Fertility Window Planner vs SilverStrong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fertility Window Planner
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.
- 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
Read full descriptionHide full description
Fertility Window Planner is the calm, private way to find your fertile window while trying to conceive. No ads, no data selling, no AI chatbot — just your own signs, read by a transparent engine that shows its work. LOG YOUR SIGNS IN SECONDS Record basal body temperature (°F or °C), cervical mucus, ovulation-test results, flow, intercourse and symptoms — one tap per day, editable any time. SEE YOUR FERTILE WINDOW The Dawn Arc and a phase-tinted calendar show the six days you're most likely to conceive, your predicted ovulation day, and your next period — each with an honest confidence tier. UNDERSTAND THE 'WHY' A BBT chart draws your temperature curve with the computed coverline, the shaded fertile window and your mucus/OPK markers — so you can see exactly how each prediction was made. Nothing leaves your device to compute it. BUILT FOR PRIVACY Your data is yours: protected by per-account security, never sold, no third-party trackers. Export or delete everything any time. PRO (optional subscription) Unlock full cycle history, cross-cycle chart overlay, personal pattern insights and saved summaries. Core logging and your current fertile-window prediction are always free. - Monthly $6.99 or Annual $39.99, with a 7-day free trial - Payment is charged to your Apple ID at confirmation; auto-renews unless canceled at least 24 hours before the period ends; manage or cancel in Settings Fertility Window Planner is for general wellness and body literacy. It is not medical advice, a diagnosis, or a contraceptive method, and never labels days 'safe' or 'unsafe.' Talk to a healthcare provider about conceiving or any concern. Privacy Policy: https://preview.apppublishing.ai/legal/540/privacy Terms of Use (EULA): https://preview.apppublishing.ai/legal/540/terms
SilverStrong
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.
- 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
Read full descriptionHide full description
SilverStrong is built for people over 50 who want to move well at home — without a gym, without a class, and without guessing whether any of it is working. START WITH A NUMBER, NOT A GUESS The Check is a five-minute test you do at home: how many times you can stand from a chair in 30 seconds, and how long you can hold four balance positions. Your result is scored against the published figures for your age and sex, so you know where you actually stand. A SESSION BUILT FOR TODAY Every session is assembled to the length you choose, from movements you can actually do — seated, holding on, or free-standing — and it leaves out anything that loads a joint you have told it is sore. IT LISTENS, AND IT CHANGES Rate the effort and any pain at the end, answer one question the next morning, and the plan moves. Two clean sessions and it steps up. Pain, or soreness that is worse the next day, and it eases back. The reason is written on the screen in plain words every time. THE THREE WEEKLY TARGETS Moving minutes, strength days and balance days, tracked separately against the World Health Organization's weekly numbers for adults. Balance is the one almost nobody counts. BUILT FOR THE EYES AND HANDS THAT WILL USE IT Large type, high contrast, generous buttons, spoken instructions so you can look away from the phone, and a light and a dark theme. It works on iPhone and iPad. FREE, AND IT STAYS FREE The Check and its score, a complete session every single day, the whole movement library, the three weekly targets and every safety behaviour are free — permanently. SILVERSTRONG PLUS (optional subscription) - Unlimited re-Checks, your trend line, and a projected date you reach the published average for your age - Sessions that step up on their own, plus 20 and 30 minute lengths - Your stiffness compared across session days and rest days - A printable session sheet and a summary page you can hand your doctor - Your full history $6.99 a month or $39.99 a year, after a 7-day free trial. Payment is charged to your Apple Account at confirmation. It renews automatically at the same price unless you turn off auto-renew at least 24 hours before the end of the period, and you can manage or cancel it any time in your Apple Account settings. SilverStrong is a wellness tool, not medical advice. If something hurts, changes, or worries you, talk to your doctor. Privacy Policy: https://preview.apppublishing.ai/legal/739/privacy Terms of Use (EULA): https://preview.apppublishing.ai/legal/739/terms
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Fertility Window Planner | SilverStrong |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 100.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 37 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | ASHOK KUMAR | Theodore Armstrong |
Customer experience
Fertility Window Planner
SilverStrong
In-app purchases
Fertility Window Planner
- Fertility Planner Pro Monthly7 Days trial$6.991 Month
- Fertility Planner Pro Annual7 Days trial$39.991 Year
- Fertility Window Planner$39.991 Year
SilverStrong
- SilverStrong Plus Monthly7 Days trial$6.991 Month
- SilverStrong Plus Yearly7 Days trial$39.991 Year
Questions
Is Fertility Window Planner free?
Is SilverStrong free?
Which has better reviews, Fertility Window Planner or SilverStrong?
Do Fertility Window Planner or SilverStrong have ads?
Which is updated more often, Fertility Window Planner or SilverStrong?
Other comparisons















