Comparison

Gym Log Workout Tracker PRZone vs SadBox

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

Head to head
About

Gym Log Workout Tracker PRZone

Effortlessly log barbell lifts and cardio workouts, track personal records, and analyze progressive overload. Build custom routines, add unique exercises, and receive instant PR alerts to fuel your strength and cardio journey.

Highlights
  • Strength & Cardio Log
  • Custom Routine Templates
  • Custom Exercises
  • Exercise Goals & PR Tracking
  • Comprehensive Statistics
  • Instructional Tips
Features
Read full description

Unleash your strength and cardio potential with PRZone Whether you're chasing a new PR on squat, bench or deadlift, tracking your fastest 5 km run, PRZone makes logging every barbell lift and cardio workout effortless. Record sets, reps, weight, distances, pace and duration, view instant PR alerts, and analyse your progressive overload. PRZone is free and 100 % ad-free! CORE FEATURES • Strength & Cardio Log • Record sets, reps, weight, rest timers, distances, pace, duration and notes • Instantly compare today's numbers against your last session • Custom Routine Templates • Build routines, supersets and periodised phases • Share a template link—clone in one tap • Custom Exercises • Add any movement not in our library; name it and include form notes • Exercise Goals & PR Tracking • Set targets (e.g. bench 120 kg or 5 km in 25 min) and get notified on achievement • Track PRs for weight, reps, total volume, distance, pace and time • Exercise Details & Stats • View best sets, total volume, average reps and other key metrics • Keep energy high with your favourite power tracks • Instructional Tips • Step-by-step guidance for core lifts and workouts • Reference images for proper technique • Clean Dark Mode COMPREHENSIVE STATISTICS • Track workout streaks and training frequency in Activity • Monitor total volume lifted and personal record history in Performance • Check muscle group coverage and balance in Body • View detailed analytics and insights to track your progress MULTILINGUAL SUPPORT • Full app translation support for global accessibility • Seamless language switching Why PRZone? PRZone cuts through distractions, strips away unnecessary features to focus on what matters: your strength gains. with live PR tracking that sparks excitemen, every element is designed to push you forward—set by set, rep by rep. Who It's For? - Beginners learning the barbell basics - Intermediate lifters chasing consistent gains - Advanced athletes targeting competitive PRs - Anyone who wants a streamlined, powerful strength-training log Get Started Today Download PRZone and take control of your strength journey. Record your lifts, crush your goals and celebrate every personal best along the way! Privacy & Terms: - Privacy Policy : https://www.przone.app/privacy-policy - Terms & Conditions: https://www.przone.app/terms-and-conditions

About

SadBox

Features
Read full description

Some things aren’t safe to post on social media. This app gives you a private emotional journal where you can say anything—your fears, secrets, frustrations, late-night thoughts—completely without pressure. No followers. No likes. No algorithms. Just a safe space to be honest. SadBox — Your Safe Emotional Space Feeling overwhelmed, stressed, or carrying emotions with nowhere to release them? SadBox gives you a private place to express freely, calm your mind, and understand yourself better. Why SadBox Helps Private emotional journaling — no judgment, no pressure Stress-relief through writing — let emotions out safely Simple emotional trends & insights Build emotional resilience over time A quiet space with no social features Key Features Secure emotional journal Stress & calm index Emotion history timeline Clean, distraction-free design Works anytime, even offline SadBox gives your emotions a safe home, so your mind can breathe again. Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://lijunchenapp.com/SadBoxprivacy.html

Screenshots

Gym Log Workout Tracker PRZone4 screens
SadBox4 screens

Verdict

The call

The clearest difference is update cadence: Gym Log Workout Tracker PRZone at every 3 days against SadBox's every 4 weeks. Gym Log Workout Tracker PRZone also leads on iOS requirement (16.2 vs 18.0). On price, ads, in-app purchases 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. Gym Log Workout Tracker PRZone sells 3 in-app purchases, starting at $3.99 per month and SadBox sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Gym Log Workout Tracker PRZone ships an update every 3 days, SadBox every 4 weeks. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.

Scorecard2 real differences · 8 level
Gym Log Workout Tracker PRZone versus SadBox: the parameters behind the verdict, then further details
ParameterGym Log Workout Tracker PRZoneSadBox
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS16.2 — better18.0
Further details — not scored
Size84 MB14 MB
Age rating4+4+
DeveloperAppWrapp俊辰 黎

In-app purchases

3 purchases

Gym Log Workout Tracker PRZone

Subscriptions2
  • Monthly Pro$3.991 Month
  • Annual Plan7 Days trial$24.991 Year
One-time1
  • Przone Lifetime$59.99
4 purchases

SadBox

Subscriptions3
  • Monthly Membership$1.991 Month
  • Quarterly Membership$4.993 Months
  • Annual Membership$8.991 Year
One-time1
  • Lifetime Membership$12.99

Questions

Is Gym Log Workout Tracker PRZone free?
Gym Log Workout Tracker PRZone is free to download, with in-app purchases available.
Is SadBox free?
SadBox is free to download, with in-app purchases available.
Do Gym Log Workout Tracker PRZone or SadBox have ads?
Neither Gym Log Workout Tracker PRZone nor SadBox shows ads.
Which is updated more often, Gym Log Workout Tracker PRZone or SadBox?
Gym Log Workout Tracker PRZone ships an update every 3 days, and SadBox every 4 weeks. Most recently, Gym Log Workout Tracker PRZone was updated on September 22, 2026 and SadBox on September 7, 2026.

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