INTERMISSIO vs Fast & Slim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
INTERMISSIO
Track your intermittent fasting journey with customizable plans and clear progress indicators. Connect with Apple Health to monitor your health data alongside your fasting history. Enjoy widgets and Live Activities for at-a-glance updates.
- Customizable fasting plans (16:8, 18:6, OMAD, multi-day)
- Real-time timer with phase milestones
- Optional Apple Health integration
- Streak tracking and progress reports
- Home Screen and Lock Screen widgets
- Live Activities during active fasts
Read full descriptionHide full description
INTERMISSIO helps you run intermittent fasting on your terms: pick a plan that fits your day, start the timer when you are ready, and stay oriented with clear progress toward your goal. PLANS AND RHYTHM Choose familiar time-restricted setups like 16:8, 18:6, 20:4, or OMAD, or work toward longer multi-day goals. Optional recurring schedule lines up eating and fasting windows, with notifications when you allow them. TIMER AND MILESTONES A single place to see elapsed time, what is left, and phase-style milestones along your fast so you always know where you are in the session. HEALTH AND PROGRESS Optionally connect Apple Health to keep weight and movement context next to your fasting history. Track streaks, review consistency, and export a simple progress report when you want a snapshot. WIDGETS AND LIVE ACTIVITIES Home Screen and Lock Screen widgets, plus Live Activities during an active fast, are available as a one-time Supporter unlock. Core fasting, the timer, Health connection, notifications, and progress inside the app stay free. INTERMISSIO is built to stay out of your way: fast to open, easy to read, and focused on the habit you are building. Privacy statement: https://pepper-technologies.nl/privacy-statement Terms of Use: https://pepper-technologies.nl/terms-of-use
Fast & Slim
Read full descriptionHide full description
Fast & Slim is a simple intermittent fasting timer and weight-loss tracker designed to help you build healthy habits, stay consistent, and feel more in control of your daily routine. Whether you want to lose weight, follow an intermittent fasting plan, create better structure in your day, or simply feel lighter and more balanced, Fast & Slim gives you a calm and easy way to track your progress. Fasting does not have to feel complicated. With Fast & Slim, you can start your fast in seconds, follow your fasting window, check your progress at a glance, and stay connected to your wellness goals with a clean and friendly design. Fast & Slim helps you: - Build a simple intermittent fasting routine - Track your fasting window with ease - Stay consistent with your fasting schedule - Support your weight-loss goals - Follow your daily progress clearly - Create healthier habits over time - Feel more in control of your wellness routine Whether you are just getting started or already following a fasting plan, Fast & Slim gives you a clean and motivating space to stay on track. Use it as your daily fast tracker to follow your fasting time, review your progress, and make each day feel more intentional. Free version includes: - Easy fasting timer - Clear daily tracking - Simple and beautiful interface Premium unlocks: - Ad-free experience - Full fasting history Fast & Slim is perfect for anyone looking for a simple way to stay consistent, feel better, and support healthy weight loss through intermittent fasting. Start gently, stay steady, and make progress one day at a time.
Screenshots
Verdict
INTERMISSIO and Fast & Slim are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. INTERMISSIO sells 1 one-off in-app purchase and Fast & Slim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | INTERMISSIO | Fast & Slim |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks | — |
| Ads | No | — |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone — better | — |
| Requires iOS | 18.6 | 18.6 |
| Further details — not scored | ||
| Size | 7 MB | 7 MB |
| Age rating | 17+ | 4+ |
| Developer | Menno Spijker | Sergi Franquet |
In-app purchases
INTERMISSIO
- Supporter$4.99
Fast & Slim
- Fast & Slim$0.99








