# Fastelle vs Fasted Harmony

Fastelle and Fasted Harmony are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Fastelle sells 2 in-app purchases, starting at $5.99 per month and Fasted Harmony sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Fastelle ships an update every 6 days, Fasted Harmony every 10 days. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fastelle | Fasted Harmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fasted-harmony-cycle-syncing/id6763795183/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 10 days |
| Monetization | — | Freemium |
| Size | 53 MB | 134 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [ADIKARI APPUHAMILAGE ADIKARI](https://appshunter.io/developer/1873056532) | [Larvotto Ventures LLC](https://appshunter.io/developer/1892090570) |

## What reviewers say

### Fastelle

[App page](https://appshunter.io/ios/app/fastelle-intermittent-fasting/id6761251268)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fastelle Pro Monthly | $5.99 | per month |
| Fastelle Pro Yearly | $39.99 | per year |


### Fasted Harmony

[App page](https://appshunter.io/ios/app/fasted-harmony-cycle-syncing/id6763795183)

This app syncs intermittent fasting windows with your menstrual cycle, optimizing fasting times based on hormonal phases. It offers cycle tracking, symptom logging, and AI-powered guidance to help you fast smarter and achieve better results.

**Highlights:** Phase-specific fasting windows (12-18 hrs), Smart cycle tracking with predictions, AI Hormone Coach for personalized guidance, Symptom, mood, and energy logging, Weight trends overlaid on cycle phases, CSV data export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $45.99 | per year |


## Frequently asked questions

### Is Fastelle free?

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

### Is Fasted Harmony free?

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

### Do Fastelle or Fasted Harmony have ads?

Neither Fastelle nor Fasted Harmony shows ads.

### Which is updated more often, Fastelle or Fasted Harmony?

Fastelle ships an update every 6 days, and Fasted Harmony every 10 days. Most recently, Fastelle was updated on October 17, 2026 and Fasted Harmony on October 24, 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.*