Comparison

Rephoto Pro vs AI CometStack

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

Head to head
About

Rephoto Pro

Features
Read full description

《Rephoto》is an application tool software for image restoration, beautification, enhancement, and restoration of old photos developed using leading machine vision, AI and other technologies. 【Portrait Enhancement】 This function uses the most cutting-edge AI image recognition and leading machine vision technology to automatically identify portraits in old photos and restore them in high-definition. 【Photo coloring】 Using AI image learning technology, through a large number of old photo color restoration case studies, accurately restore the scene, the color of the characters, and restore the original appearance of history. 【Low light enhancement】 It can take the over-dark photos caused by shooting in the dark and high light contrast environment, through the advanced AI image enhancement technology, the light in the dark part can be increased, and the details in the dark can be restored. This function does not affect the normal bright part and will not cause The overall brightness of the photo is increased, and only the dark part is enhanced, so that the photo can achieve a perfect light balance. 【Lossless amplification】 This function uses the most cutting-edge AI image recognition and leading machine vision technology to perform non-destructive enlargement of various photos with too low resolution. , restore photo details. 【Noise Elimination】 The annoying noise caused by high sensitivity during shooting can be eliminated to the greatest extent by using advanced machine vision algorithms, and the photos are clearer. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://info.enjoymore.cn/privacy_en.html

About

AI CometStack

Features
Read full description

AI CometStack is a breakthrough comet alignment app designed specifically for mobile astrophotography workflows. Overcome the long-standing tradeoff of comet movement during long imaging sessions. Traditionally, you had to choose between sharp stars (streaked comet) or a sharp comet (trailed stars). AI CometStack solves this by eliminating complex desktop compositing and advanced scripting. Core Features Motion-Aware Stacking: Aligns the comet nucleus across time while preserving star geometry. Two-Path Automation: Integrates stars and comets separately, then blends them on-device. Batch Processing: Handles full-night capture sets with uniform parameters. Pro Format Support: Works natively with FITS, RAW, TIFF, PNG, and JPEG files. Mobile-First Flow: Real-time previews and guided steps built for iOS deep-sky sessions. Simple Workflow Import your exposure frames (or use the included sample files). Let the app automatically track and model comet motion. Validate and adjust the seamless background blend in real time. Export gallery-grade, press-ready images instantly from the field. Support & Feedback Questions, feedback, or need help? Contact us directly at ustransit74@gmail.com Privacy policy and term of use (EULA) is at https://deepskycolor.blogspot.com/2018/12/privacy-policy-for-deep-sky-color-app.html

Screenshots

Rephoto Pro4 screens
AI CometStack2 screens

Verdict

The call

The clearest difference is price: AI CometStack at Free against Rephoto Pro's $19.99. Rephoto Pro's advantage is in-app purchases (none vs 1) and iOS requirement (14.0 vs 17.0). On ads 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

AI CometStack is free to download; Rephoto Pro costs $19.99 up front. AI CometStack sells 1 in-app purchase, starting at $9.99 per year. Rephoto Pro asks for nothing beyond the download.

Scorecard3 real differences · 2 level
Rephoto Pro versus AI CometStack: the parameters behind the verdict, then further details
ParameterRephoto ProAI CometStack
Price$19.99Free — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better17.0
Further details — not scored
Size313 MB105 MB
Age rating4+4+
DeveloperEnjoy More Tech Limitedyong chong loh

In-app purchases

None

Rephoto Pro

No in-app purchases

1 purchases

AI CometStack

Subscriptions1
  • Yearly Subscription$9.991 Year

Questions

Is Rephoto Pro free?
Rephoto Pro costs $19.99, with no in-app purchases.
Is AI CometStack free?
AI CometStack is free to download, with in-app purchases available.
Do Rephoto Pro or AI CometStack have ads?
Neither Rephoto Pro nor AI CometStack shows ads.

Other comparisons