Comparison

KETTLEBELL MONSTER vs Sumi 墨息

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

Head to head
About

KETTLEBELL MONSTER

Features
Read full description

KETTLEBELL MONSTER is the complete kettlebell training platform built by IKU — International Kettlebell University. Whether you're picking up a kettlebell for the first time or training for competition, KETTLEBELL MONSTER gives you everything in one place: expert-led video instruction, programmable workout timers, progress tracking, and a global community of kettlebell athletes. LEARN • Encyclopedia of kettlebell exercises with photos, cues, and variations • Structured courses from beginner to advanced • Certification programs to validate your skills TRAIN • Interval, Tabata, EMOM and HIIT timers with haptic alerts • Follow-along workout programs designed by certified coaches • Log every session — sets, reps, weight, and notes • Track progress with insights, streaks, and achievements • Save your finished workouts to Apple Health EXPLORE • Browse workouts by difficulty, duration, and equipment • Save favorites to your personal library • Download content for offline access • Watch technique breakdowns in slow motion CONNECT • Join tribes — training groups built around shared goals • Post videos, share wins, and get feedback • Seasonal challenges and leaderboards • Direct messaging with coaches and athletes RECOVER • Guided mobility and recovery sessions • Body map tracking for soreness and symmetry • Stretching routines matched to your training FUEL • Scan a food barcode or just type what you ate • Estimated macros next to your training MEMBERSHIP TIERS • Bronze — essential access to get started • Silver — expanded library and video access • Gold — full courses, certifications, and coaching tools • Platinum — everything, plus priority support • Creator — for coaches building their own programs Built by kettlebell athletes, for kettlebell athletes. Privacy Policy: https://kettlebell.monster/legal/privacy Terms of Use: https://kettlebell.monster/legal/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sumi 墨息

Features
Read full description

Sumi is a quiet space for ink and breath. Dip into digital sumi ink and watch each stroke bloom and settle across the paper. Pair your brush with guided breathing — 4-4-6, Box, or 4-7-8 — and let your hand slow together with your breath. • Flowing ink that responds to every gesture • Guided breathing, synced to the ink • A gentle focus timer and calming soundscapes • The Release Ritual — write down what weighs on you, then watch it dissolve • Save your washes and share them as wallpaper Unlock the full practice once and keep it forever: guided breathing, the Release Ritual, save & share, and the Vermilion, Indigo and Gold inks. Let go. Breathe. Be here.

Screenshots

KETTLEBELL MONSTER4 screens
Sumi 墨息3 screens

Verdict

The call

KETTLEBELL MONSTER and Sumi 墨息 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. KETTLEBELL MONSTER sells 9 in-app purchases, starting at $9.99 per month and Sumi 墨息 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
KETTLEBELL MONSTER versus Sumi 墨息: the parameters behind the verdict, then further details
ParameterKETTLEBELL MONSTERSumi 墨息
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0 — better
Further details — not scored
Size12 MB11 MB
Age rating17+4+
DeveloperIKU LLCDreamerbring Solutions Limited

In-app purchases

9 purchases

KETTLEBELL MONSTER

Subscriptions9
  • Silver — Monthly$9.991 Month
  • Gold — Monthly$19.991 Month
  • Platinum — Monthly$39.991 Month
Show 6 more
  • Bronze — Yearly$54.991 Year
  • Creator — Monthly$79.991 Month
  • Silver — Yearly$99.991 Year
  • Gold — Yearly$189.991 Year
  • Platinum — Yearly$359.991 Year
  • Creator — Yearly$749.991 Year
1 purchases

Sumi 墨息

One-time1
  • Sumi Premium$4.99

Questions

Is KETTLEBELL MONSTER free?
KETTLEBELL MONSTER is free to download, with in-app purchases available.
Is Sumi 墨息 free?
Sumi 墨息 is free to download, with in-app purchases available.
Do KETTLEBELL MONSTER or Sumi 墨息 have ads?
Neither KETTLEBELL MONSTER nor Sumi 墨息 shows ads.

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