Comparison

이미지 리사이즈 vs Luma Calc

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

Head to head
About

이미지 리사이즈

Features
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손쉬운 사진 리사이징, 당신의 손안에! 스냅 리사이즈와 함께라면 사진 리사이징이 이제 어렵지 않습니다! 주요 기능: 간편한 조작: 몇 번의 터치만으로 원하는 크기로 사진을 변경하세요. 빠른 처리: 시간은 금! 우리는 당신의 시간을 아낄 수 있도록 최적화되어 있습니다. 고품질 리사이징: 높은 품질의 사진 리사이징 알고리즘을 사용하여 선명함을 유지합니다. 다양한 형식 지원: JPG, PNG 등 파일 형식을 지원합니다. 왜 스냅 리사이즈를 사용해야 하나요? 사용자 친화적: 복잡한 메뉴 없이, 직관적인 인터페이스로 누구나 쉽게 사용할 수 있습니다. 효율적인 저장 공간: 사진 크기를 줄여 스토리지 공간을 더 효율적으로 활용하세요. SNS 최적화: 간편하게 사진을 리사이징하여 소셜 미디어에 바로 업로드 가능합니다. 지금 바로 다운로드하고, 스냅 리사이즈와 함께 당신의 사진을 완벽하게 만들어보세요!

About

Luma Calc

Features
Read full description

LumaCalc is an exposure calculator for photographers and videographers. Change your aperture, ISO, ND filter, or EV compensation — LumaCalc instantly tells you the exact shutter speed needed to maintain a correct exposure. No more mental math on set. ◆ Perfect for - Photographers who attach ND filters and need to recalculate shutter speed every time - Long exposure shooters who want to know the exact duration before pressing the shutter - Anyone who adjusts aperture or ISO and needs a quick exposure correction on the fly - Studio, outdoor, and video shooters who need fast, reliable settings ◆ Features [Exposure Triangle Calculator] Enter your current camera settings (aperture · ISO · shutter speed), then set your new values. The correct shutter speed is calculated in real time — no confirm button needed, results update instantly as you scroll. [ND Filter Calculator] Supports 23 ND filter densities from ND0 (no filter) to ND512K (512,000× light reduction). Instantly see the required shutter speed for any filter you attach. [EV Compensation] Apply exposure compensation from -3.0 to +3.0 EV in 1/3-stop increments to fine-tune your results. [Long Exposure Display] Results beyond 30 seconds are automatically formatted so you always know exactly how long to hold the shutter open. - 1/8000s – 30s : Standard shutter value (e.g. 1/250) - 30s – 60s : Seconds (e.g. 45s) - 1 min – 1 hour : MM:SS format (e.g. 02:30) - Over 1 hour : HH:MM:SS format (e.g. 01:30:00) [Wide Setting Range] - Aperture: f/1.0 – f/32 (1/3-stop steps, 31 values) - ISO: 50 – 80,000 (1/3-stop steps, 33 values) - Shutter speed: 1/8000s – 30s (56 values) ◆ Designed for the Field - Dark theme: easy on the eyes in low-light shooting environments - Wheel picker: drum-roll style selector for fast, precise input - Haptic feedback: feel every click as you scroll through values - Out-of-range alerts: clear Too Fast / Too Slow warnings when results exceed camera limits Stop doing exposure math in your head. Set up your shot faster and more accurately with LumaCalc.

Screenshots

이미지 리사이즈4 screens
Luma Calc2 screens

Verdict

The call

The clearest difference is update cadence: 이미지 리사이즈 at daily against Luma Calc's every 7 months. 이미지 리사이즈 also leads on iOS requirement (11.0 vs 13.0). On price, ads, 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

이미지 리사이즈 ships an update daily, Luma Calc every 7 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 4 level
이미지 리사이즈 versus Luma Calc: the parameters behind the verdict, then further details
Parameter이미지 리사이즈Luma Calc
PriceFreeFree
Update frequencyDaily — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better13.0
Further details — not scored
Size35 MB19 MB
Age rating4+4+
DeveloperSungduck Kimyeongsu son

In-app purchases

None

이미지 리사이즈

No in-app purchases

None

Luma Calc

No in-app purchases

Questions

Is 이미지 리사이즈 free?
이미지 리사이즈 is free to download, with no in-app purchases.
Is Luma Calc free?
Luma Calc is free to download, with no in-app purchases.
Do 이미지 리사이즈 or Luma Calc have ads?
Neither 이미지 리사이즈 nor Luma Calc shows ads.
Which is updated more often, 이미지 리사이즈 or Luma Calc?
이미지 리사이즈 ships an update daily, and Luma Calc every 7 months. Most recently, 이미지 리사이즈 was updated on November 3, 2026 and Luma Calc on October 30, 2026.

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