TrailWatch Event vs Sipflow
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
TrailWatch Event
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TrailWatch Event is an application platform that combines urban exploration, tracking walking routes tracking, and scavenger hunt. Participants log in to TrailWatch Event, choose the activity to join, and register. You can then use the GPS function and built-in map to record your activities and complete the mission in real time. You can also check your activity progress through the program. The first activity on TrailWatch Event platform is the Hong Kong Island Coastal Trail Challenge 2023/24 - Leisure Event. The challenge, organized by Parks & Trails, TrailWatch, Designing Hong Kong, and iDiscover, follows the coastline of Hong Kong Island and the 65-km-long trail is divided into 8 stages, from easy to moderate in difficulty and from steep, remote mountain climbs to flat urban harbourside walks. The Challenge aims to promote urban walkability, access to nature and heritage, healthy, sustainable living and responsible travel. It also seeks to enable the community to become cultural and environmental ambassadors.
Sipflow
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Know exactly how many sips you have left today: not millilitres, not ounces. Just sips. Sipflow turns your daily water goal into a number of sips, so hydration is concrete and easy to finish. Instead of estimating volume, you always know: how many sips to go. No data collected. Ever. Perfect for people who: Ā· Forget how much they've drunk, even when they drink regularly Ā· Want a calm tool, not a health dashboard Ā· Work long hours or stay focused for extended periods Ā· Use Apple Watch as a daily sidekick Key features: Ā· Sip-based tracking: your goal shows as sips remaining ā clear, actionable, done Ā· Custom coach: upload your own photo, and Sipflow uses it as your reminder avatar Ā· Personality-driven reminders: choose your coach style ā sarcastic, supportive, mom energy, or goal-focused Ā· Home screen widgets: bubble map, monthly heat map, and coach reminder widgets for at-a-glance progress Ā· Apple Watch assist: optional wrist gestures log intake moments for you to confirm Ā· Batch confirmation: review and confirm logged moments together on Watch Ā· Styled notifications: different tones so reminders actually get noticed Ā· Minimal design: fast interactions, low cognitive load, no guilt Sipflow uses an approximate model (1 sip ā 20 or 25 ml) based on general adult drinking behaviour. This is for usability only, not a medical measure. If you want a calm, honest way to know when you've had enough, Sipflow is built for you.
Screenshots
Verdict
The clearest difference is price: TrailWatch Event at Free against Sipflow's $0.99. TrailWatch Event also leads on iOS requirement (15.1 vs 18.6). Sipflow's advantage is update cadence (every 4 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
TrailWatch Event is free to download; Sipflow costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TrailWatch Event ships an update every 2 months, Sipflow every 4 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | TrailWatch Event | Sipflow |
|---|---|---|
| Price | Free ā better | $0.99 |
| Update frequency | Every 2 months | Every 4 weeks ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch ā better |
| Requires iOS | 15.1 ā better | 18.6 |
| Further details ā not scored | ||
| Size | 54 MB | 86 MB |
| Age rating | 4+ | 12+ |
| Developer | Parks and Trails Limited | Proper Works Limited |
In-app purchases
TrailWatch Event
No in-app purchases
Sipflow
No in-app purchases
Questions
Is TrailWatch Event free?
Is Sipflow free?
Do TrailWatch Event or Sipflow have ads?
Which is updated more often, TrailWatch Event or Sipflow?
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