Comparison

LidarFlash vs 光尺

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

Head to head
About

LidarFlash

Features
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LidarFlash - Rangefinder & Lighting Assistant for Film/Digital Stop wasting expensive film? Tired of unreliable TTL flash? LidarFlash is the ultimate tool for Film Enthusiasts and Professionals. Leveraging the iPhone Pro LiDAR, it solves the core issues of inaccurate rangefinding and costly lighting trial-and-error. 【Key Benefits】 -For Film Lovers: Save Film, Save Money 1. Revive Vintage Cameras: Turn any camera into a precision rangefinder, even with faded rangefinder patches or zone focus. 2. Zero Waste: Ensure perfect exposure every time, eliminating ruined shots. 3. All-in-One: Replace heavy handheld meters with your phone. -For Professionals: Efficient Lighting, Perfect Results 1. Ditch Unstable TTL: Physics-based calculations ignore scene reflectivity for stable results. 2. No More Test Flashes: Calculate power instantly, saving time and impressing clients. 3. Master Light Ratios: Precisely control key/fill light output for perfect depth. 【Core Features】 -Smart Flash System 1. Auto Calculate: Inputs LiDAR distance, ISO, aperture, and GN to solve flash power. 2. Flash Comp: +/- EV adjustment for creative control. 3. Full Manual: Override auto settings for complete flexibility. -Efficient Workflow 1. Presets: Save settings (e.g., Indoor Portraits) for one-tap switching. 2. Dual Mode Ranging: Millimeter precision up to 5m (portraits); Long range up to 10m (large scenes). -Shoot Log & Review 1. Auto Log: Records distance, aperture, ISO, power, and compensation. 2. Review: Match logs with photos for easy teaching and self-improvement. 【Compatible Devices (Requires LiDAR)】 iPhone 12 Pro/Max and later Pro models; iPad Pro 2020 and later Pro models. LidarFlash — Grounding Nostalgia, Empowering Professionals. Download now and start your journey of precision photography! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://bshuai.top/agreement/privacy Subscription: This app offers auto-renewable subscriptions. The subscription will automatically renew unless canceled 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple ID Settings.

About

光尺

This app combines a professional light meter with a precise laser rangefinder for film photographers. It addresses challenges with rangefinder and zone focus cameras in low light and fast-paced shooting, ensuring accurate exposures and sharp focus.

Highlights
  • Low-light metering engine
  • LiDAR laser precise focusing
  • Intelligent reciprocity failure compensation
  • Rangefinder and zone focus assistance
  • Accurate exposure for night scenes
  • Modern focusing for old cameras
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光尺是专为胶片摄影师打造的“暗光克星”与“测距神器”。我们将专业的测光表与精密的激光测距仪合二为一,旨在解决旁轴与估焦相机在复杂环境下的拍摄难题。无论是微光夜景还是快速抓拍,光尺都能助你精准出片。 【核心功能】 首创暗光测光引擎 突破传统手机测光极限,专为微光环境调校。在极暗环境下依然能提供精准的曝光读数,让你的夜景胶片不再欠曝。 LiDAR 激光精准测距 调用 Apple LiDAR 激光雷达技术,实现厘米级精度的实时测距。彻底告别“黄斑老化看不清”和“全凭感觉估焦”的窘境,让每一次快门都清晰锐利。 智能倒易律补偿 内置主流胶卷倒易律数据库。无需查表,无需心算,只需选择胶卷型号,App 自动计算长曝光所需的补偿时间。 【解决痛点】 拯救废片: 解决夜景拍摄因测光不准导致的死黑问题。 解放大脑: 告别繁琐的倒易律计算公式和随身携带的纸质表格。 老机新生: 即使是黄斑对焦失效的老相机,也能通过“光尺”获得现代化的对焦体验。 【适用人群】 胶片/模拟摄影发烧友 旁轴相机 (Leica M系列等) 及估焦相机 (Rollei 35等) 玩家 热衷于城市夜景与长曝光创作的摄影师

Screenshots

LidarFlash4 screens
光尺4 screens

Verdict

The call

The clearest difference is update cadence: 光尺 at every 8 days against LidarFlash's every 2 months. 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. LidarFlash sells 5 in-app purchases, starting at $1.99 per month and 光尺 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LidarFlash ships an update every 2 months, 光尺 every 8 days. The most recent releases landed on September 8, 2026 and June 8, 2026 respectively.

Scorecard1 real difference · 9 level
LidarFlash versus 光尺: the parameters behind the verdict, then further details
ParameterLidarFlash光尺
PriceFreeFree
Rating5.0 (1 ratings) — better
Positive reviews100.0% of reviews
Number of ratings1 — better
Update frequencyEvery 2 monthsEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better16.0
Further details — not scored
Size15 MB4 MB
Age rating4+4+
Developer相锋 刘浩宇 李

In-app purchases

5 purchases

LidarFlash

Subscriptions3
  • Auto-renew Monthly3 Days trial$1.991 Month
  • Auto-renew Quarterly$4.993 Months
  • Auto-renew Annual$14.991 Year
One-time2
  • 1-Month Pro Subscription$2.99
  • Lifetime Premium Membership$19.99
2 purchases

光尺

One-time2
  • 暗光测光永久使用$2.99
  • 测距永久会员$2.99

Questions

Is LidarFlash free?
LidarFlash is free to download, with in-app purchases available.
Is 光尺 free?
光尺 is free to download, with in-app purchases available.
Do LidarFlash or 光尺 have ads?
Neither LidarFlash nor 光尺 shows ads.
Which is updated more often, LidarFlash or 光尺?
LidarFlash ships an update every 2 months, and 光尺 every 8 days. Most recently, LidarFlash was updated on September 8, 2026 and 光尺 on June 8, 2026.

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