Comparison

이음 vs Yoi

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

Head to head
About

이음

Connect with fellow breast cancer patients through a dedicated community app. Share experiences on a bulletin board, find compatible peers using filters, and engage in one-on-one chats.

Highlights
  • Community bulletin board
  • Find compatible patients
  • 1:1 chat with peers
  • Filter by blood type, stage, and cancer type
Features
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유방암 환우끼리 소통을 할 수 있는 앱이며 핵심 기능은 다음과 같습니다. 1. 게시판 게시판을 통해 다른 환우들과 소통할 수 있습니다. 2. 나와 꼭 맞는 환우 찾기 아형/기수/암종 필터를 통해 나와 꼭 맞는 환우를 찾을 수 있습니다. 3. 다른 환우와 채팅하기 나와 꼭 맞는 환우를 찾았다면, 그 환우와 1:1 채팅을 할 수 있습니다.

About

Yoi

Features
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■ Just put your phone down. The app handles the rest. Counting reps while doing push-ups is surprisingly annoying. You lose track of the count, your form breaks down, and you end up guessing how many you actually did. Yoi solves that exact problem. Just place your phone on the floor and start doing push-ups—the app counts your reps automatically and gives you audio cues. No need to look at the screen, no need to touch anything. ■ Two Tracking Modes • Above Head Mode Place your phone upright on the floor above your head, and the front camera tracks your shoulder movement to count reps. It won't count simple head bobs—it only registers reps when your shoulders actually lower and push back up. You can customize how deep you need to go in the settings. • Under Chest Mode Works even without the camera. Lay your phone flat under your chest, and the proximity sensor detects your body moving down to count your reps. Perfect for dark rooms or when you prefer not to use the camera. ■ Hands-Free & Eyes-Free Feedback You don't have time to look at the screen mid-push-up. That's why Yoi guides you through sound and haptics, not your eyes. • Sound effects and vibrations with every rep • Voice readouts for your rep count • 3-2-1 countdown before starting • Instant coaching prompts like "Go deeper" if your depth falls short • Audio and visual alerts if tracking is interrupted Sound effects and voice cues can be toggled on or off individually in the settings. ■ Game Modes to Make You Do One More Rep Just counting reps gets boring fast. Challenge yourself with four distinct game modes that give you a new goal every time. • 1-Minute Challenge — Max reps in 1 minute • 20-Rep Sprint — Reach 20 reps as fast as possible • Survival — Rest for more than 5 seconds, and you're out • EMOM — 5 reps every 30 seconds; fail to hit the target, and the game ends Your personal bests are saved for each game, giving you a target to beat next time. ■ Battle Virtual Opponents Pushing yourself is always easier when you're competing against someone else. Go head-to-head with three virtual opponents, each pacing at different speeds: • Push (Beginner) — ~20 reps/min, a light warm-up pace • Power Push (Intermediate) — ~45 reps/min, a steady, solid tempo • Burning Push (Advanced) — ~70 reps/min, an intense, push-your-limits pace Choose between Rep Battles (first to hit the goal wins) or Time Battles (most reps before time runs out wins). During battles, distinct sounds play for your reps and your opponent's reps, so you always know who's ahead without looking at the screen. ■ Quests and Logs for Long-Term Consistency • 50 Total Quests — From your first workout to cumulative rep goals, streak milestones, game records, and battle victories. • Calendar Heatmap — Darker colors represent higher rep counts, letting you see your monthly consistency at a glance. • Daily totals and session details are saved automatically. All records are stored strictly on your device. No sign-ups, no logins required. ■ Recommended For • Anyone who constantly loses count during push-ups • Anyone looking to build a consistent home workout routine • Anyone who wants to track workouts without the hassle of manual logging • Anyone who easily gives up when working out alone • Anyone training to increase their push-up count for physical fitness tests or exams ■ Good to Know • Above Head Mode requires camera permission. Video feeds are used strictly for rep tracking and are never saved or transmitted externally. • Under Chest Mode requires a device with a proximity sensor. • Ready to use right away without creating an account. How many push-ups are you doing today? Just set your phone down and get started.

Screenshots

이음4 screens
Yoi4 screens

Verdict

The call

The clearest difference is ads: 이음 at none against Yoi's shown. 이음 also leads on iOS requirement (12.1 vs 15.5). On price, update cadence, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

이음 ships an update every 6 days, Yoi weekly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 6 level
이음 versus Yoi: the parameters behind the verdict, then further details
Parameter이음Yoi
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 6 days — betterWeekly
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.1 — better15.5
Further details — not scored
Size104 MB68 MB
Age rating12+4+
Developerjaepyo leeJAEMIN LEE

In-app purchases

None

이음

No in-app purchases

None

Yoi

No in-app purchases

Questions

Is 이음 free?
이음 is free to download, with no in-app purchases.
Is Yoi free?
Yoi is free to download, with no in-app purchases.
Do 이음 or Yoi have ads?
Yoi shows ads; 이음 does not.
Which is updated more often, 이음 or Yoi?
이음 ships an update every 6 days, and Yoi weekly. Most recently, 이음 was updated on October 24, 2026 and Yoi on October 22, 2026.

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