99 | per year |
| 年卡会员 | $5.99 | per year |
| 年卡会员 | $7.99 | per year |
| 年卡会员 | $9.99 | per year |
| 包年会员 | $12.99 | per year |
| 永久会员 | $8.99 | one-time |
| 永久会员 | $14.99 | one-time |


### HitFast

[App page](https://appshunter.io/ios/app/hitfast-fasting-tracker-and-diet/id6469616735)

This app helps you achieve sustainable weight loss through intermittent fasting. It offers tools to track your fasting periods, monitor body status, and log water intake. Access healthy recipes and expert guidance to support your journey.

**Highlights:** Fasting Timer, Fasting Tracker, Body Status Tracking, Water Tracker & Reminders, Healthy Recipes, Calendar Reminders

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS monthly | $6.49 | per month |
| PLUS monthly | $9.99 | per month |
| PLUS yearly | $16.49 | per year |
| PLUS yearly | $24.99 | per year |
| PLUS yearly | $24.99 | per year |
| PLUS monthly | $4.99 | one-time |
| PLUS monthly | $6.49 | one-time |
| PLUS monthly | $9.99 | one-time |
| PLUS yearly | $12.49 | one-time |
| PLUS yearly | $16.49 | one-time |
| PLUS yearly | $24.99 | one-time |
| PLUS life member | $39.99 | one-time |


## Frequently asked questions

### Is 想瘦Life free?

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

### Is HitFast free?

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

### Do 想瘦Life or HitFast have ads?

Both 想瘦Life and HitFast show ads.

### Which is updated more often, 想瘦Life or HitFast?

想瘦Life ships an update fortnightly, and HitFast every 4 days. Most recently, 想瘦Life was updated on October 19, 2026 and HitFast on October 24, 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.*