# Supplement Scanner vs DoKnotForget

The clearest difference is review sentiment: DoKnotForget at 100% against Supplement Scanner's 25%. DoKnotForget also leads on rating (5.0 vs 4.6) and device support (3 vs 1). Supplement Scanner's advantage is update cadence (every 9 days vs every 2 months) and ratings volume (264 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Supplement Scanner sells 10 in-app purchases, starting at $6.99 per 7 days and DoKnotForget sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

DoKnotForget holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Supplement Scanner has 264 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Supplement Scanner's written reviews are positive against 100% of DoKnotForget's.

Supplement Scanner ships an update every 9 days, DoKnotForget every 2 months. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Supplement Scanner | DoKnotForget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (264 ratings)](https://appshunter.io/ios/app/supplement-scanner-insup/id6752767712/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/doknotforget/id6760620237/reviews)** |
| Number of ratings | **264** | 2 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 116 MB | 9 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AIBY](https://appshunter.io/developer/1458102137) | [Jessica Downes](https://appshunter.io/developer/1827136479) |

## 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 |


### DoKnotForget

[App page](https://appshunter.io/ios/app/doknotforget/id6760620237)

Never miss an important date again. This app helps you remember birthdays, holidays, and other meaningful moments for the people you care about. It offers simple, thoughtful reminders to ensure you show up when it counts.

**Highlights:** Personalized reminders, Birthday tracking, Holiday notifications, Meaningful moment alerts, Simple setup, Clutter-free interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | one-time |


## Frequently asked questions

### Is Supplement Scanner free?

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

### Is DoKnotForget free?

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

### Which has better reviews, Supplement Scanner or DoKnotForget?

DoKnotForget is rated higher. Supplement Scanner averages 4.6 out of 5 from 264 ratings, while DoKnotForget averages 5.0 from 2 ratings.

### Do Supplement Scanner or DoKnotForget have ads?

Neither Supplement Scanner nor DoKnotForget shows ads.

### Which is updated more often, Supplement Scanner or DoKnotForget?

Supplement Scanner ships an update every 9 days, and DoKnotForget every 2 months. Most recently, Supplement Scanner was updated on November 8, 2026 and DoKnotForget on October 31, 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.*