# mjn vs Sophie

The clearest difference is in-app purchases: mjn at none against Sophie's 3. Sophie's advantage is update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sophie sells 3 in-app purchases, starting at $9.99 per month. mjn asks for nothing beyond the download.

mjn ships an update monthly, Sophie every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | mjn | Sophie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/sophie-cycle-intelligence/id6760521273/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Subscription |
| Size | 103 MB | 150 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [mjn-neuro](https://appshunter.io/developer/1698320177) | [PredictHer LLC](https://appshunter.io/developer/1884726429) |

## What reviewers say

### mjn

[App page](https://appshunter.io/ios/app/mjn-seras/id6451445442)

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

**In-app purchases:** none


### Sophie

[App page](https://appshunter.io/ios/app/sophie-cycle-intelligence/id6760521273)

This app uses your body temperature data from smart wearables to accurately track your ovulation and cycle. It provides personalized insights, answers your questions with AI, and can share information with a partner. It prioritizes data privacy and honesty, informing you when data is unclear.

**Highlights:** Ovulation confirmation via temperature data, Personalized luteal phase measurement, AI companion for cycle insights, Smart ring and watch integration, Partner sharing options, Data privacy focused

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Monthly | $9.99 | per month |
| Premium - Annual | $59.99 | per year |
| 30 Sophie Voice Minutes | $4.99 | one-time |


## Frequently asked questions

### Is mjn free?

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

### Is Sophie free?

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

### Do mjn or Sophie have ads?

Neither mjn nor Sophie shows ads.

### Which is updated more often, mjn or Sophie?

mjn ships an update monthly, and Sophie every 2 days. Most recently, mjn was updated on November 7, 2026 and Sophie on November 9, 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.*