# ONA vs Trigenus

The clearest difference is in-app purchases: Trigenus at none against ONA's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ONA sells 3 in-app purchases, starting at $0.99 per 7 days. Trigenus asks for nothing beyond the download.

ONA ships an update every 5 weeks, Trigenus every 6 weeks. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | ONA | Trigenus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/ona-hypnobirthing-app/id1564432780/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 29 MB |
| Requires iOS | **13.0** | 13.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Paula Ripol Meya](https://appshunter.io/developer/1564432782) | [TRIGENUS S.A.S.](https://appshunter.io/developer/1705490698) |

## What reviewers say

### ONA

[App page](https://appshunter.io/ios/app/ona-hypnobirthing-app/id1564432780)

This app assists with labor by tracking contractions, guiding breathing techniques, and offering relaxation audio. It helps users monitor labor progress and stay calm during childbirth. Birth partners can also use it to track labor from multiple devices.

**Highlights:** Contraction (surge) tracking, Guided breathing techniques, Relaxation and affirmation audio, Labor progress visualization, Personalized audio selection, Multi-device login for partners

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ONA® Weekly Subscription | $0.99 | per 7 days |
| ONA® Weekly Subscription | $2.99 | per month |
| ONA® Weekly Subscription | $8.99 | per year |


### Trigenus

[App page](https://appshunter.io/ios/app/trigenus/id6464096737)

**In-app purchases:** none


## Frequently asked questions

### Is ONA free?

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

### Is Trigenus free?

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

### Do ONA or Trigenus have ads?

Neither ONA nor Trigenus shows ads.

### Which is updated more often, ONA or Trigenus?

ONA ships an update every 5 weeks, and Trigenus every 6 weeks. Most recently, ONA was updated on November 3, 2026 and Trigenus on October 27, 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.*