# AI Skin Tracker vs Trigger

The clearest difference is update cadence: AI Skin Tracker at every 3 days against Trigger's weekly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AI Skin Tracker sells 3 in-app purchases, starting at $6.99 per month and Trigger sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

AI Skin Tracker ships an update every 3 days, Trigger weekly. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | AI Skin Tracker | Trigger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 51 MB | 49 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Nav Star Software Studios Inc.](https://appshunter.io/developer/1874509373) | [Surya Palsam](https://appshunter.io/developer/6787020117) |

## What reviewers say

### AI Skin Tracker

[App page](https://appshunter.io/ios/app/ai-skin-tracker/id6758694914)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Annual | $44.99 | per year |
| Lifetime Access | $79.99 | one-time |


### Trigger

[App page](https://appshunter.io/ios/app/trigger-skin-tracker/id6787020115)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trigger Pro Monthly | $6.99 | per month |
| Trigger Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is AI Skin Tracker free?

AI Skin Tracker is free to download, with in-app purchases available.

### Is Trigger free?

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

### Do AI Skin Tracker or Trigger have ads?

Neither AI Skin Tracker nor Trigger shows ads.

### Which is updated more often, AI Skin Tracker or Trigger?

AI Skin Tracker ships an update every 3 days, and Trigger weekly. Most recently, AI Skin Tracker was updated on September 11, 2026 and Trigger on September 19, 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.*