Comparison

Buff Chick Supplements vs Stronger by the Day

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

Head to head
About

Buff Chick Supplements

This app provides supplements specifically formulated for women's strength and performance. It caters to female strength athletes, offering products that are third-party tested and drug-free certified for competitive athletes.

Highlights
  • Supplements for female strength athletes
  • Third-party tested products
  • BSCG Certified Drug Free®
  • Supports strength and performance
Features
Read full description

We fuel women's strength and performance. Our products are designed for female strength athletes. All supplements undergo third party testing and are BSCG Certified Drug Free®, so drug-tested athletes can consume with confidence.

About

Stronger by the Day

This fitness app offers expert coaching and personalized progress tracking for women serious about building strength and muscle. It provides a science-backed roadmap with flexible workout options designed to fit busy schedules and ensure continuous progress.

Highlights
  • Expert coaching by Meg Gallagher
  • Personalized progress tracking
  • Science-backed strength roadmap
  • Flexible workout scheduling
  • One-tap workout access
  • Smart progress tracking
  • Built-in exercise tutorials
Features
Read full description

Stronger by the Day is an easy-to-use fitness app for women who are serious about building strength and muscle. With expert coaching–by Meg Gallagher aka @megsquats–and personalized progress at their fingertips, our 25,000+ users have a science backed roadmap to getting and feeling stronger each session. Our Flexibility Functions are proven to work with any busy schedule while avoiding wasted time on random workouts or unqualified coaches. Workouts are just one tap away; and while you’re working in the gym or at home, our Smart Progress Tracking tools adjust your next workout so you’re always moving forward. PROVEN TRACK RECORD OF RESULTS We have thousands of 5 star reviews from our app users: – Over 25,000 active members – Over 100,000+ lifters coached – Thousands of PRs and progress made daily – A roadmap for permanent results – A free 7-day trial so you can see for yourself FLEXIBLE ENOUGH TO FIT YOUR LIFESTYLE Our Flexibility Functions fit your schedule and needs: – Train on your schedule with our 3, 4, or 5 day options – Quickie workouts on EXPRESS keep you on track – Train from anywhere with our Bodyweight program – Simple substitutions for any scenario COACHED EVERY STEP OF THE WAY This isn’t your typical fitness industry plan. We designed this app with intuitive guidance, ensuring you succeed: – No digging around, your workout is just one tap away. – Built in tutorials deliver the expert cues you need, exactly when you need them. – Your coach uncovers the “why” behind getting strong, one workout at a time. GET STRONGER MINDLESSLY Planning science-backed strength gain takes a ton of time. We make the science backed plan, all you have to do is show up and get stronger. – Our addictive progressions help you break past plateaus and keeps you coming back. – Our progress trackers, strength scores, and intelligent calculators mean making progress is simple. – While you train, we do the math. Get a free 7-day trial when you download Stronger by the Day! Download Today. PR Tomorrow. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Buff Chick Supplements4 screens
Stronger by the Day4 screens

Verdict

The call

The clearest difference is in-app purchases: Buff Chick Supplements at none against Stronger by the Day's 3. Buff Chick Supplements also leads on review sentiment (100% vs 91%). Stronger by the Day's advantage is ads (none vs shown) and ratings volume (3.6K vs 413). On price, rating, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stronger by the Day sells 3 in-app purchases, starting at $16.99 per month. Buff Chick Supplements asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Buff Chick Supplements against 4.8 for Stronger by the Day. That said, the two scores are not equally well evidenced: Stronger by the Day has 3.6K ratings behind it against 413, so its average is the more settled of the two. Written reviews are what separate them: 100% of Buff Chick Supplements's written reviews are positive against 91% of Stronger by the Day's.

UpkeepUpdate frequency

Buff Chick Supplements ships an update every 3 weeks, Stronger by the Day monthly. Both last shipped on October 30, 2026.

Scorecard5 real differences · 5 level
Buff Chick Supplements versus Stronger by the Day: the parameters behind the verdict, then further details
ParameterBuff Chick SupplementsStronger by the Day
PriceFreeFree
Rating4.9 (413 ratings) — better4.8 (3.6K ratings)
Positive reviews100.0% of reviews — better91.2% of reviews
Number of ratings4133.6K — better
Update frequencyEvery 3 weeks — betterMonthly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhoneiPhone, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size78 MB120 MB
Age rating4+4+
DeveloperBuff Chick SupplementsStrong Strong Friends LLC

Customer experience

Buff Chick Supplements

All ratings413 ratings
Positive99.3%
Neutral0.5%
Negative0.2%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Stronger by the Day

All ratings3,600 ratings
Positive94.8%
Neutral2.1%
Negative3.1%
Written reviews486 reviews
Positive91.2%
Neutral3.1%
Negative5.8%

Bugs and requests

Buff Chick Supplements

Not enough reviews yet to summarise bugs or requests.

Stronger by the Day

Reported bugs

4 issues
  • Frequent app crashes
  • Workout data not saving properly
  • Login issues and getting logged out
  • Slow loading of videos and information

Requested features

5 requests
  • Offline mode
  • Ability to view full week's workouts
  • Automatic rest timer
  • More customization for substitutions
  • Export workout data

In-app purchases

None

Buff Chick Supplements

No in-app purchases

3 purchases

Stronger by the Day

Subscriptions3
  • Monthly7 Days trial$16.991 Month
  • Quarterly7 Days trial$36.993 Months
  • Yearly7 Days trial$99.991 Year

Questions

Is Buff Chick Supplements free?
Buff Chick Supplements is free to download, with no in-app purchases.
Is Stronger by the Day free?
Stronger by the Day is free to download, with in-app purchases available.
Which has better reviews, Buff Chick Supplements or Stronger by the Day?
Buff Chick Supplements is rated higher. Buff Chick Supplements averages 4.9 out of 5 from 413 ratings, while Stronger by the Day averages 4.8 from 3.6K ratings.
Do Buff Chick Supplements or Stronger by the Day have ads?
Buff Chick Supplements shows ads; Stronger by the Day does not.
Which is updated more often, Buff Chick Supplements or Stronger by the Day?
Buff Chick Supplements ships an update every 3 weeks, and Stronger by the Day monthly. Most recently, Buff Chick Supplements was updated on October 30, 2026 and Stronger by the Day on October 30, 2026.

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