# SkinStack — Smart Skincare Layering

> Smart Skincare Layering (iPhone/iPad app by 贺 周.)

- Source: https://appshunter.io/ios/app/skinstack/id6763434879 (this page in markdown: same URL + `.md`)
- Developer: [贺 周](https://appshunter.io/developer/1815397078)
- Category: Utilities, Health & Fitness
- Price: Free with in-app purchases
- Age rating: 9+
- Requires: iOS 17 · 1 MB
- Languages: American English
- Released: 2026-04-27
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/skinstack/id6763434879/reviews.md

## What is SkinStack?

Stop guessing which products work together. SkinStack builds your perfect skincare routine and warns you about ingredient conflicts before they cause breakouts.

BUILD SMART ROUTINES
- Add your skincare products with ingredients
- Get automatically sorted AM/PM routines based on texture and category
- Know the correct layering order: water-based first, heavy creams last

DETECT INGREDIENT CONFLICTS
- Retinol + AHA = irritation? We'll warn you
- Vitamin C + Niacinamide = safe? We'll confirm it
- 20+ built-in conflict rules covering common ingredients
- Avoid-level (never mix) and caution-level (use carefully) warnings
- Synergistic pair detection (ingredients that work better together)

SCAN INGREDIENT LABELS (PRO)
- Point your camera at any product label
- Vision OCR automatically reads and parses ingredients
- Add scanned ingredients to your products instantly

WAIT-TIME TIMER (PRO)
- Know exactly how long to wait between products
- Different wait times for different textures (60s for serums, 5min for oils)
- Push notification when it's time for the next step

SKIN JOURNAL (PRO)
- Track your skin condition daily with emoji ratings
- Log concerns like breakouts, dryness, redness
- See your skin improvement trend over time
- Connect products used to skin condition changes

ONE-TIME PURCHASE, NO SUBSCRIPTION
- Free: 3 products, basic conflict detection
- Pro: $4.99 one-time — unlimited products, scanner, timer, journal
- No recurring charges. Ever.

WHY SKINSTACK?
- 100% offline — your data stays on your device
- No accounts, no tracking, no analytics
- Built by skincare enthusiasts who got tired of guessing
- One-time purchase beats monthly subscriptions

Your skincare routine should work for you, not against you. Download SkinStack and start building smarter routines today.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| SkinStack Pro | $4.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-04-28

No release notes.

## More apps by 贺 周

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- [Scientific math Calculator](https://appshunter.io/ios/app/scientific-math-calculator/id6759213986)
- [bingotimer](https://appshunter.io/ios/app/bingotimer/id6759560391)
- [filefinder pro](https://appshunter.io/ios/app/filefinder-pro/id6759831480)
- [FamHero](https://appshunter.io/ios/app/famhero/id6760260869)
- [Pawell](https://appshunter.io/ios/app/pawell/id6760383565)

All apps by 贺 周: https://appshunter.io/developer/1815397078

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*