# 6ID vs Formula Sift

The clearest difference is in-app purchases: 6ID at none against Formula Sift's 3. 6ID also leads on iOS requirement (13.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Formula Sift sells 3 in-app purchases, starting at $2.99 per month. 6ID asks for nothing beyond the download.

6ID ships an update every 9 days, Formula Sift every 5 days. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 6ID | Formula Sift |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/6id/id6753762933/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 96 MB | 7 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Yury Gizatullin](https://appshunter.io/developer/1844871015) | [占辉 百](https://appshunter.io/developer/1081455103) |

## What reviewers say

### 6ID

[App page](https://appshunter.io/ios/app/6id/id6753762933)

Analyze your beauty products by scanning them to understand ingredients, safety, and compatibility. Organize your collection, track active ingredients, and receive personalized recommendations for a smarter beauty routine.

**Highlights:** AI Beauty Scanner, INCI ingredient analysis, Product compatibility checker, Digital beauty bag, Active ingredient tracking, Personalized recommendations, Product authenticity verification

**In-app purchases:** none


### Formula Sift

[App page](https://appshunter.io/ios/app/formula-sift-ingredient-check/id6766007677)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Membership | $2.99 | per month |
| Yearly Premium Membership | $9.99 | per year |
| Lifetime Premium | $17.99 | one-time |


## Frequently asked questions

### Is 6ID free?

6ID is free to download, with no in-app purchases.

### Is Formula Sift free?

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

### Do 6ID or Formula Sift have ads?

Neither 6ID nor Formula Sift shows ads.

### Which is updated more often, 6ID or Formula Sift?

6ID ships an update every 9 days, and Formula Sift every 5 days. Most recently, 6ID was updated on October 22, 2026 and Formula Sift on October 20, 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.*