# Supplement Scanner vs KnoWHO

The clearest difference is review sentiment: KnoWHO at 100% against Supplement Scanner's 25%. KnoWHO also leads on in-app purchases (none vs 10) and iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Supplement Scanner sells 10 in-app purchases, starting at $6.99 per 7 days. KnoWHO asks for nothing beyond the download.

## The numbers

| Metric | Supplement Scanner | KnoWHO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (262 ratings)](https://appshunter.io/ios/app/supplement-scanner-insup/id6752767712/reviews)** | — |
| Number of ratings | **262** | — |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Freemium | **Free** |
| Size | 116 MB | 45 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AIBY](https://appshunter.io/developer/1458102137) | [Jessica Cheetham](https://appshunter.io/developer/1884284345) |

## What reviewers say

### Supplement Scanner

[App page](https://appshunter.io/ios/app/supplement-scanner-insup/id6752767712)

Scan supplement labels with your phone to get instant safety and effectiveness scores. Understand ingredients, benefits, and drawbacks with unbiased, AI-powered insights and curated product lists. Make informed choices and avoid wasted money.

**Highlights:** Instant safety and effectiveness scores, AI-powered ingredient analysis, Unbiased, fact-based data, Curated top-rated product lists, AI Expert for ingredient questions, Learning hub for supplement facts

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Weekly Premium | $6.99 | per 7 days |
| Weekly Premium with free trial | $9.99 | per 7 days |
| Weekly Premium | $9.99 | per 7 days |
| 3-Months Subscription | $29.99 | per 3 months |
| Yearly premium access | $29.99 | per year |
| Yearly premium access | $39.99 | per year |
| Yearly premium access | $49.99 | per year |
| Yearly premium access | $69.99 | per year |
| Lifetime Premium | $299.99 | one-time |


### KnoWHO

[App page](https://appshunter.io/ios/app/knowho-remember-everyone/id6779454284)

Effortlessly remember everyone you meet by quickly adding contact details and personal notes. Organize people into custom circles and instantly find anyone with a powerful search function. Never forget a name or a detail again.

**Highlights:** Add contacts by voice, Organize people into custom circles, Remember personal details and notes, Instant search by name, role, or tag, Categorize contacts by life events

**In-app purchases:** none


## Frequently asked questions

### Is Supplement Scanner free?

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

### Is KnoWHO free?

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

### Do Supplement Scanner or KnoWHO have ads?

Neither Supplement Scanner nor KnoWHO shows ads.

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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.*