Comparison

스르륵 vs Run Ri Run

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

Head to head
About

스르륵

Read full description

Sererek is for you — the one who unwinds on their phone after a long, hard day. Now use your phone only until the time you choose, sleep deeply, and wake up refreshed. Follow us on Instagram for special events. @sererek.zzz

About

Run Ri Run

Features
Read full description

Take your running to the next level with Run Ri Run—an app tailored specifically for runners who rely on their Apple Watch to power their workouts. With Run Ri Run, you can plan an entire training schedule right from your wrist, keeping every workout organized, focused, and just a tap away. Whether you’re training for a marathon or just aiming to improve your pace, Run Ri Run makes it effortless to create fully customizable workouts. Build intervals with specific goals—target a certain pace, hit a heart rate zone, or conquer distance-based reps. Each workout adjusts based on your goals, offering in-the-moment feedback to keep you on track and motivated. Designed for simplicity, Run Ri Run allows you to set up even complex workouts in seconds. With the Apple Watch’s haptic feedback, you’ll get gentle reminders when it’s time to adjust your pace or heart rate, so you can stay fully focused on your run. Make every mile count with Run Ri Run, your ultimate Apple Watch training partner. Plan, train, and conquer your goals—all from your wrist.

Screenshots

스르륵4 screens
Run Ri Run4 screens

Verdict

The call

The clearest difference is in-app purchases: 스르륵 at none against Run Ri Run's 1. 스르륵 also leads on iOS requirement (15.1 vs 17.0). 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. Run Ri Run sells 1 one-off in-app purchase. 스르륵 asks for nothing beyond the download.

UpkeepUpdate frequency

스르륵 ships an update every 2 weeks, Run Ri Run every 3 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 6 level
스르륵 versus Run Ri Run: the parameters behind the verdict, then further details
Parameter스르륵Run Ri Run
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size29 MB9 MB
Age rating4+4+
DeveloperDAEGYU SUNGLcw Kremers

In-app purchases

None

스르륵

No in-app purchases

1 purchases

Run Ri Run

One-time1
  • Full version$4.99

Questions

Is 스르륵 free?
스르륵 is free to download, with no in-app purchases.
Is Run Ri Run free?
Run Ri Run is free to download, with in-app purchases available.
Do 스르륵 or Run Ri Run have ads?
Neither 스르륵 nor Run Ri Run shows ads.
Which is updated more often, 스르륵 or Run Ri Run?
스르륵 ships an update every 2 weeks, and Run Ri Run every 3 weeks. Most recently, 스르륵 was updated on October 16, 2026 and Run Ri Run on October 24, 2026.

Other comparisons