Stackr vs Pepper Pal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stackr
This app simplifies tracking peptide and GLP-1 doses, including supplies like vials and pens. It offers smart reminders, home screen widgets, and visual charts of estimated active levels based on half-life. Designed for users managing peptide protocols, it keeps your dosing information organized and accessible.
- Log peptide and GLP-1 doses
- Track vials, pens, and other supplies
- Smart reminders for next doses
- Home screen widgets
- Estimated active level charts
- Multi-peptide stack tracking
- Reference pages for common compounds
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Stackr is the all-in-one tracker for your peptide and GLP-1 protocol. Every dose, vial and meal in one place, with the math done for you. KEY FEATURES • Dose tracking and reminders Log a dose in seconds from your Home screen. Run daily, weekly, every-few-days or specific-day schedules, and several protocols at once. Reminders make sure you never miss a dose, and Home Screen widgets show what's next. • Dose calculator Enter your vial strength, water and dose, and see exactly how many units to draw on a U-100 or U-40 syringe. Works in mcg, mg, IU and units. • Supplies and vials Track vials, pens and other supplies. Stackr counts down what's left every time you log and warns you before you run out. • Progress Keep your weight, progress photos and dose history together, with a calendar of taken and missed doses and estimated active levels from your logs. • Food and calories Snap a meal, scan a barcode, search a food or just say what you ate. Stackr tracks calories and protein against your daily plan. • Stackr Coach Ask the AI coach questions about your routine and your meals, any time. • Learn Reference pages for semaglutide, tirzepatide, retatrutide, BPC-157, TB-500, GHK-Cu and 100+ more, with research status and sources. WHY STACKR • Built for GLP-1s and peptides, from one weekly shot to a full stack • Pounds or kilograms, mcg or mg, U-100 or U-40 • Syncs across your devices when you sign in • Message the team directly from Settings Stackr is a personal tracking and educational app. It does not give medical advice, prescribe treatments or tell you which peptide, dose or schedule is right for you. Always talk to a qualified healthcare professional. Active levels and photo-based nutrition values are estimates. SUBSCRIPTION Stackr is free to download. Full access requires a paid Stackr+ subscription. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://getstackr.app/privacy
Pepper Pal
This app serves as a personal journal for tracking peptide records, schedules, and measurements. It allows users to manually log doses, review history, and monitor progress through various metrics and charts. Users can also set reminders, customize their experience, and optionally sync data with Apple Health.
- Manual dose and measurement logging
- Daily timeline of entries
- Progress charts and history review
- Customizable reminders and schedules
- Optional Apple Health integration
- User profiles and data organization
- Customizable appearance and modes
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Pepper Pal is a personal journal for the peptide routines, schedules and measurements you choose to track. Write down what you already know, review it and keep your own record. Organize history in separate profiles and sync it across your devices. YOUR OWN RECORDS, CLEAR HISTORY • Record an amount, its unit, the site, the time and notes • Recall a previous entry with its date, then review before saving • Edit entries, search history and save frequently used filters • Keep supply label details, expiry dates, lot numbers and notes • Set your own reminder schedules, planned breaks and skipped days YOUR DAY AND PROGRESS • See entries, check-ins, measurements and notes together in a daily timeline • Record weight, mood, energy, sleep and other personal metrics • Explore measurement charts by week, month, 90 days, year, custom range or all time • Continue unfinished entries from Drafts REMINDERS AND UPDATES • Find reminders, rewards, community replies and announcements in your notification inbox • Control optional notification categories, quiet hours and your preferred device • Review new-sign-in alerts and manage signed-in devices • Preview reminder times while traveling MAKE IT YOURS • Customize Home, quick actions, spacing and appearance • Use Simple mode for a focused interface with larger controls • Decorate a cartoon companion's room and choose outfits and expressions • Set optional check-in goals and grow a progress garden • Share optional Community posts, comments and companion creations, with reporting and blocking CONTROL YOUR RECORDS • Preview backup imports before confirming them • Choose a report's dates and sections, then print or save a PDF • Delete your account inside the app OPTIONAL APPLE HEALTH A dedicated Apple Health page explains permissions and supported measurements. With permission, import weight, sleep, resting heart rate, heart rate variability and steps into your main profile. You can separately choose to share manually entered weight and body-fat readings with Apple Health. Journal entries are never written to Apple Health. Pepper Pal does not recommend compounds or amounts, diagnose conditions or provide medical advice. Recorded values are self-reported and are not medical records. Follow the guidance of your qualified healthcare professional. Community content reflects other users' experiences.
Screenshots
Verdict
The clearest difference is rating: Pepper Pal at 5.0 against Stackr's 4.4. Pepper Pal also leads on in-app purchases (none vs 7) and iOS requirement (15.0 vs 17.0). Stackr's advantage is ratings volume (198 vs 1) and update cadence (weekly vs fortnightly). On price, ads and device support 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. Stackr sells 7 in-app purchases, starting at $7.99 per 7 days. Pepper Pal asks for nothing beyond the download.
Pepper Pal holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Stackr has 198 ratings behind it against 1, so its average is the more settled of the two.
Stackr ships an update weekly, Pepper Pal fortnightly. Both last shipped on October 29, 2026.
| Parameter | Stackr | Pepper Pal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (198 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 68.8% of reviews | — |
| Number of ratings | 198 — better | 1 |
| Update frequency | Weekly — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 88 MB | 7 MB |
| Age rating | 12+ | 17+ |
| Developer | Stackr Holdings LLC | Sukhmanpreet Singh |
Customer experience
Stackr
Pepper Pal
In-app purchases
Stackr
- Stackr+ Weekly$7.997 Days
- Monthly$12.991 Month
- Stackr+ Yearly$29.991 Year
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- Stackr+ Yearly$49.991 Year
- Stackr+ Yearly3 Days trial$49.991 Year
- Stackr+ Yearly$59.991 Year
- Yearly3 Days trial$69.991 Year
Pepper Pal
No in-app purchases









