# WAVS vs Forecast

The clearest difference is in-app purchases: Forecast at none against WAVS's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WAVS sells 3 in-app purchases, starting at $9.99 per month. Forecast asks for nothing beyond the download.

WAVS ships an update weekly, Forecast every 2 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | WAVS | Forecast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (19 ratings)](https://appshunter.io/ios/app/wavs-pcos-and-cycle-syncing/id6505085162/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 95.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Paid | — |
| Size | 485 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Madebetter Studio](https://appshunter.io/developer/1755076943) | [MARION MORANETZ](https://appshunter.io/developer/1886984694) |

## What reviewers say

### WAVS

[App page](https://appshunter.io/ios/app/wavs-pcos-and-cycle-syncing/id6505085162)

This app offers a private and secure way to track your menstrual cycle and fertility. It supports various conditions like PCOS and endometriosis, providing medical-grade insights and personalized cycle syncing tips based on scientific evidence. All data is stored offline for maximum privacy.

**Highlights:** 100% offline data storage, Medical-grade symptothermal method support, Custom tracking for PCOS, endometriosis, PMDD, Exportable medical reports, Evidence-based cycle syncing insights, No account required

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $9.99 | per month |
| Annual Membership | $19.99 | per year |
| Lifetime | $39.99 | one-time |

**What reviewers like**

- 👍 Easy and convenient to use
- 👍 Helpful explanations for each phase
- 👍 User-friendly and intuitive design
- 👍 Empowering and accessible
- 👍 Seamless and smooth experience


### Forecast

[App page](https://appshunter.io/ios/app/forecast-cycle-syncing/id6760952160)

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

**In-app purchases:** none


## Frequently asked questions

### Is WAVS free?

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

### Is Forecast free?

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

### Do WAVS or Forecast have ads?

Neither WAVS nor Forecast shows ads.

### Which is updated more often, WAVS or Forecast?

WAVS ships an update weekly, and Forecast every 2 weeks. Most recently, WAVS was updated on October 7, 2026 and Forecast on October 14, 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.*