Stack vs GassiTrail
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Stack
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Stack is a routine execution system for people who already know what they should be doing. You have a supplement stack. A skincare routine. A training programme. The problem isn't information, it's execution. Stack turns everything you already have into a clean daily checklist, then gets out of your way. IMPORT ANYTHING Paste your routine as raw text like notes, a WhatsApp message, a list, an AI summary. Stack reads it and builds your structured routine automatically. No templates. No manual entry. Just paste and go. TODAY VIEW Every block due today appears in one flat list, in order. Morning supplements. Evening skincare. Push day. You open the app, work through the list, and close it. That's the entire interaction. PROTOCOLS LIBRARY All your routines live in one place. Skincare, Supplements, Fitness, anything else. Each protocol shows how many steps are scheduled today and your current completion rate. Tap in to drill down to individual steps. HISTORY LOG Look back at any day. See exactly what you completed, what you skipped, and any notes you added. Useful for spotting patterns over time like realising you always miss Tuesday evening. INSIGHTS Weekly and monthly adherence charts with AI-generated analysis. Stack looks at your completion data across all protocols and surfaces specific, actionable observations, not generic encouragement. BUILT FOR PROTOCOL PEOPLE Stack is not a habit-building app. There are no streaks, no badges, no motivational quotes. It assumes you already have the discipline. It just removes the friction between knowing what to do and actually doing it. Works with any routine: supplements, skincare, training splits, mobility work, morning shakes, medication, meal prep. If it has steps, Stack can hold it. Dark and light mode. Notification reminders. Cloud sync across devices. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getstackapp.xyz/privacy Stack Terms: https://getstackapp.xyz/terms
GassiTrail
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The dog-walking tracker with a warm heart โ for iPhone and Apple Watch. ONE GLANCE, ONE ANSWER Walk readiness blends live weather, UV, air quality and pavement heat into a single verdict: go now, or wait for the better window. TRACK EVERY WALK โข GPS route with sniffing/walking/sprinting phases โข Step tracker for your dog โ steps, distance, calories on every walk and on Today โข One-tap markers: water, poop (with nearest waste-bin hints), photos, notes, hazards โข Apple Watch: heart rate, wrist markers, your dogs' QR cards โ one shared route with the iPhone, never two traces STREAKS & MOTIVATION Streaks, achievements, records and breed leaderboards keep you and your dog moving. Show your badges on your public profile. PLAN SMARTER Route generator with distance and time sliders, dog parks, shaded or calm streets and waste bins on the way. Plan on the map, save loops, repeat past walks โ gentle voice hints guide you. WALK TOGETHER Meet dogs via QR, invite friends to walk right now (2-minute invitations), see which friends are open to walk or already out. Family shares one care calendar and sees who already walked the dog โ free forever. GROUPS & LOCAL LIFE Walking packs with their own wall, posts and reactions. Local pet businesses โ sitters, walkers, trainers, groomers, shops, vets โ publish promotions you can browse like a feed; run your own business profile from Today. CARE, PRIVATELY Vet visits, vaccinations and treatment periods with reminders, files and prescriptions โ shared with family. No account required: your device key is your identity, and "Delete my data" really deletes.
Screenshots
Verdict
The clearest difference is in-app purchases: GassiTrail at none against Stack's 3. Stack's advantage is iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Stack sells 3 in-app purchases, starting at $3.99 per month. GassiTrail asks for nothing beyond the download.
| Parameter | Stack | GassiTrail |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | โ |
| Ads | No | No |
| In-app purchases | Yes | No โ better |
| Devices | iPhone, iPod, Apple Watch โ better | iPhone, Apple Watch |
| Requires iOS | 15.1 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 62 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Naveen Senapathi | Andrii Kurhanskyi |
In-app purchases
Stack
- Stack Pro Monthly$3.991 Month
- Stack Pro Annual1 Month trial$39.991 Year
- Stack Pro Lifetime$79.99
GassiTrail
No in-app purchases









