# Mendi App vs Upstep 3D Scan

The clearest difference is review sentiment: Mendi App at 76% against Upstep 3D Scan's 0%. Mendi App also leads on rating (4.4 vs 1.0) and ratings volume (460 vs 5). Upstep 3D Scan's advantage is monetization model (free vs paid). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mendi App holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: Mendi App has 460 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 76% of Mendi App's written reviews are positive against 0% of Upstep 3D Scan's.

Mendi App ships an update every 10 days, Upstep 3D Scan fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Mendi App | Upstep 3D Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (460 ratings)](https://appshunter.io/ios/app/mendi-app/id1548944912/reviews)** | [1.0 (5 ratings)](https://appshunter.io/ios/app/upstep-3d-scan/id6756356422/reviews) |
| Number of ratings | **460** | 5 |
| Positive reviews | **76.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Paid | **Free** |
| Size | 489 MB | 149 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mendi Innovations AB](https://appshunter.io/developer/1463276456) | [Shmuel Duan](https://appshunter.io/developer/1808721060) |

## What reviewers say

### Mendi App

[App page](https://appshunter.io/ios/app/mendi-app/id1548944912)

This app uses a connected headband with advanced neurofeedback technology to monitor brain activity. It provides scientifically-validated cognitive training designed to improve focus, memory, and emotional balance through personalized exercises.

**Highlights:** Advanced neurofeedback technology, Real-time brain activity insights, Scientifically-validated cognitive training, Boosts neuroplasticity, Comfortable and lightweight headband, Bluetooth connectivity

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for focus and mental health
- 🧠 Improves brain function
- 💤 Helps with sleep and relaxation
- 🤝 Positive impact on daily life

**What reviewers complain about**

- 🐛 App crashes and glitches
- 🔌 Connectivity issues with headband
- 📊 Lack of data/progress tracking
- 🕹️ Limited game/training options
- 🤒 Caused negative side effects for some users

**Reported bugs**

- App freezing and crashing
- Headband sensor issues
- Inconsistent score/progress tracking
- Orientation and display problems

**Requested features**

- More game/training variety
- Advanced data tracking and analytics
- iPad/tablet support
- Customization options for visuals and audio
- Integration with other health/fitness apps


### Upstep 3D Scan

[App page](https://appshunter.io/ios/app/upstep-3d-scan/id6756356422)

Transform your iPhone into a precision foot scanner to create custom orthotics. Capture a detailed 3D model of your feet from home in minutes, with guided instructions. Your scans are used by podiatrists to design and manufacture personalized orthotics.

**Highlights:** Precision 3D foot scanning with iPhone, Guided on-screen and voice instructions, Scan from home, no clinic visits, 3D preview of foot scans, Custom orthotics design and manufacturing, Works with iPhone camera only

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mendi App free?

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

### Is Upstep 3D Scan free?

Upstep 3D Scan is free to download, with no in-app purchases.

### Which has better reviews, Mendi App or Upstep 3D Scan?

Mendi App is rated higher. Mendi App averages 4.4 out of 5 from 460 ratings, while Upstep 3D Scan averages 1.0 from 5 ratings.

### Do Mendi App or Upstep 3D Scan have ads?

Neither Mendi App nor Upstep 3D Scan shows ads.

### Which is updated more often, Mendi App or Upstep 3D Scan?

Mendi App ships an update every 10 days, and Upstep 3D Scan fortnightly. Most recently, Mendi App was updated on October 29, 2026 and Upstep 3D Scan on October 28, 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.*