# Mentor Breast Simulator vs Ember

The clearest difference is rating: Ember at 4.6 against Mentor Breast Simulator's 3.9. Ember also leads on update cadence (weekly vs every 3 weeks) and review sentiment (52% vs 38%). Mentor Breast Simulator's advantage is in-app purchases (none vs 15) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Ember sells 15 in-app purchases, starting at $14.99 per month. Mentor Breast Simulator asks for nothing beyond the download.

Ember holds the better App Store score, 4.6 against 3.9. Both are backed by a comparable volume of ratings — 149 and 710 respectively. Written reviews point the same way: 38% of Mentor Breast Simulator's written reviews are positive against 52% of Ember's.

Mentor Breast Simulator ships an update every 3 weeks, Ember weekly. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mentor Breast Simulator | Ember |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (149 ratings)](https://appshunter.io/ios/app/mentor-breast-simulator/id6503239134/reviews) | **[4.6 (710 ratings)](https://appshunter.io/ios/app/ember-for-couples/id6744977130/reviews)** |
| Number of ratings | 149 | **710** |
| Positive reviews | 37.5% of reviews | **51.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | **Ad-supported** | Subscription |
| Size | 790 MB | 171 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Arbrea Labs](https://appshunter.io/developer/1476200651) | [Ember Couples Ltd](https://appshunter.io/developer/1810271790) |

## What reviewers say

### Mentor Breast Simulator

[App page](https://appshunter.io/ios/app/mentor-breast-simulator/id6503239134)

Visualize different breast implant sizes and shapes in 3D augmented reality. Make informed decisions about your desired look with real-time simulations. All your images are stored securely on your phone.

**Highlights:** 3D Augmented Reality Simulation, Visualize implant sizes and shapes, Real-time visualization, Informed decision-making, Secure on-device image storage

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 💡 Great visualization tool
- 💡 Realistic simulation
- 💡 Innovative technology
- 👍 Helpful for surgery planning

**What reviewers complain about**

- 🐛 App crashes frequently
- 🐛 Freezes and doesn't work
- 🐛 Photos not processed
- 🐛 Camera function difficult
- 🐛 Results look like bad photoshop

**Reported bugs**

- App crashes after taking photos
- App crashes when processing simulator
- App crashes when taking pictures
- App crashes before taking picture
- App crashes between 1st and 3rd picture

**Requested features**

- Allow users to change CC size
- Increase CC size options
- Allow breast lifting simulation
- Provide more realistic sizing/CC information


### Ember

[App page](https://appshunter.io/ios/app/ember-for-couples/id6744977130)

This app provides AI-powered coaching to help couples improve communication and connection. It offers tools for analyzing conversations, daily prompts for connection, and research-backed plans for relationship growth. Designed for proactive relationship care.

**Highlights:** AI couples coaching sessions, Real-time argument analysis, Daily conversation prompts, Research-backed relationship plans, Text communication analysis, Relationship style quiz

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

**In-app purchases (15)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| Monthly | $14.99 | per month |
| Full Access - Monthly | $19.99 | per month |
| Monthly | $19.99 | per month |
| Full Access - Monthly | $24.99 | per month |
| Full Access - Quarterly | $44.99 | per 3 months |
| Quarterly | $44.99 | per 3 months |
| Full Access - Quarterly | $54.99 | per 3 months |
| Annual | $59.99 | per year |
| Yearly | $59.99 | per year |
| Full Access - Yearly | $109.99 | per year |
| Yearly | $154.99 | per year |
| Full Access - Yearly | $167.99 | per year |
| 1 Hour of conversation credits | $19.99 | one-time |
| 10 hours of conversation credits | $109.99 | one-time |

**What reviewers like**

- 🤖 Helpful AI coach
- 👍 Positive and encouraging feedback
- 💬 Improved communication with difficult contacts
- 🤝 Felt like talking to a friend

**What reviewers complain about**

- 🕰️ Strict time window for message exchange
- 🚫 Not suitable for busy/entrepreneurial people
- 🤔 Promotes unhealthy attachment styles

**Reported bugs**

- AI coach sometimes fails to understand context
- App can feel repetitive and impersonal

**Requested features**

- Upload feature to share files/images
- More customization options


## Frequently asked questions

### Is Mentor Breast Simulator free?

Mentor Breast Simulator is free to download, with no in-app purchases.

### Is Ember free?

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

### Which has better reviews, Mentor Breast Simulator or Ember?

Ember is rated higher. Mentor Breast Simulator averages 3.9 out of 5 from 149 ratings, while Ember averages 4.6 from 710 ratings.

### Do Mentor Breast Simulator or Ember have ads?

Ember shows ads; Mentor Breast Simulator does not.

### Which is updated more often, Mentor Breast Simulator or Ember?

Mentor Breast Simulator ships an update every 3 weeks, and Ember weekly. Most recently, Mentor Breast Simulator was updated on October 17, 2026 and Ember on October 19, 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.*