Comparison

GymDose vs Synstax

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GymDose

This app helps serious gym-goers meticulously track their vitamin and pill intake. It offers smart reminders tailored to training and rest days, allowing users to log doses quickly and maintain consistency with their supplement stacks.

Highlights
  • Training/Rest Day Scheduling
  • Smart Pill Reminders
  • Supplement Stack Organization
  • Streaks and Progress Tracking
  • Live Activity Widget
  • Custom Supplement Icons
Features
Read full description

GymDose is the vitamin and supplement tracker built for gym-goers who take training seriously. Track creatine, protein, vitamins, omega-3, and every supplement in your stack — with smart pill reminders and training/rest day scheduling no other app offers. Finally, a supplement tracker that understands the gym schedule. Set different supplements for training days vs rest days. Get reminders for morning, pre-workout, post-workout, and night time slots. Log your dose in seconds and move on. BUILT FOR YOUR ROUTINE • Training Day / Rest Day scheduling — only take what your body needs each day • 4 time slots: Morning, Pre-Workout, Post-Workout, Night • Smart pill reminders so you never miss a dose • Streaks and progress tracking to stay consistent • Live Activity widget — track your stack from your Lock Screen • 3D custom supplement icons to identify pills at a glance • Clean daily overview of everything logged TRACK EVERY SUPPLEMENT Whether it's creatine, whey protein, omega-3, magnesium, caffeine, vitamin D, ZMA, or any peptide — GymDose keeps your entire supplement stack organized in one place. Set custom doses, units, and reminder times for each. SMART PROGRESS & STREAKS View your supplement history with a calendar heatmap. Build streaks. See exactly which supplements you hit and which you skipped. Consistency is the goal — GymDose makes it visible. GYMDOSE PRO Unlock unlimited supplements, exclusive themes, detailed statistics, and advanced scheduling with GymDose Pro. Free plan includes 3 supplements — enough to get started. Designed and built by a solo developer who trains, tracks, and cares about getting this right. Feedback is always welcome. Stay consistent. Train smart. Track everything with GymDose. Privacy Policy: https://baransel.dev/gymdose/privacy Terms of Use: https://baransel.dev/gymdose/terms

About

Synstax

This app helps you manage your supplement intake by checking for interactions between supplements and how your diet affects absorption. It features AI-powered label scanning, intake tracking, and personalized insights to optimize your routine.

Highlights
  • Supplement combination checker
  • Diet-supplement absorption insights
  • AI-powered label scanner
  • Smart intake tracking
  • AI analysis and chat
  • Personalized scheduling
Read full description

Synstax helps you organize supplement combinations, food effects, dosage, and timing in one place. SUPPLEMENT COMBINATION CHECKER Taking calcium with iron? Zinc with copper? Synstax reviews 5,142 curated combination records and explains timing considerations for each pair. • Insights appear as you add supplements • Clear importance levels and supporting context • Practical guidance on when to separate ingredients FOOD & SUPPLEMENT EFFECTS Recent coffee, tea, dairy, fiber, grapefruit, alcohol, soy, or spicy food can change the timing of a supplement routine. • 337 food-supplement rules across 8 food categories • Time-aware notes based on what you logged • Clear waiting guidance when a spacing interval is relevant INTAKE & DOSAGE TRACKING • Track recommended daily intake progress • Compare totals across products that share an ingredient • See upper-limit references and dosage notices AI LABEL SCANNER No barcode or product catalog required. • Photograph a Supplement Facts label • OCR + AI extracts ingredients and amounts • Matches 1,185 ingredient profiles and 12,000+ name variants • Recognizes brand and product names from the front label AI ANALYSIS & CHAT • Review product details, dosage context, and absorption notes • Ask questions about supplements, combinations, and timing • Receive context based on your products, schedule, and diet logs • Free tier: 30 AI queries per month. Pro: unlimited. SMART SCHEDULING • Organize supplements for morning, noon, evening, or bedtime • Build timing around combination and food-effect notes • Track daily intake and streaks BUILT FOR EVERYONE • 34 interface languages • Your records are stored on your device. AI features require internet access and send the relevant data for processing. • No account required Synstax Pro unlocks unlimited AI analysis and premium features. Synstax provides general wellness information and does not diagnose, treat, or replace professional advice. Consult a qualified professional before starting or changing a supplement routine. Terms of Use: https://synstax.uppervoid.app/terms Privacy Policy: https://synstax.uppervoid.app/privacy

Screenshots

GymDose4 screens
Synstax4 screens

Verdict

The call

The clearest difference is update cadence: GymDose at every 8 days against Synstax's every 3 weeks. GymDose also leads on ratings volume (5 vs 1). On price, rating, review sentiment and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. GymDose sells 3 in-app purchases, starting at $1.99 per 7 days and Synstax sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for GymDose against 5.0 for Synstax. That said, the two scores are not equally well evidenced: GymDose has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

GymDose ships an update every 8 days, Synstax every 3 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 8 level
GymDose versus Synstax: the parameters behind the verdict, then further details
ParameterGymDoseSynstax
PriceFreeFree
Rating5.0 (5 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings5 — better1
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better17.0
Further details — not scored
Size47 MB152 MB
Age rating4+12+
DeveloperBaransel Arslan宁 丁

Customer experience

GymDose

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Synstax

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

GymDose

Subscriptions2
  • GymDose - Weekly3 Days trial$1.997 Days
  • GymDose - Monthly$2.991 Month
One-time1
  • GymDose Premium$12.99
3 purchases

Synstax

Subscriptions2
  • Synstax Pro$4.991 Month
  • Synstax Pro7 Days trial$29.991 Year
One-time1
  • Synstax Pro Lifetime$69.99

Questions

Is GymDose free?
GymDose is free to download, with in-app purchases available.
Is Synstax free?
Synstax is free to download, with in-app purchases available.
Which has better reviews, GymDose or Synstax?
GymDose and Synstax are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.
Do GymDose or Synstax have ads?
Neither GymDose nor Synstax shows ads.
Which is updated more often, GymDose or Synstax?
GymDose ships an update every 8 days, and Synstax every 3 weeks. Most recently, GymDose was updated on October 14, 2026 and Synstax on October 11, 2026.

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