# Tatwametro vs Bio

The clearest difference is price: Bio at $1.99 against Tatwametro's $4.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Tatwametro costs $4.99 and Bio $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Tatwametro | Bio |
| --- | --- | --- |
| Price | $4.99 | **$1.99** |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Paid | — |
| Size | 86 MB | 3 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Carlos Enrique Clavijo Schmiedl](https://appshunter.io/developer/1615231449) | [Guoqing Yin](https://appshunter.io/developer/1789146678) |

## What reviewers say

### Tatwametro

[App page](https://appshunter.io/ios/app/tatwametro/id1615231447)

Explore the universe and the fundamental frequencies of existence. Understand how cosmic vibrations shape reality and gain insights into celestial rhythms. Discover the secrets of the ether and the Sun's influence on our world.

**Highlights:** Explore visible and invisible Universe, Unravel mysteries of the ether, Understand fundamental frequencies (Tatwas), Witness Sun's energy journey, Analyze ray zig-zag length for potential, Pinpoint precise moments in time

**Features:** Vision Pro support

**In-app purchases:** none


### Bio

[App page](https://appshunter.io/ios/app/bio-pc/id6740243992)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tatwametro free?

Tatwametro costs $4.99, with no in-app purchases.

### Is Bio free?

Bio costs $1.99, with no in-app purchases.

### Do Tatwametro or Bio have ads?

Neither Tatwametro nor Bio shows ads.

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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.*