# Link Fit vs CarbFlow

The clearest difference is in-app purchases: CarbFlow at none against Link Fit's 9. Link Fit's advantage is device support (3 vs 1) and iOS requirement (16 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Link Fit sells 9 in-app purchases, starting at $1.99 per month. CarbFlow asks for nothing beyond the download.

Link Fit ships an update every 2 days, CarbFlow every 3 days. The most recent releases landed on October 15, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Link Fit | CarbFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 39 MB | 6 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [成都铭宇泽科技有限公司](https://appshunter.io/developer/1805783136) | [嘉琪 郑](https://appshunter.io/developer/1892992542) |

## What reviewers say

### Link Fit

[App page](https://appshunter.io/ios/app/link-fit/id6744054592)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 超能力宝 | $1.99 | per month |
| 超能力宝 | $4.99 | per 3 months |
| 超能力宝 | $17.99 | per year |
| 200 Credits | $0.99 | one-time |
| 1000 Credits | $1.99 | one-time |
| Super Power Monthly | $1.99 | one-time |
| Super Power Quarterly | $5.99 | one-time |
| 5000 Credits | $9.99 | one-time |
| Super Power Annual | $22.99 | one-time |


### CarbFlow

[App page](https://appshunter.io/ios/app/carbflow/id6762150519)

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

**In-app purchases:** none


## Frequently asked questions

### Is Link Fit free?

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

### Is CarbFlow free?

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

### Do Link Fit or CarbFlow have ads?

Neither Link Fit nor CarbFlow shows ads.

### Which is updated more often, Link Fit or CarbFlow?

Link Fit ships an update every 2 days, and CarbFlow every 3 days. Most recently, Link Fit was updated on October 15, 2026 and CarbFlow on October 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.*