TachyMon vs QuietTide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TachyMon
Receive immediate alerts for significant heart rate fluctuations, ideal for conditions like POTS or during exercise. Customize thresholds and receive detailed event tracking. Premium features offer advanced data visualization and reporting.
- Customizable heart rate threshold alerts
- Haptic feedback for alerts
- Real-time heart rate and average display
- Alert event tracking and logging
- Temporary alert silencing
- Detailed monitoring data review
- Shareable PDF reports (premium)
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Get rapid alerts for significant heart rate changes due to POTS, tachycardia, exercise or other activities. Features: - Haptic alerts based on custom threshold levels. - Customizable upper and lower threshold levels for current heart rate and difference from recent average. - The main display shows: current heart rate, moving average of recent heart rate, and delta of current heart rate to average. - Display colors change to show severity of alert. - The app tracks alert events with start time of event, event duration, starting average heart rate, and maximum or minimum heart rate during event. - Triple tap to temporarily silence alerts. - Review detailed monitoring data on the companion iPhone app. Premium features: - View detailed heart rate chart for each event - Share event info directly from watch, or export from iPhone to Photos app - Run monitoring sessions directly on your iPhone, without an Apple Watch, by connecting a Bluetooth heart rate sensor - Generate a shareable PDF report for each session - Add notes and symptoms to Alert Events - Export Alert Event raw heart rate data to .csv - View live session data on the iPhone companion app - View a summary of Alert Events over last week / month / year TachyMon was created by the developer for his niece Alex, who was diagnosed with Postural Orthostatic Tachycardia Syndrome (POTS) in the fall of 2021. Alex was experiencing frequent fainting, and her family noticed the episodes often followed a rapid rise in her heart rate. She wanted a heads-up the moment that started happening. Alex uses TachyMon's alerts as a cue to sit or crouch down when her heart rate climbs quickly, and she finds the app helps her feel a bit more in control of her day. It is a simple but specialized app, and we hope it may help others with POTS, or anyone who wants to be alerted to changes in their heart rate. APPLE HEALTH TachyMon integrates with the Apple Health app. TachyMon stores workout information (including heart rate) with the Apple Health app. WARNING: It is important to consult with medical professionals if you are concerned about your health. The TachyMon app is intended for informational purposes only. It is not a substitute for specialized medical care. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
QuietTide
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Quietide helps you relax, focus, sleep better, and manage everyday sound sensitivity with personalized audio experiences. Built for daily use, Quietide combines calming soundscapes, guided breathing, sleep tools, simple progress tracking, and focused listening sessions so you can stay consistent and feel more in control. What you can do in Quietide: Personalized listening sessions Match your sound profile and start listening sessions tailored to your needs. Curated sound library Explore rain, ocean, white noise, forest, deep space, fire, and more. Sleep mode Create calming night sessions with fade-out timing and alarm support for better wind-down routines. Breathing exercises Follow simple guided breathing sessions to reset, slow down, and refocus during the day. Smart playback experience Use play, pause, skip, shuffle, and volume controls with a seamless listening experience. Daily progress tracking Track your listening habits and wellness patterns over time. Reflection journal Save how each session made you feel and review your history. Premium features Unlock advanced tools, extended listening, sleep features, and full access to premium content. Quietide is designed to support relaxation, focus, sleep, and mindful listening as part of your daily wellness routine. Note: Quietide is a wellness app and does not replace professional medical advice, diagnosis, or treatment. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
TachyMon and QuietTide are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. TachyMon sells 2 in-app purchases, starting at $2.99 per month and QuietTide sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | TachyMon | QuietTide |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (288 ratings) — better | — |
| Positive reviews | 58.0% of reviews | — |
| Number of ratings | 288 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 16.4 | 15.1 — better |
| Further details — not scored | ||
| Size | 36 MB | 694 MB |
| Age rating | 9+ | 4+ |
| Developer | Whip Development Inc. | Bilal Oguz Marifet |
Bugs and requests
TachyMon
Reported bugs
4 issues- Frequent disconnections from heart rate monitor
- Inconsistent data sync between watch and phone
- Inability to reinstall app on new devices
- Freezing and crashing issues on latest updates
Requested features
5 requests- Add ability to log symptoms and notes
- Implement emergency contact alerts
- Improve data export and sharing options
- Enhance graphing and trend analysis tools
- Optimize battery usage and background monitoring
QuietTide
Not enough reviews yet to summarise bugs or requests.
In-app purchases
TachyMon
- TachyMon Premium Monthly1 Month trial$2.991 Month
- TachyMon Premium Annual1 Month trial$19.991 Year
QuietTide
- Serenity Pro Monthly7 Days trial$7.991 Month
- Serenity Pro Yearly7 Days trial$49.991 Year









