StackLog vs SuppLab
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
StackLog
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Forgot your creatine again? StackLog is a supplement tracker built for the gym - not a repurposed habit app. Stay consistent with your whey, creatine, BCAA, and everything else in your stack. WHAT'S INSIDE β’ 44+ supplements with evidence-based dosing templates β’ Training split mode - different intakes for gym days vs rest days β’ Smart reminders grouped by time: morning, pre-workout, post-workout, evening β’ Full supplement info - benefits, warnings, brand picks, cycling guidance β’ Consistency stats, course timeline, 30/90-day milestones β’ Pause any course - your progress stays saved WHO IT'S FOR Lifters who actually take their stack seriously. Whether you're cutting, bulking, or just trying to hit your daily vitamin D - StackLog keeps you on schedule. Get on your stack. Stay on your stack. Download StackLog. Terms of use: https://nuar.dev/stacklog-terms.html
SuppLab
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Does that supplement actually work for you β or are you paying for expensive placebo? SuppLab turns your supplement routine into a personal science lab: run randomized 21-day self-experiments (N-of-1 trials) and get an evidence-based verdict for YOUR body. No account, no cloud β all your health data stays on your iPhone. HOW IT WORKS 1. Pick a supplement and a goal (sleep, recovery, energyβ¦) 2. SuppLab randomly assigns TAKE and SKIP days across 21 days 3. Complete a quick daily check-in while Apple Health tracks your baseline 4. Get a clear decision card: keep it, drop it, or test longer YOUR STACK, UNDER CONTROL β’ One-tap logging for your entire supplement stack β’ Adherence percentage β see how consistent you really are β’ Yearly waste calculator: what supplements that do nothing cost you per year β’ Smart alert when adding a new supplement mid-experiment, so your results stay clean BUILT ON REAL DATA β’ Apple Health baseline: sleep, HRV, resting heart rate, steps β’ Subjective daily check-ins combined with objective metrics β’ Randomized TAKE/SKIP protocol reduces placebo bias PRIVATE BY DESIGN β’ No account, no sign-up, no backend β’ All analysis runs entirely on-device β’ Your health data never leaves your phone Stop guessing. Start testing. Your body, your evidence. --- Terms of Use (EULA): https://umay.dev/supplab-terms-of-use.html Privacy Policy: https://umay.dev/supplab-privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: StackLog at none against SuppLab's 2. StackLog also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. SuppLab sells 2 in-app purchases, starting at $4.99 per 7 days. StackLog asks for nothing beyond the download.
| Parameter | StackLog | SuppLab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | β |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 38 MB | 4 MB |
| Age rating | 12+ | 12+ |
| Developer | Yaroslav Henza | Bugra Gunay |
In-app purchases
StackLog
No in-app purchases
SuppLab
- Weekly Premium$4.997 Days
- Annual Premium7 Days trial$49.991 Year








