Kantu vs chain
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kantu
This tool allows you to view a wide range of image formats, including those not natively supported by your device. It integrates with your file system and other apps to open image files, offering thumbnail previews and Quick Look functionality.
- External image browsing
- Support for unsupported formats
- System native file system integration
- Open image files from other apps
- Image file thumbnails
- Quick Look support
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Kantu is a image browsing tool that provides external image browsing support for images in other apps, such as email attachments. If you are unable to open the view for the image format that is not natively supported for iOS, you can use this tool to achieve your purpose. Features: * Support system native file system. * Support other apps Open image files in Kantu. * Support image file thumbnails. * Support for Quick Look. Supported image formats: * JPG * JPEG-2000 * TIFF * BMP * ICO * ICNS * GIF * PNG (APNG) * WebP * FLIF * AVIF * HEIC * SVG * BPG If you have any questions, or suggestions, you can use the feedback provided in the app to tell us.
chain
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Finally, a reminder app that understands how tasks actually work in real life. Some things need to happen in order - and Chain-Do gets it. Stop forgetting the crucial "before" steps. Chain-Do ensures you complete tasks in the right order, every time. Most reminder apps treat tasks as isolated items. But life doesn't work that way. Chain-Do understands that some tasks depend on others - and helps you build efficient workflows. Key Features: Smart Dependencies - Set up task chains where completing one action automatically triggers the next Visual Flow - See your task connections in an intuitive dependency graph Complete Privacy - All your data stays on your device, never synced to the cloud Futuristic Interface - Clean, modern design that makes complex workflows feel simple
Screenshots
Verdict
The clearest difference is price: chain at Free against Kantu's $1.99. chain also leads on update cadence (every 4 days vs every 9 days) and device support (3 vs 1). On 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
chain is free to download; Kantu costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Kantu ships an update every 9 days, chain every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Kantu | chain |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.5 (2 ratings) — better | — |
| Positive reviews | 30.8% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊锋 仝 | Devfly Digital d.o.o. |
In-app purchases
Kantu
No in-app purchases
chain
No in-app purchases
