# BioDec vs FamSync

The clearest difference is review sentiment: FamSync at 100% against BioDec's 14%. FamSync also leads on price (Free vs $2.99) and rating (5.0 vs 1.0). BioDec's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume and device support there is nothing between them.

FamSync is free to download; BioDec costs $2.99 up front. FamSync sells 1 in-app purchase, starting at $0.99 per month. BioDec asks for nothing beyond the download.

FamSync holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 14% of BioDec's written reviews are positive against 100% of FamSync's.

BioDec ships an update every 5 weeks, FamSync every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BioDec | FamSync |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/biodec/id1030882188/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/famsync-custody-and-coparenting/id6780282462/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 14.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 48 MB | 208 MB |
| Requires iOS | **7.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Sergio Morillas](https://appshunter.io/developer/1030882187) | [Matteo Sardi](https://appshunter.io/developer/6780282464) |

## What reviewers say

### BioDec

[App page](https://appshunter.io/ios/app/biodec/id1030882188)

This app serves as a comprehensive guide to emotional health, helping users understand how their feelings impact their well-being. It provides insights into the biological meaning of illnesses and discomforts, offering advice and new mental models to address harmful patterns and emotions.

**Highlights:** Emotional health encyclopedia, Understand emotion-health connection, Biological meaning of illnesses, Advice for better living, New mental models, Therapies for harmful patterns

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

**In-app purchases:** none


### FamSync

[App page](https://appshunter.io/ios/app/famsync-custody-and-coparenting/id6780282462)

This app helps separated or divorced parents manage custody schedules, expenses, and communication in a neutral, secure environment. It offers features like a custody calendar, expense tracking with receipt scanning, and court-ready reports to reduce conflict and improve clarity.

**Highlights:** Custody calendar with custom schedules, Overnight tracker, Formal schedule swap requests, Shared expenses with OCR receipt scanner, Court-ready PDF reports, Protected messaging, Secure document vault

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free | $0.99 | per month |


## Frequently asked questions

### Is BioDec free?

BioDec costs $2.99, with no in-app purchases.

### Is FamSync free?

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

### Which has better reviews, BioDec or FamSync?

FamSync is rated higher. BioDec averages 1.0 out of 5 from 1 ratings, while FamSync averages 5.0 from 2 ratings.

### Do BioDec or FamSync have ads?

FamSync shows ads; BioDec does not.

### Which is updated more often, BioDec or FamSync?

BioDec ships an update every 5 weeks, and FamSync every 2 days. Most recently, BioDec was updated on November 1, 2026 and FamSync 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.*