Comparison

Light Stack Camera vs RoboTou Stacker

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

Head to head
About

Light Stack Camera

Capture incredibly sharp long exposure photos without a tripod. Advanced AI stabilization allows for handheld shots up to 30 seconds, providing natural-looking results. Unique features like true-to-motion preview and customizable failure responses ensure control and prevent ruined shots.

Highlights
  • AI-stabilized long exposures
  • Handheld shooting up to 30 seconds
  • True-to-motion live preview
  • Customizable failure response options
  • Full-resolution image pipeline
Features
Read full description

Capture sharp long exposures — no tripod required. With advanced AI stabilization, Light Stack lets you shoot handheld for up to 30 seconds — with consistently sharp, natural-looking results. To help you stay steady and in control, Light Stack offers some unique features: • True-to-Motion Preview: The live preview moves naturally with your hands, giving you intuitive feedback that helps you stay steady. No more fighting to keep a crosshair centered. • Failure Response: If motion tracking is lost, you choose what happens: temporarily pause the exposure, end it cleanly, or keep going without stabilization. No surprises, and no ruined shots when things don’t go as planned. • Full-Resolution Pipeline: Light Stack maintains full resolution from capture to final image. No cropping, and no upscaling to cover it up. Try it free and experience the convenience of Light Stack. --- Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

RoboTou Stacker

Combine multiple photos directly on your device for enhanced results. This app offers automatic masking and alignment for various photography needs, including starry skies and light trails. Process your images locally without needing an account or cloud sync.

Highlights
  • On-device image stacking
  • Automatic masking and alignment
  • Starry sky stacking
  • Star trail stacking
  • Car-light trail stacking
  • Local preview generation
  • Export to Photos
Features
Read full description

Bring image stacking and AI star removal to your iPhone and iPad. RoboTou Stacker gives night-sky and landscape photographers practical tools for processing photos directly on their devices. Import images from Photos, Files, or a folder, choose a processing mode, preview the result, and save it back to Photos. Image processing runs locally, with no account registration or photo uploads required. CHOOSE YOUR WORKFLOW • Starry Sky Stack: Automatically generate a sky mask, align the stars, and process the sky and foreground separately. • Landscape Stack: Combine multiple photos of a static scene captured from a fixed position. • Star & Light Trails Stack: Use maximum-value stacking to combine star trails and vehicle light trails. • Star Trail Pro: Stack up to 100 images with a fade-enhanced workflow. • AI Star Removal: Process a single image on your device to create a starless image for further sky-background editing. OUTPUT YOUR WAY Choose a 4K or 1080p output preset while preserving the original aspect ratio. Smaller source images retain their original resolution. Both stacking and AI Star Removal follow your in-app resolution setting. MADE FOR YOUR DEVICE Switch between English and Chinese. Layouts optimized for the unfolded iPhone Duo display make better use of screen space across Home, mode selection, importing, and Settings. FREE FEATURES AND ROBOTOU PRO Landscape Stack and basic Star & Light Trails Stack are free. Starry Sky Stack, Star Trail Pro, and AI Star Removal require RoboTou Pro, available as an auto-renewing annual subscription or a one-time lifetime purchase. Manage or cancel subscriptions in your Apple ID settings. Privacy Policy: https://www.robotou.cn/robotou-stacker-ios-privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Light Stack Camera3 screens
RoboTou Stacker4 screens

Verdict

The call

The clearest difference is review sentiment: RoboTou Stacker at 100% against Light Stack Camera's 73%. RoboTou Stacker also leads on rating (5.0 vs 4.7). Light Stack Camera's advantage is ratings volume (28 vs 1). On price, update cadence, ads and in-app purchases 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. Light Stack Camera sells 3 in-app purchases, starting at $4.99 per month and RoboTou Stacker sells 2 in-app purchases, starting at $7.99 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

RoboTou Stacker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Light Stack Camera has 28 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Light Stack Camera's written reviews are positive against 100% of RoboTou Stacker's.

UpkeepUpdate frequency

Light Stack Camera ships an update weekly, RoboTou Stacker every 5 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Light Stack Camera versus RoboTou Stacker: the parameters behind the verdict, then further details
ParameterLight Stack CameraRoboTou Stacker
PriceFreeFree
Rating4.7 (28 ratings)5.0 (1 ratings) — better
Positive reviews73.1% of reviews100.0% of reviews — better
Number of ratings28 — better1
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS16.0 — better17.0
Further details — not scored
Size1 MB88 MB
Age rating4+4+
DeveloperCogitap Software振国 吴

Customer experience

Light Stack Camera

All ratings28 ratings
Positive92.9%
Neutral3.6%
Negative3.6%
Written reviews26 reviews
Positive73.1%
Neutral3.8%
Negative23.1%

RoboTou Stacker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Light Stack Camera

Subscriptions2
  • Monthly Subscription$4.991 Month
  • Yearly Subscription7 Days trial$19.991 Year
One-time1
  • Lifetime Access$34.99
2 purchases

RoboTou Stacker

Subscriptions1
  • RoboTou Stacker Pro Annual$7.991 Year
One-time1
  • RoboTou Stacker Pro Lifetime$39.99

Questions

Is Light Stack Camera free?
Light Stack Camera is free to download, with in-app purchases available.
Is RoboTou Stacker free?
RoboTou Stacker is free to download, with in-app purchases available.
Which has better reviews, Light Stack Camera or RoboTou Stacker?
RoboTou Stacker is rated higher. Light Stack Camera averages 4.7 out of 5 from 28 ratings, while RoboTou Stacker averages 5.0 from 1 ratings.
Do Light Stack Camera or RoboTou Stacker have ads?
Neither Light Stack Camera nor RoboTou Stacker shows ads.
Which is updated more often, Light Stack Camera or RoboTou Stacker?
Light Stack Camera ships an update weekly, and RoboTou Stacker every 5 days. Most recently, Light Stack Camera was updated on October 27, 2026 and RoboTou Stacker on October 25, 2026.

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