# CycleFasting vs Flow Fasting Tracker

The clearest difference is update cadence: CycleFasting at every 3 days against Flow Fasting Tracker's every 10 days. Flow Fasting Tracker's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CycleFasting sells 3 in-app purchases, starting at $7.99 per month and Flow Fasting Tracker sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

CycleFasting ships an update every 3 days, Flow Fasting Tracker every 10 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | CycleFasting | Flow Fasting Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Size | 25 MB | 16 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Zorana Raicic](https://appshunter.io/developer/1882648182) | [Kristina Kozicynaite](https://appshunter.io/developer/1882882099) |

## What reviewers say

### CycleFasting

[App page](https://appshunter.io/ios/app/cyclefasting/id6760101500)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| 6 Months | $39.99 | per 6 months |
| Yearly | $64.99 | per year |


### Flow Fasting Tracker

[App page](https://appshunter.io/ios/app/flow-fasting-tracker/id6776109275)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $7.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is CycleFasting free?

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

### Is Flow Fasting Tracker free?

Flow Fasting Tracker is free to download, with in-app purchases available.

### Do CycleFasting or Flow Fasting Tracker have ads?

Neither CycleFasting nor Flow Fasting Tracker shows ads.

### Which is updated more often, CycleFasting or Flow Fasting Tracker?

CycleFasting ships an update every 3 days, and Flow Fasting Tracker every 10 days. Most recently, CycleFasting was updated on October 31, 2026 and Flow Fasting Tracker on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*