Comparison

KINROKU vs CoreWeight

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

Head to head
About

KINROKU

Features
Read full description

KINROKU is a workout tracker built to keep you going. Log your weight, reps, and sets in just a few taps, and watch your progress come to life in charts. KINROKU's AI analyzes your training and guides you to your next step. ■ Effortless logging ・Quickly enter weight, reps, sets, and notes ・Fully customizable exercises and menus ・Review your history at a glance in the calendar ■ See your progress ・Visualize each exercise's trend in charts ・View estimated 1RM for the Big 3 (bench, squat, deadlift) ・Automatic weekly volume totals ■ AI on your side ・Weekly Analysis: AI reviews your records and condition to generate feedback and advice ・AI Suggestions: get recommended weight and reps for your next set, applied to your log with one tap ・AI Quick Entry: type "Bench 100kg 5 reps 3 sets" and AI turns it into a record ・AI Training Plan: enter your goal and AI builds a menu from your own exercises ■ Stay focused on your training ・Built-in interval stopwatch ・Check elapsed time on your Lock Screen with Live Activity ・Lap timing supported ■ Designed for everyday use ・Dark Mode ・English and Japanese ・Works offline From building a habit as a beginner to pushing your limits as a pro—turn your training from a record into real growth with KINROKU.

About

CoreWeight

Features
Read full description

CoreWeight — Everything You Need to Track Your Training. CoreWeight is a complete workout log for iPhone, iPad, Mac, and Apple Watch. Track strength training, cardio, body weight, body measurements, progress photos, personal records, and more — all in one place. Log your workouts quickly, review your progress with detailed charts, and stay motivated with goals and personal records. CoreWeight also includes a built-in HIIT & Tabata timer, photo comparisons, CSV import, and seamless iCloud sync across your Apple devices. KEY FEATURES • Quickly log exercises, sets, reps, and weight with minimal taps • Create workout menus and routines, or easily repeat previous workouts • Track training volume, estimated 1RM, body weight, body fat percentage, body measurements, heart rate zones, and more • Visualize your progress with detailed charts • Set goals and automatically track personal records • Compare Before & After photos side by side or with an overlay • Export progress photos as transition videos • Built-in HIIT & Tabata interval timer with customizable preparation, work, rest, and round settings • Sync your data across iPhone, iPad, Mac, and Apple Watch with iCloud • Import your existing workout history from CSV files • Create custom tracking fields and units • Share workouts and personal records with a single tap • Generate AI-ready prompts based on your recent training data FREE VERSION & LIFETIME LICENSE All CoreWeight features are available for free. The free iPhone and iPad versions display a banner ad on the Home screen. A one-time Lifetime License removes ads and lets you use CoreWeight without restrictions. The Mac version is ad-free. PRIVACY Your workout history, body measurements, and photos are stored on your device and in your own iCloud account. No CoreWeight account or login is required. Google AdMob is used only to display ads in the free iPhone and iPad versions. By using this app, you agree to Apple’s Standard End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.vision-structure.com/coreweight/privacy/

Screenshots

KINROKU4 screens
CoreWeight4 screens

Verdict

The call

The clearest difference is in-app purchases: KINROKU at none against CoreWeight's 3. KINROKU also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads 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. CoreWeight sells 3 in-app purchases, starting at $1.99 per month. KINROKU asks for nothing beyond the download.

UpkeepUpdate frequency

KINROKU ships an update every 11 days, CoreWeight every 6 days. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 4 level
KINROKU versus CoreWeight: the parameters behind the verdict, then further details
ParameterKINROKUCoreWeight
PriceFreeFree
Update frequencyEvery 11 daysEvery 6 days — better
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch — better
Requires iOS15.1 — better18.0
Further details — not scored
Size44 MB15 MB
Age rating4+4+
DeveloperAsahi OgataHiroomi Kubo

In-app purchases

None

KINROKU

No in-app purchases

3 purchases

CoreWeight

Subscriptions2
  • Monthly Membership$1.991 Month
  • Annual Membership$9.991 Year
One-time1
  • Lifetime License$4.99

Questions

Is KINROKU free?
KINROKU is free to download, with no in-app purchases.
Is CoreWeight free?
CoreWeight is free to download, with in-app purchases available.
Do KINROKU or CoreWeight have ads?
Both KINROKU and CoreWeight show ads.
Which is updated more often, KINROKU or CoreWeight?
KINROKU ships an update every 11 days, and CoreWeight every 6 days. Most recently, KINROKU was updated on September 17, 2026 and CoreWeight on September 23, 2026.

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