Comparison

Pace Lab vs RUNBLE

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

Head to head
About

Pace Lab

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Pace Lab is a running calculator built for runners who want clear numbers without the clutter. โ–  Key Features - Pace calculator Calculate pace and speed from any distance and time. - Race pace calculator Set your goal time and get your target pace โ€” then view full race splits with real clock times across the course. - Paceโ€“speed converter Switch instantly between pace (min/mi or min/km) and speed (mph or km/h). - 400m lap calculator Convert between lap times and equivalent running pace for track sessions. - Training pace calculator Enter your goal time and get recommended paces for easy runs, long runs, marathon pace, threshold runs, and interval workouts. - Heart rate zone calculator Calculate your 5 training zones using Max HR, Resting HR, or Lactate Threshold (LTHR). - Race time predictor Predict finish times across distances using recent race results or VDOT-based estimates. - Energy gel calculator Get a personalized gel count and timing plan based on your race distance and goal pace. No sign-up required โ€” just the tools runners need for smarter training and race planning.

About

RUNBLE

Features
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RUNBLE์€ Zone 2 ๋Ÿฌ๋‹์œผ๋กœ ํšจ๊ณผ์ ์ธ ๋‹ค์ด์–ดํŠธ๋ฅผ ๋•๋Š” ๊ณผํ•™ ๊ธฐ๋ฐ˜ ๋Ÿฌ๋‹ ์ฝ”์นญ ์•ฑ์ž…๋‹ˆ๋‹ค. ์™œ Zone 2์ธ๊ฐ€? ๋น ๋ฅด๊ฒŒ ๋‹ฌ๋ฆฌ๋ฉด ํƒ„์ˆ˜ํ™”๋ฌผ์ด, ์ฒœ์ฒœํžˆ ๋‹ฌ๋ฆฌ๋ฉด ์ง€๋ฐฉ์ด ์—ฐ๋ฃŒ๋กœ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. Zone 2๋Š” ์ง€๋ฐฉ์„ ์ฃผ ์—ฐ๋ฃŒ๋กœ ํƒœ์šฐ๋Š” ์œ ์ผํ•œ ์‹ฌ๋ฐ•์ˆ˜ ๊ตฌ๊ฐ„์ž…๋‹ˆ๋‹ค. ํ•ต์‹ฌ ๊ธฐ๋Šฅ - ๋‚˜๋งŒ์˜ Zone 2 ์‹ฌ๋ฐ•์ˆ˜ ๊ณ„์‚ฐ (Spanaus + Karvonen ๊ณต์‹) - 4๋‹จ๊ณ„ ๋งž์ถคํ˜• ๋Ÿฌ๋‹ ํ”Œ๋žœ (ACSM ๊ฐ€์ด๋“œ๋ผ์ธ ๊ธฐ๋ฐ˜) - ์‹์‚ฌ ํŒจํ„ด๋ณ„ ๋งž์ถค ์‹๋‹จ (ํ•œ์‹/๋นต๋ฉด/๋ฐฐ๋‹ฌ/์†Œ์‹) - Zone 2 ์‹ค์‹œ๊ฐ„ ์‹ฌ๋ฐ•์ˆ˜ ์ฒด์ปค - ์ฃผ๊ฐ„ ์ฒดํฌ์ธ & ๊ฐ๋Ÿ‰ ๊ทธ๋ž˜ํ”„ - ๊ณผํ•™ ์ •๋ณด ์นด๋“œ 5์ข… ๊ณผํ•™์  ๊ทผ๊ฑฐ - Spanaus ๊ณต์‹: ์„ฑ๋ณ„ยท์ฒด์ค‘ ๋ฐ˜์˜ ์ตœ๋Œ€์‹ฌ๋ฐ•์ˆ˜ ๊ณ„์‚ฐ - Karvonen ๊ณต์‹: ์•ˆ์ •์‹œ ์‹ฌ๋ฐ•์ˆ˜ ๋ฐ˜์˜ Zone 2 ์‚ฐ์ถœ - ACSM ์ ์ง„์  ๊ณผ๋ถ€ํ•˜ ์›์น™ ์ ์šฉ - WHOยท๋Œ€ํ•œ๋น„๋งŒํ•™ํšŒ ๊ถŒ์žฅ ์•ˆ์ „ ๊ฐ๋Ÿ‰ ์†๋„ (์ฃผ 0.7kg) - ๊ตญ๋ฏผ๊ฑด๊ฐ•์˜์–‘์กฐ์‚ฌ(KNHANES) ๊ธฐ๋ฐ˜ ์‹๋‹จ 4๋‹จ๊ณ„ ๋Ÿฌ๋‹ ํ”Œ๋žœ Phase 1: ์Šต๊ด€ ๋งŒ๋“ค๊ธฐ (20~30๋ถ„) Phase 2: ์ง€๋ฐฉ ์—ฐ์†Œ ์‹œ์ž‘ (30~40๋ถ„) Phase 3: ์ตœ๋Œ€ ์ง€๋ฐฉ ์—ฐ์†Œ (40~50๋ถ„) Phase 4: ๋งˆ๋ฌด๋ฆฌ (45~55๋ถ„) ๋ฌด๋ฃŒ๋กœ ๋ชจ๋“  ๊ธฐ๋Šฅ์„ ์ด์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

Screenshots

Pace Lab4 screens
RUNBLE4 screens

Verdict

The call

The clearest difference is ads: RUNBLE at none against Pace Lab's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Pace Lab ships an update weekly, RUNBLE every 4 days. The most recent releases landed on October 18, 2026 and October 16, 2026 respectively.

Scorecard1 real difference ยท 5 level
Pace Lab versus RUNBLE: the parameters behind the verdict, then further details
ParameterPace LabRUNBLE
PriceFreeFree
Update frequencyWeeklyEvery 4 days โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.0 โ€” better15.1
Further details โ€” not scored
Size31 MB68 MB
Age rating4+12+
DeveloperPyoungoh YunSOON KWAN KWON

In-app purchases

None

Pace Lab

No in-app purchases

None

RUNBLE

No in-app purchases

Questions

Is Pace Lab free?
Pace Lab is free to download, with no in-app purchases.
Is RUNBLE free?
RUNBLE is free to download, with no in-app purchases.
Do Pace Lab or RUNBLE have ads?
Pace Lab shows ads; RUNBLE does not.
Which is updated more often, Pace Lab or RUNBLE?
Pace Lab ships an update weekly, and RUNBLE every 4 days. Most recently, Pace Lab was updated on October 18, 2026 and RUNBLE on October 16, 2026.

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