Smart Pulse vs The Fast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Pulse
This app measures stress levels and arterial health using a connected device. Simply place your finger on the device's sensor to receive readings. It requires a specific Smart Pulse device for operation.
- Stress level measurement
- Arterial health status
- Bluetooth 4.0 connectivity
- Two measurement modes (25 beat & 3 minutes)
- Requires Smart Pulse device
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[English] - To use the app, you need to purchase a Smart Pulse device - Smart Pulse is manufactured by Medicore Co., Ltd in South Korea - Place your left index finger on the red light inside the device and relax to get your stress level and arterial health status can be measured - Bluetooth Connection: Bluetooth 4.0 Only - Resolution: 1280 * 720 or High - Two Mode: 25 beat & 3 minutes - Manufacturer: Medicore co., Ltd. - Website: http://www.medi-core.co.kr
The Fast
Track your fasting periods with a visually engaging timer and home screen widgets. Review your history in a calendar view and share your progress as an image. An account is optional for local use, with cross-device syncing available.
- Customizable fasting timer
- Home screen widgets
- Live Activities support
- Fasting history calendar
- Shareable progress images
- Optional account for sync
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Fasting, at your pace. Choose a duration and start. A slowly moving record marks the time, with elapsed time and time remaining always within reach. ON YOUR HOME SCREEN Small and medium widgets keep your fast in view. Choose elapsed time or time remaining. The larger widget shows both, with the full record and progress. Live Activities keep the timer on your Lock Screen and Dynamic Island on supported iPhones. ON YOUR WRIST Check your timer, choose a duration for this fast, and start or end from Apple Watch. Add a watch-face complication for quick access. Requires The Fast on your paired iPhone. A MONTH, ON RECORD Browse your fasting history in a simple calendar. Finished goals retain their record color. Early endings appear in gray. Open any day to see each fast. YOURS TO SHARE Share one fast or your whole month as a single image. Include record details and exact times when you want to. LIGHT BY DESIGN Use the timer, history and widgets without an account. Your records stay on your device unless you sign in to save them across devices. Optional Apple, Google or email sign-in lets you keep records across devices. Free to use. No ads. The Fast records time. It does not provide medical or dietary advice.
Screenshots
Verdict
The clearest difference is update cadence: The Fast at daily against Smart Pulse's fortnightly. Smart Pulse's advantage is iOS requirement (9.2 vs 16.4). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Smart Pulse ships an update fortnightly, The Fast daily. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | Smart Pulse | The Fast |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Fortnightly | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 9.2 — better | 16.4 |
| Further details — not scored | ||
| Size | 40 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | MEDICORE | Prime Adventure LLC |
Customer experience
Smart Pulse
The Fast
In-app purchases
Smart Pulse
No in-app purchases
The Fast
No in-app purchases
