# Stabilize vs Calda

The clearest difference is ads: Calda at none against Stabilize's shown. Stabilize's advantage is iOS requirement (15.1 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Stabilize sells 8 in-app purchases, starting at $7.99 per 7 days and Calda sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Stabilize ships an update weekly, Calda every 5 days. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Stabilize | Calda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/stabilize-menopause-tracker/id6756078202/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 112 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [8 O'Clock, LLC](https://appshunter.io/developer/1858311290) | [Michael Eakins](https://appshunter.io/developer/1890494224) |

## What reviewers say

### Stabilize

[App page](https://appshunter.io/ios/app/stabilize-menopause-tracker/id6756078202)

Track hormone replacement therapy (HRT) for menopause and perimenopause. Log medication doses, symptoms with severity, and generate reports for your doctor. Designed for privacy with no account required.

**Highlights:** HRT regimen tracking (patches, pills, gels, injections), Continuous, intermittent, and cyclic progesterone schedules, Log doses taken and missed, Daily symptom logging with severity, Custom symptom addition, Printable reports for doctors, Private data storage via iCloud

**Features:** Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stabilize Membership (Weekly) | $7.99 | per 7 days |
| Stabilize Monthly | $14.99 | per month |
| Stabilize Pro - 3 Months | $24.99 | per 3 months |
| Stabilize Annual + Trial | $49.99 | per year |
| Stabilize Annual + Trial | $49.99 | per year |
| Stabilize Annual | $49.99 | per year |
| Stabilize Family Plan | $69.99 | per year |
| Stabilize Family Plan | $69.99 | per year |


### Calda

[App page](https://appshunter.io/ios/app/calda/id6762153966)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calda Premium Monthly | $4.99 | per month |
| Calda Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Stabilize free?

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

### Is Calda free?

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

### Do Stabilize or Calda have ads?

Stabilize shows ads; Calda does not.

### Which is updated more often, Stabilize or Calda?

Stabilize ships an update weekly, and Calda every 5 days. Most recently, Stabilize was updated on October 8, 2026 and Calda on October 17, 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.*