# Hormones Guide... vs DNA Viewer

The clearest difference is price: Hormones Guide... at Free against DNA Viewer's $4.99. DNA Viewer's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Hormones Guide... is free to download; DNA Viewer costs $4.99 up front. Hormones Guide... sells 2 in-app purchases, starting at $2.99 per month. DNA Viewer asks for nothing beyond the download.

Hormones Guide... ships an update every 2 weeks, DNA Viewer every 2 days. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Hormones Guide... | DNA Viewer |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 157 MB | 4 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Olga Ivanova](https://appshunter.io/developer/1733570435) | [JONG HYUN LEE](https://appshunter.io/developer/1739037759) |

## What reviewers say

### Hormones Guide...

[App page](https://appshunter.io/ios/app/hormones-guide/id6739848653)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription | $2.99 | per month |
| Sponsorship (donation) | $1.99 | one-time |


### DNA Viewer

[App page](https://appshunter.io/ios/app/dna-viewer/id6754238579)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hormones Guide... free?

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

### Is DNA Viewer free?

DNA Viewer costs $4.99, with no in-app purchases.

### Do Hormones Guide... or DNA Viewer have ads?

Hormones Guide... shows ads; DNA Viewer does not.

### Which is updated more often, Hormones Guide... or DNA Viewer?

Hormones Guide... ships an update every 2 weeks, and DNA Viewer every 2 days. Most recently, Hormones Guide... was updated on September 30, 2026 and DNA Viewer on October 6, 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.*