# Fertility Window Planner vs SilverStrong

The clearest difference is review sentiment: Fertility Window Planner at 100% against SilverStrong's 50%. Fertility Window Planner also leads on rating (4.0 vs 3.7) and update cadence (every 9 days vs every 3 weeks). SilverStrong's advantage is ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Fertility Window Planner sells 3 in-app purchases, starting at $6.99 per month and SilverStrong sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Fertility Window Planner holds the better App Store score, 4.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews point the same way: 100% of Fertility Window Planner's written reviews are positive against 50% of SilverStrong's.

Fertility Window Planner ships an update every 9 days, SilverStrong every 3 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Fertility Window Planner | SilverStrong |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/fertility-window-planner/id6792720752/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/silverstrong/id6798820677/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 37 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ASHOK KUMAR](https://appshunter.io/developer/6787239811) | [Theodore Armstrong](https://appshunter.io/developer/6798820679) |

## What reviewers say

### Fertility Window Planner

[App page](https://appshunter.io/ios/app/fertility-window-planner/id6792720752)

This app helps you identify your fertile window for conception through private data logging and transparent prediction engines. It visualizes your cycle data, including basal body temperature and cervical mucus, to show your most fertile days and predicted ovulation. Core features are free, with an optional subscription for advanced insights and history.

**Highlights:** Log basal body temperature, cervical mucus, and test results, Visualize fertile window and predicted ovulation day, Transparent prediction engine with chart explanations, Private data storage with export and delete options, Optional subscription for full cycle history and insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fertility Planner Pro Monthly | $6.99 | per month |
| Fertility Planner Pro Annual | $39.99 | per year |
| Fertility Window Planner | $39.99 | per year |


### SilverStrong

[App page](https://appshunter.io/ios/app/silverstrong/id6798820677)

This app offers low-impact home workouts designed for individuals over 50. It includes a five-minute assessment to gauge fitness levels and provides personalized exercise sessions that adapt based on user feedback and pain levels. Track progress against WHO targets for strength, balance, and movement.

**Highlights:** Five-minute fitness assessment, Personalized, adaptive workout sessions, Seated and supported exercise options, Progress tracking against WHO targets, Large font and spoken instructions, Optional subscription for advanced features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SilverStrong Plus Monthly | $6.99 | per month |
| SilverStrong Plus Yearly | $39.99 | per year |


## Frequently asked questions

### Is Fertility Window Planner free?

Fertility Window Planner is free to download, with in-app purchases available.

### Is SilverStrong free?

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

### Which has better reviews, Fertility Window Planner or SilverStrong?

Fertility Window Planner is rated higher. Fertility Window Planner averages 4.0 out of 5 from 1 ratings, while SilverStrong averages 3.7 from 3 ratings.

### Do Fertility Window Planner or SilverStrong have ads?

Neither Fertility Window Planner nor SilverStrong shows ads.

### Which is updated more often, Fertility Window Planner or SilverStrong?

Fertility Window Planner ships an update every 9 days, and SilverStrong every 3 weeks. Most recently, Fertility Window Planner was updated on October 13, 2026 and SilverStrong on October 2, 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.*