# Skin Motion vs DoKnotForget

The clearest difference is review sentiment: DoKnotForget at 100% against Skin Motion's 50%. DoKnotForget also leads on rating (5.0 vs 3.2) and ads (none vs shown). Skin Motion's advantage is in-app purchases (none vs 1) and ratings volume (58 vs 2). On price, monetization model and device support there is nothing between them.

Both are free to download. DoKnotForget sells 1 one-off in-app purchase. Skin Motion asks for nothing beyond the download.

DoKnotForget holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: Skin Motion has 58 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Skin Motion's written reviews are positive against 100% of DoKnotForget's.

Skin Motion ships an update every 3 weeks, DoKnotForget every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Skin Motion | DoKnotForget |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.2 (58 ratings)](https://appshunter.io/ios/app/skin-motion/id1255007214/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/doknotforget/id6760620237/reviews)** |
| Number of ratings | **58** | 2 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 144 MB | 9 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [skinmotion](https://appshunter.io/developer/1255007213) | [Jessica Downes](https://appshunter.io/developer/1827136479) |

## What reviewers say

### Skin Motion

[App page](https://appshunter.io/ios/app/skin-motion/id1255007214)

Transform any sound into a unique tattoo that can be played back using augmented reality. Upload your audio and find licensed artists to create your personalized Soundwave Tattoo.

**Highlights:** Create soundwave tattoos, Play tattoos with AR, Upload custom sounds, Find licensed tattoo artists, Share on social media

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 Skin Motion free?

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

### Is DoKnotForget free?

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

### Which has better reviews, Skin Motion or DoKnotForget?

DoKnotForget is rated higher. Skin Motion averages 3.2 out of 5 from 58 ratings, while DoKnotForget averages 5.0 from 2 ratings.

### Do Skin Motion or DoKnotForget have ads?

Skin Motion shows ads; DoKnotForget does not.

### Which is updated more often, Skin Motion or DoKnotForget?

Skin Motion ships an update every 3 weeks, and DoKnotForget every 2 months. Most recently, Skin Motion was updated on October 24, 2026 and DoKnotForget on October 24, 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.*