# Bio vs Relationship Vibe Check

The clearest difference is price: Bio at Free against Relationship Vibe Check's $9.99. Relationship Vibe Check's advantage is update cadence (weekly vs every 6 months) and iOS requirement (12.4 vs 17.5). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Bio is free to download; Relationship Vibe Check costs $9.99 up front. Bio sells 3 one-off in-app purchases and Relationship Vibe Check sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bio ships an update every 6 months, Relationship Vibe Check weekly. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bio | Relationship Vibe Check |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bio-compatibility-analysis/id566991076/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 34 MB |
| Requires iOS | 17.5 | **12.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Biological Immunity Research Institute](https://appshunter.io/developer/566991079) | [GERTRUD KERTESZ](https://appshunter.io/developer/1678764259) |

## What reviewers say

### Bio

[App page](https://appshunter.io/ios/app/bio-compatibility-analysis/id566991076)

Discover deeper connections by analyzing your birth date for physical, mental, and emotional compatibility with others. This tool helps you understand relationship dynamics and find more fulfilling partnerships.

**Highlights:** Birth date compatibility analysis, Physical compatibility assessment, Mental compatibility assessment, Emotional compatibility assessment, Relationship insight tool

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Credit | $1.99 | one-time |
| 5 Credits | $3.99 | one-time |
| 10 Credits | $4.99 | one-time |


### Relationship Vibe Check

[App page](https://appshunter.io/ios/app/relationship-vibe-check/id6477547390)

Enhance your relationship with tools designed for couples to improve communication and alignment. Features include a vibe rating, love language notifications, and a shared goals vision board. Build the relationship of your dreams together.

**Highlights:** Weekly vibe check-ins, Automated love language notifications, Shared goals vision board, Mutual values list, Relationship dashboard

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One-time payment | $9.00 | one-time |


## Frequently asked questions

### Is Bio free?

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

### Is Relationship Vibe Check free?

Relationship Vibe Check costs $9.99, and also offers in-app purchases.

### Do Bio or Relationship Vibe Check have ads?

Neither Bio nor Relationship Vibe Check shows ads.

### Which is updated more often, Bio or Relationship Vibe Check?

Bio ships an update every 6 months, and Relationship Vibe Check weekly. Most recently, Bio was updated on October 17, 2026 and Relationship Vibe Check on October 8, 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.*