Comparison

KTool vs Aviary for reMarkable

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

Head to head
About

KTool

Features
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Auto Bluetooth Device Scanning Quickly discover nearby supported devices and connect effortlessly. Stable Bluetooth Communication Built with a robust connection protocol to ensure fast and reliable data exchange. Parameter Configuration Adjust a variety of settings such as delay time, operation modes, thresholds, and more through an intuitive interface. Real-time Parameter Read & Sync Instantly read the current device settings and sync them with your mobile app for backup and verification. Smart Device Recognition Automatically detects your controller model and loads the corresponding configuration interface. Multi-language Support Available in English and Traditional Chinese, with more languages to come.

About

Aviary for reMarkable

Features
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Send documents, web articles, and images to your reMarkable tablet from anywhere on your iPhone or iPad. Requires a self-hosted Aviary server. Learn more at github.com/rmitchellscott/aviary. Aviary for reMarkable adds a Share Sheet extension that lets you send files and URLs directly to your self-hosted Aviary server, which delivers them to your reMarkable tablet via reMarkable Cloud or rmfakecloud. URLs are automatically converted to ePubs or PDFs, and images are converted to PDFs. Files queue offline and upload when connectivity returns. Features: - Share Sheet extension for system-wide sharing - Send URLs, PDFs, EPUBs, images, HTML, and Markdown - Automatic PDF or ePUB conversion for web pages - Offline queue with background upload - No analytics, tracking, or data collection - Fully open source

Screenshots

KTool4 screens
Aviary for reMarkable1 screens

Verdict

The call

The clearest difference is update cadence: Aviary for reMarkable at every 2 days against KTool's fortnightly. KTool's advantage is iOS requirement (15.6 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

KTool ships an update fortnightly, Aviary for reMarkable every 2 days. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

Scorecard2 real differences ยท 4 level
KTool versus Aviary for reMarkable: the parameters behind the verdict, then further details
ParameterKToolAviary for reMarkable
PriceFreeFree
Update frequencyFortnightlyEvery 2 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.6 โ€” better26.2
Further details โ€” not scored
Size47 MB1 MB
Age rating17+4+
DeveloperKutaiRobert Scott

In-app purchases

None

KTool

No in-app purchases

None

Aviary for reMarkable

No in-app purchases

Questions

Is KTool free?
KTool is free to download, with no in-app purchases.
Is Aviary for reMarkable free?
Aviary for reMarkable is free to download, with no in-app purchases.
Do KTool or Aviary for reMarkable have ads?
Neither KTool nor Aviary for reMarkable shows ads.
Which is updated more often, KTool or Aviary for reMarkable?
KTool ships an update fortnightly, and Aviary for reMarkable every 2 days. Most recently, KTool was updated on September 19, 2026 and Aviary for reMarkable on September 16, 2026.

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