# CodonRX vs Spirit Stretch

The clearest difference is update cadence: CodonRX at every 3 weeks against Spirit Stretch's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CodonRX ships an update every 3 weeks, Spirit Stretch every 11 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CodonRX | Spirit Stretch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/codonrx/id6465990181/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 43 MB | 31 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Provaxus](https://appshunter.io/developer/1706820907) | [Spirit Stretch Pte Ltd](https://appshunter.io/developer/1732433487) |

## What reviewers say

### CodonRX

[App page](https://appshunter.io/ios/app/codonrx/id6465990181)

This app helps users understand their digestive health by tracking symptoms, mood, and intake. It provides dosage reminders for a specific probiotic and visualizes progress over time. Designed as a companion to a scientifically advanced probiotic, it aims to empower users in managing their gut wellness.

**Highlights:** Symptom, mood, and intake logging, Probiotic dosage reminders, Progress visualization, Daily tracking, Insightful feedback on body response

**Features:** macOS Compatibility

**In-app purchases:** none


### Spirit Stretch

[App page](https://appshunter.io/ios/app/spirit-stretch/id6478287109)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CodonRX free?

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

### Is Spirit Stretch free?

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

### Do CodonRX or Spirit Stretch have ads?

Neither CodonRX nor Spirit Stretch shows ads.

### Which is updated more often, CodonRX or Spirit Stretch?

CodonRX ships an update every 3 weeks, and Spirit Stretch every 11 months. Most recently, CodonRX was updated on October 13, 2026 and Spirit Stretch on October 9, 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.*