FastZen vs Kegel Exercise
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
FastZen
This app helps you manage your fasting schedule with customizable timers and reminders. It offers a recurring weekly routine, a timer that remembers your progress, and a clear view of your active fast. Review your history and track your streaks, all while keeping your data private on your device.
- Customizable fasting schedules
- Recurring weekly routine setup
- Live Activities for active fast tracking
- Detailed fasting history and streaks
- No account, ads, or server sync
- Custom Week one-time purchase
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FastZen tracks your fast and lets you move one date without rewriting your weekly routine. Dinner running late? Adjust that day and keep the rest of your week. Preview the next 7 days, including start times, planned finishes and rest days. β’ Start a 16:8, 18:6, 20:4 or OMAD (23-hour) fast. β’ Set a custom duration from 1 to 48 hours. β’ See elapsed time, remaining time and your planned finish. β’ Review completed sessions and correct their times. β’ Repeat one start time on the weekdays you choose. Your active session stays saved when you close the app. No account, no ads and no server sync. The widget puts your fast on the Home Screen. On iPhone, a Live Activity shows your session on the Lock Screen for up to 8 hours, the iOS limit. The session stays saved in the app. FastZen is a tracking tool, not medical advice or a promise of weight loss. Custom Week is a one-time purchase with no subscription. It unlocks a separate plan and start time for each weekday, rest days, and changes to a single date without changing your recurring week. People who used FastZen before version 1.1.0 keep that access without paying.
Kegel Exercise
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Kegel Exercise is a pelvic floor training app that helps you build a steady routine with clear timing, gentle reminders, and visual progress tracking. Whether you want to start a pelvic floor habit, track your training history, or complete Kegel exercises with a calmer rhythm, Kegel Exercise provides a simple, focused, and ad-free experience. Core features: - 10 progressive training levels, from beginner to advanced - Custom plans for hold duration, rest duration, and rep count - Training timer with voice cues and haptic feedback, so you do not need to keep looking at the screen - In-session plan summary, remaining time, overall progress, and breathing cues - Body check, extended rest, and temporary intensity reduction for better control during training - Progress view with calendar, streaks, weekly goals, personal records, and trends - Achievement badges to help you stay motivated - Multiple daily reminders and weekly training summaries - Optional Apple Health sync, saving completed training duration as mindful minutes - Data backup and restore, multilingual support, dark mode, and home screen widgets Safety note: This app provides training rhythm, reminders, and record-keeping tools. It is not medical advice. Stop immediately if you experience pain, dizziness, significant discomfort, or worsening symptoms. If you are recovering from surgery, pregnant, early postpartum, or have pelvic floor conditions, consult a doctor or qualified rehabilitation professional first.
Screenshots
Verdict
The clearest difference is in-app purchases: Kegel Exercise at none against FastZen's 1. On price, update cadence, ads and device support 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. FastZen sells 1 one-off in-app purchase. Kegel Exercise asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | FastZen | Kegel Exercise |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | β |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 2 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Benjamin Dupin | ιΆι ε²³ |
In-app purchases
FastZen
- FastZen Custom Week$5.99
Kegel Exercise
No in-app purchases








