# Calda vs fazed.

The clearest difference is iOS requirement: fazed. at 15.1 against Calda's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Calda ships an update every 8 days, fazed. fortnightly. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Calda | fazed. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/fazed/id6768690720/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 7 MB | 49 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Michael Eakins](https://appshunter.io/developer/1890494224) | [Corina Suarez](https://appshunter.io/developer/1896596568) |

## What reviewers say

### 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 |


### fazed.

[App page](https://appshunter.io/ios/app/fazed/id6768690720)

This app helps women train smarter by aligning workouts with their hormonal cycle. It provides daily insights into energy, mood, and strength, offering personalized training programs and forecasts to optimize performance and well-being.

**Highlights:** Cycle phase tracking, Daily energy and mood check-ins, Personalized training programs, Performance forecasting, Progress tracking, Data export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fazed Premium Monthly | $7.99 | per month |
| Fazed Premium Yearly | $69.99 | per year |


## Frequently asked questions

### Is Calda free?

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

### Is fazed. free?

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

### Do Calda or fazed. have ads?

Neither Calda nor fazed. shows ads.

### Which is updated more often, Calda or fazed.?

Calda ships an update every 8 days, and fazed. fortnightly. Most recently, Calda was updated on October 25, 2026 and fazed. on October 13, 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.*