Comparison

PDF Quickable vs chat4000

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

Head to head
About

PDF Quickable

Features
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PDF Quickable lets you open your everyday PDFs with one tap. Key features: • Pin up to 6 PDFs so they open instantly, even after the app is closed. • Home Screen widgets: touch and hold to choose which PDF to show. Medium and large widgets show several PDFs, each opening with a tap. • Lock Screen widgets (circular, rectangular, and inline) give you one-tap access without unlocking. • Add "Open Pinned PDF" to Control Center or the Action button. Works with Siri and Shortcuts too. • The buttons float over the PDF and hide while you read, so the page fills the screen. • "Open in PDF Quick" is available from Files and the share sheet. • Landscape and foldable iPhone support. Zoom and position stay put when you rotate. Try it free now.

About

chat4000

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chat4000 is the iPhone companion for OpenClaw, designed to feel faster, cleaner, and more polished to use every day. Use chat4000 to: • Connect to your OpenClaw setup from iPhone • Send and receive messages across your paired devices • Record and send voice messages • Receive notifications when new messages arrive • Quickly jump back into conversations with shortcuts on supported devices chat4000 gives you a more refined mobile experience for OpenClaw, with secure paired-device communication, responsive chat, and a simpler interface built for iPhone. An existing OpenClaw setup is required for full functionality.

Screenshots

PDF Quickable3 screens
chat40003 screens

Verdict

The call

The clearest difference is ads: chat4000 at none against PDF Quickable's shown. chat4000 also leads on update cadence (fortnightly vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDF Quickable ships an update every 6 months, chat4000 fortnightly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard2 real differences Ā· 4 level
PDF Quickable versus chat4000: the parameters behind the verdict, then further details
ParameterPDF Quickablechat4000
PriceFreeFree
Update frequencyEvery 6 monthsFortnightly — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, Mac
Requires iOS18.617.0 — better
Further details — not scored
Size5 MB59 MB
Age rating4+4+
DeveloperColorful Wallet Inc.NeonNode

In-app purchases

None

PDF Quickable

No in-app purchases

None

chat4000

No in-app purchases

Questions

Is PDF Quickable free?
PDF Quickable is free to download, with no in-app purchases.
Is chat4000 free?
chat4000 is free to download, with no in-app purchases.
Do PDF Quickable or chat4000 have ads?
PDF Quickable shows ads; chat4000 does not.
Which is updated more often, PDF Quickable or chat4000?
PDF Quickable ships an update every 6 months, and chat4000 fortnightly. Most recently, PDF Quickable was updated on October 30, 2026 and chat4000 on November 5, 2026.

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