Comparison

RoboTou Stacker vs Ezen Cut

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

Head to head
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

RoboTou Stacker brings precision image stacking and on-device AI star removal to iPhone and iPad. Choose a workflow for your photography: • Starry Sky Stack — Align and combine night-sky photos for cleaner, more detailed results. • Landscape Stack — Reduce noise and improve landscape images through multi-frame stacking. • Star & Light Trails — Create star-trail and car-light-trail images. • Star Trail Pro — Produce advanced star-trail results with additional processing options. • AI Star Removal — Remove stars from a single image using an on-device Core ML model. KEY FEATURES • Import images from Photos or Files • Automatic masking and image alignment • 4K and 1080p output resolution options • Local preview generation and project management • Export finished images back to Photos • On-device processing—your source images do not need to be uploaded ROBOTOU PRO Landscape Stack and Star & Light Trails remain available for free. RoboTou Pro unlocks Starry Sky Stack, Star Trail Pro, and AI Star Removal through an annual subscription or a one-time lifetime purchase. Privacy Policy: https://www.robotou.cn/robotou-stacker-ios-privacy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Ezen Cut

This tool uses AI to automatically generate and edit multilingual video subtitles. It offers a professional editor for precise adjustments, unique traditional Mongolian vertical typesetting, and multi-language translation. Export videos with burned-in subtitles or as separate subtitle files and audio.

Highlights
  • AI-powered multilingual subtitle generation
  • Professional subtitle editor
  • Traditional Mongolian vertical typesetting
  • Multi-language translation
  • Local video export with burned-in subtitles
  • SRT, VTT, ASS subtitle export
  • MP3/WAV audio export
Read full description

Ezen Cut 是一款专业的 AI 驱动多语言视频字幕生成与编辑工具。 核心功能: - AI智能语音识别:上传视频,自动生成精准字幕,支持中文、蒙古文、英文、俄文、哈萨克文、藏文等多种语言 - 专业字幕编辑器:精准调整字幕时间轴、文本内容、字体样式,所见即所得 - 传统蒙古文竖排排版:业界独有的传统蒙古文竖排字幕渲染,完美支持GLT系列字体 - 多语言翻译:一键将字幕翻译为目标语言,支持多轨道字幕同时显示 - 本地视频导出:在设备端完成字幕烧录和视频导出,支持720p/1080p/4K多种分辨率 - 多格式导出:支持SRT、VTT、ASS字幕文件导出,以及MP3/WAV音频导出 产品特色: - 简洁直观的界面设计,新手也能快速上手 - 云端与本地结合,视频数据安全可控 - 多设备同步,随时随地编辑你的字幕 - 灵活的订阅方案,满足个人和团队需求 适用场景: - 视频创作者:快速为短视频、Vlog添加多语言字幕 - 教育工作者:为教学视频生成讲义字幕 - 翻译工作者:高效完成视频字幕翻译 - 蒙古语内容创作:专业的传统蒙古文竖排字幕解决方案 隐私与安全: 我们重视用户隐私。视频数据仅用于字幕生成,处理完成后可随时删除。详情请查看隐私政策。

Screenshots

RoboTou Stacker4 screens
Ezen Cut4 screens

Verdict

The call

The clearest difference is in-app purchases: Ezen Cut at none against RoboTou Stacker's 2. Ezen Cut also leads on iOS requirement (15.0 vs 17.0). On price, review sentiment, update cadence and ads 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. RoboTou Stacker sells 2 in-app purchases, starting at $5.00 per year. Ezen Cut asks for nothing beyond the download.

UpkeepUpdate frequency

RoboTou Stacker ships an update every 5 days, Ezen Cut every 3 days. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 8 level
RoboTou Stacker versus Ezen Cut: the parameters behind the verdict, then further details
ParameterRoboTou StackerEzen Cut
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings1 — better—
Update frequencyEvery 5 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size88 MB159 MB
Age rating4+4+
Developer振国 吴内蒙古毅金云科技有限公司

Customer experience

RoboTou Stacker

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

Ezen Cut

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

RoboTou Stacker

Subscriptions1
  • RoboTou Stacker Pro Annual$5.001 Year
One-time1
  • RoboTou Stacker Pro Lifetime$39.99
None

Ezen Cut

No in-app purchases

Questions

Is RoboTou Stacker free?
RoboTou Stacker is free to download, with in-app purchases available.
Is Ezen Cut free?
Ezen Cut is free to download, with no in-app purchases.
Do RoboTou Stacker or Ezen Cut have ads?
Neither RoboTou Stacker nor Ezen Cut shows ads.
Which is updated more often, RoboTou Stacker or Ezen Cut?
RoboTou Stacker ships an update every 5 days, and Ezen Cut every 3 days. Most recently, RoboTou Stacker was updated on September 29, 2026 and Ezen Cut on September 30, 2026.

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