StackChan World vs QuikSign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
StackChan World
This app allows users to connect with a cute, AI-powered desktop robot. It provides access to the robot's features and enhances the user experience with its open-source hardware and software.
- AI-powered robot interaction
- Open-source hardware and software
- App-based pairing with robot
- Enhanced user fun and features
- Community co-created robot
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·_· StackChan is a super cute desktop robot co-created by M5Stack and the user community. It is powered by AI, and all the hardware and software is open-source. Download the app, pair with your StackChan, and get more fun!
QuikSign
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Sign PDF documents quickly and effortlessly — right from your iPhone or iPad. This app is designed to make PDF signing fast, simple, and reliable. Whether you’re signing contracts, forms, agreements, or approvals, you can complete everything in just a few taps. Key Features • Preview PDF documents • Add handwritten signatures directly on PDFs • Add handwritten dates where needed • Upload a scanned signature image to the signature location on a PDF • Export and share signed documents instantly Designed for Speed No printing, no scanning, no complicated steps. Open your PDF, sign it, and send it — all within seconds. Perfect for Everyday Use Ideal for business professionals, freelancers, students, and anyone who needs to sign documents on the go. Privacy First Your documents stay on your device. No accounts required. No uploads to external servers. Simple. Fast. Professional. Signing PDFs should be easy — and that’s exactly what this app delivers.
Screenshots
Verdict
The clearest difference is in-app purchases: StackChan World at none against QuikSign's 1. StackChan World also leads on update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement 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
Both are free to download. QuikSign sells 1 one-off in-app purchase. StackChan World asks for nothing beyond the download.
StackChan World ships an update every 6 days, QuikSign every 2 weeks. The most recent releases landed on September 24, 2026 and September 12, 2026 respectively.
| Parameter | StackChan World | QuikSign |
|---|---|---|
| Price | Free | Free |
| Rating | 1.4 (8 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 6 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 164 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | M5Stack Technology Co., Ltd. | Jun Pu |
In-app purchases
StackChan World
No in-app purchases
QuikSign
- QuikSign$1.99
Questions
Is StackChan World free?
Is QuikSign free?
Do StackChan World or QuikSign have ads?
Which is updated more often, StackChan World or QuikSign?
Other comparisons
