# CHANUO vs Inject

The clearest difference is in-app purchases: CHANUO at none against Inject's 13. CHANUO also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). Inject's advantage is update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. Inject sells 11 in-app purchases, starting at $5.99 per month. CHANUO asks for nothing beyond the download.

CHANUO ships an update monthly, Inject every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CHANUO | Inject |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (19 ratings)](https://appshunter.io/ios/app/inject-glp-1-tracker/id6755748674/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | — | 48.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 232 MB | 87 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +17 |
| Developer | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### CHANUO

[App page](https://appshunter.io/ios/app/chanuo/id6751128735)

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

**In-app purchases:** none


### Inject

[App page](https://appshunter.io/ios/app/inject-glp-1-tracker/id6755748674)

Track your GLP-1 medication injections, monitor weight loss, and log daily intake. Visualize your progress with charts and analytics to support your health journey.

**Highlights:** Log GLP-1 medication injections, Track weight loss progress, Monitor protein and water intake, Visualize progress with charts, Record medication side effects, Companion for health apps

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $5.99 | per month |
| Monthly Access | $9.99 | per month |
| Weekly Access | $9.99 | per 7 days |
| Anual Access | $14.99 | per year |
| Anual Access | $29.99 | per year |
| Anual Access | $29.99 | per year |
| Monthly Access | $34.99 | per month |
| Anual Access | $49.99 | per year |
| Anual Access | $49.99 | per year |
| Semiannual Access | $99.99 | per 6 months |
| Semiannual Access | $99.99 | per 6 months |


## Frequently asked questions

### Is CHANUO free?

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

### Is Inject free?

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

### Do CHANUO or Inject have ads?

Inject shows ads; CHANUO does not.

### Which is updated more often, CHANUO or Inject?

CHANUO ships an update monthly, and Inject every 5 days. Most recently, CHANUO was updated on October 25, 2026 and Inject 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.*