Comparison

BuiltSolid vs Pillar

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

Head to head
About

BuiltSolid

Track your gym workouts, monitor protein intake with AI photo scans, and gauge your daily readiness for training. This app integrates with wearables and offers personalized plans for all lifter levels.

Highlights
  • Workout logging with sets, reps, weight, RPE
  • Automatic PR and 1RM tracking
  • AI photo scan for calorie and protein estimates
  • Daily readiness score from wearable data
  • Personalized 4-week workout plans
  • Integration with Apple Health and wearables
Features
Read full description

The gym log for serious and beginner lifters. Track every PR and estimated 1RM, hit your daily protein with an AI photo scan, and check your readiness score before you train. Every feature is free. WHY LIFTERS ARE SWITCHING TO BUILTSOLID * Every premium feature is free — ads support the app, not a paywall * Built for real strength training — sets, reps, RPE, PRs, progressive overload * AI photo scan for calories & protein — no manual food logging * Works with Whoop, Oura, Garmin, Fitbit & Apple Watch via Apple Health STRENGTH TRAINING & GYM LOG * Log every gym workout — sets, reps, weight, RPE, and notes in seconds * Estimated 1RM for every lift, plus automatic PR tracking * Barbell plate calculator built into the workout player * Weekly training volume, streaks, and strength trends * Personalized 4-week workout plans across 300+ exercises * Exercise swaps, rest timers, supersets, and custom routines * AI coach feedback after every training session * Gym, home, and bodyweight workouts all supported PROTEIN, CALORIES & MACROS WITH AI * AI photo scan — snap your meal, get instant calorie and protein estimates * Full macro tracker — protein, carbs, and fat with custom daily targets * Built for lifters chasing protein goals, not just calorie counts * GLP-1 friendly — supports protein-focused tracking for medication users DAILY READINESS & RECOVERY * AI readiness score every morning, built from your wearable data * Combines sleep, HRV, resting heart rate, and recent training load * Know when to push and when to deload ONE DASHBOARD FOR EVERYTHING * Workouts, nutrition, sleep, steps, and recovery side by side * Pulls data from any wearable connected to Apple Health * Full CSV export — your data stays yours WHO BUILTSOLID IS FOR Lifters tired of paying $80+/year for a workout app and another $80+/year for a calorie tracker. Beginners who need a real plan without hiring a coach. Intermediate and advanced lifters who want training, nutrition, and recovery in one app that actually works together. HOW IT WORKS 1. Quick onboarding — goal, experience, training days, equipment, wearable 2. Get your 4-week workout plan and daily readiness score 3. Train, log your sets, and snap photos of your meals 4. Watch your PRs, 1RM, and dashboard fill in automatically Download BuiltSolid and replace your workout tracker, calorie counter, and recovery app with one free app. Terms of Use: https://docs.google.com/document/d/1tC-SkQtXQl5j8kNvrLph3UMdGT7t8kyoSPjzjnS4fIQ/edit?usp=sharing Privacy Policy: https://docs.google.com/document/d/1tC-SkQtXQl5j8kNvrLph3UMdGT7t8kyoSPjzjnS4fIQ/edit?usp=sharing

About

Pillar

This app is designed for strength training enthusiasts, offering tools to log workouts quickly, monitor muscle recovery, and follow adaptive training plans. It provides detailed insights into progress and helps users balance training stimulus and recovery for optimal results.

Highlights
  • Quick workout logging
  • Muscle recovery tracking
  • Adaptive training plans
  • e1RM progression charts
  • Weekly performance summaries
  • 3D anatomical exercise animations
Features
Read full description

PILLAR — BUILT FOR LIFTERS. Pillar is the workout tracker that actually understands strength training. Log your lifts in seconds, see exactly how your body is recovering, and follow plans that adapt to you. No fluff. No gimmicks. Just smarter training and real results. TRACK EVERY REP Logging shouldn't slow you down. Tap to record sets, reps, and weight mid-workout with a clean, fast interface designed for the gym floor. Follow along with detailed anatomical exercise animations so you always know exactly which muscles you're targeting — and how to hit them right. ● Log sets and reps in two taps ● 3D anatomical animations for every exercise ● Rest timers built into every set ● Instant PR detection and volume tracking SEE EVERY GAIN Powerful insights into your strength and performance. Pillar charts your estimated 1-rep max for every lift, so you can watch your progress climb week over week — across your key lifts and everything else. ● e1RM progression charts for every exercise ● Track key lifts: squat, bench, deadlift, and more ● View trends across 1 week to all time ● Weekly performance summaries RECOVER BETTER Most apps track what you did. Pillar tracks how your body responded. Get a muscle-by-muscle recovery map — see which muscle groups are sore, which are recovering, and which are ready to be trained hard again. ● Recovery status for every major muscle group ● Know when to push and when to rest ● Balance stimulus, recovery, and cardio at a glance TRAIN SMARTER Muscle Load shows your weekly sets and frequency per muscle group against your targets — so you never undertrain a muscle or grind one into the ground. Train with intention, not guesswork. ● Weekly set and frequency targets per muscle ● Spot imbalances before they become plateaus ● Stimulus, recovery, and cardio rings keep your week in check PLANS BUILT FOR YOU Choose from proven programs — Push/Pull/Legs, upper/lower hybrids, strength and conditioning splits, full-body recomp — or build your own from scratch. Then dial in every detail. ● Personalized programs for any goal and schedule ● Fully editable: adjust reps, rest, weight, and sets ● 3 to 6 training days per week ● Switch plans anytime as your goals evolve WHY LIFTERS CHOOSE PILLAR Because progress isn't an accident. It's the result of tracking what matters, recovering with intention, and showing up with a plan. Pillar puts all three in your pocket. Download Pillar and start training smarter today. WHY LIFTERS CHOOSE PILLAR Because progress isn't an accident. It's the result of tracking what matters, recovering with intention, and showing up with a plan. Pillar puts all three in your pocket. Download Pillar and start training smarter today. https://pillarfitness.app/privacy-policy https://pillarfitness.app/tos Support: besart@O7apps.com

Screenshots

BuiltSolid4 screens
Pillar4 screens

Verdict

The call

The clearest difference is ads: Pillar at none against BuiltSolid's shown. Pillar also leads on iOS requirement (16.4 vs 18.6). BuiltSolid's advantage is ratings volume (13 vs 1) and monetization model (ad-supported vs freemium). On price, rating, update cadence and in-app purchases 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. BuiltSolid sells 2 in-app purchases, starting at $12.99 per month and Pillar sells 3 in-app purchases, starting at $17.99 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 BuiltSolid against 5.0 for Pillar. That said, the two scores are not equally well evidenced: BuiltSolid has 13 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

BuiltSolid ships an update weekly, Pillar every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
BuiltSolid versus Pillar: the parameters behind the verdict, then further details
ParameterBuiltSolidPillar
PriceFreeFree
Rating5.0 (13 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings13 — better1
Update frequencyWeeklyEvery 4 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported — betterFreemium
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.616.4 — better
Further details — not scored
Size114 MB76 MB
Age rating9+4+
DeveloperZORIX LLCO7 Apps

In-app purchases

2 purchases

BuiltSolid

Subscriptions2
  • Monthly Premium$12.991 Month
  • Yearly Premium7 Days trial$39.991 Year
3 purchases

Pillar

Subscriptions3
  • Pillar Plus 1 Month$17.991 Month
  • Pillar Plus 3 Month$29.993 Months
  • Pillar Plus Annual$89.991 Year

Questions

Is BuiltSolid free?
BuiltSolid is free to download, with in-app purchases available.
Is Pillar free?
Pillar is free to download, with in-app purchases available.
Which has better reviews, BuiltSolid or Pillar?
BuiltSolid and Pillar are both rated 5.0 out of 5 on the App Store, from 13 and 1 ratings respectively.
Do BuiltSolid or Pillar have ads?
BuiltSolid shows ads; Pillar does not.
Which is updated more often, BuiltSolid or Pillar?
BuiltSolid ships an update weekly, and Pillar every 4 days. Most recently, BuiltSolid was updated on November 5, 2026 and Pillar on October 31, 2026.

Other comparisons