Nisaa vs PlankCat
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Nisaa
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Nisaa is a women's health and lifestyle companion built for Muslim women. Your cycle shapes more than your health. It affects when you pray, when you fast and when you need ghusl. Nisaa brings all of it together in one calm, private app, so you don't have to juggle a period tracker, a prayer app and a notebook. CYCLE AND FERTILITY β’ Log your period, flow and symptoms in seconds β’ See your predicted next period and fertile window β’ Track irregular bleeding and spotting, not just textbook cycles β’ Look back over your cycle history to spot patterns WORSHIP, MADE EASIER β’ Prayer time support that fits around your cycle β’ Fasting tracker for Ramadan and voluntary fasts β’ Ghusl and purity reminders when your period ends β’ Duas and faith-aware guidance for everyday situations PREGNANCY β’ A dedicated pregnancy dashboard for your journey β’ Symptom logs you can bring to your doctor or midwife DAILY WELLBEING β’ Record how you feel day to day β’ Build a clearer picture of your body over time PRIVATE BY DESIGN β’ Use Nisaa without an account, or sign in to sync your data across devices β’ Available in multiple languages WHO IT'S FOR Nisaa is for any Muslim woman who wants to understand her body and look after her worship with less guesswork. Whether your cycles are regular, irregular, or you're expecting, Nisaa adapts to you. IMPORTANT Nisaa is designed for education, personal tracking and general wellbeing. It does not provide medical diagnosis, medical treatment, religious rulings or emergency advice. For medical concerns, speak to a qualified healthcare professional. For religious questions, consult a qualified scholar.
PlankCat
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Just 30 seconds. Plank Cat is a simple plank timer designed with no unnecessary features. Open the app. Press START. Hold a plank for 30 seconds. Thatβs it. Features: β’ Start immediately after launch β’ Simple one-screen design β’ Track your daily activity with color β’ See your progress at a glance Just 30 seconds a day. Start with today. PRO Upgrade to PRO to unlock Apple Watch support, reminders, detailed logs, progress charts, and more.
Screenshots
Verdict
The clearest difference is in-app purchases: Nisaa at none against PlankCat's 1. PlankCat's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. PlankCat sells 1 one-off in-app purchase. Nisaa asks for nothing beyond the download.
Nisaa ships an update every 6 weeks, PlankCat every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Nisaa | PlankCat |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 2 weeks β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 12 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | Sussex Endocrine Clinic Ltd | Kentaro MATSUMOTO |
In-app purchases
Nisaa
No in-app purchases
PlankCat
- PlankCat PRO$2.99








