# YIMA vs Flow State Cycle

The clearest difference is update cadence: YIMA at every 4 days against Flow State Cycle's every 2 weeks. Flow State Cycle's advantage is iOS requirement (16.4 vs 18.0). 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.

YIMA ships an update every 4 days, Flow State Cycle every 2 weeks. The most recent releases landed on October 25, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | YIMA | Flow State Cycle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/flow-state-cycle/id6762103850/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 37 MB | 54 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Haodong Ju](https://appshunter.io/developer/1890849142) | [Brett East](https://appshunter.io/developer/1892495827) |

## What reviewers say

### YIMA

[App page](https://appshunter.io/ios/app/yima-period-tracking/id6761681327)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flow State Cycle

[App page](https://appshunter.io/ios/app/flow-state-cycle/id6762103850)

This private period tracker logs your cycle with a single tap and uses your data for smart predictions. It offers symptom and mood tracking, cycle insights, and doctor-ready reports. Your health data stays on your device, ensuring complete privacy.

**Highlights:** Smart cycle predictions, Symptom and mood logging, Cycle insights and patterns, Doctor-ready PDF reports, Health ecosystem sync, CSV data export, Dark mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is YIMA free?

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

### Is Flow State Cycle free?

Flow State Cycle is free to download, with no in-app purchases.

### Do YIMA or Flow State Cycle have ads?

Neither YIMA nor Flow State Cycle shows ads.

### Which is updated more often, YIMA or Flow State Cycle?

YIMA ships an update every 4 days, and Flow State Cycle every 2 weeks. Most recently, YIMA was updated on October 25, 2026 and Flow State Cycle on November 5, 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.*