Comparison

Line vs Inkalendar

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

Head to head
About

Line

Transform any photo or graphic into a line drawing with this efficient tool. Ideal for artists, it offers easy tracing, direct printing, and cloud saving. Now free for all users, it supports multiple images and layers for complex artwork.

Highlights
  • Image to line drawing conversion
  • Supports multiple images
  • Layer support
  • Adjustable line levels
  • Tracing mode with disabled touches
  • Light table functionality
  • Print and cloud save options
Features
Read full description

Line-ize will take any photo, image, or graphic and convert it to a line drawing. It's lightweight so you can get your art transferred to lines easily and quickly. It allows for easy tracing, send directly to a printer, or save/upload to the cloud. *** NOW FREE FOR EVERYONE *** Created by tattoo/piercing industry professionals for industry professionals. *** Ideal for tattooists, comic book artists, marketing and graphic artists and more! *** -- FEATURES -- - Now supporting iPhones!! - Supports multiple images at once - Layers support for combining artwork together - 5 levels of adjustments to get the lines exactly how you need - Disables touches for easy tracing with a pencil or pen right on your iPad - Right or Left handed artists feature - Acts as a light table too! - Portrait and landscape

About

Inkalendar

This organizer is designed for professional tattoo artists to manage appointments efficiently. It offers features like visual appointment overviews, client consent forms, and the ability to save photos and measurements for each booking.

Highlights
  • Appointment scheduling
  • Visual monthly overview
  • Client consent forms
  • Photo and measurement saving
  • System notifications
Features
Read full description

Inkalendar is an app designed by industry experts to minimize time wastage and provide a complete and functional agenda at your fingertips for every professional tattoo artist. The main screen gives you an overview of the current month, allowing you to spot the first available appointment at a glance, thanks to clear visual cues. Each appointment includes not only traditional features like system notifications but also specific fields tailored for your work. You can save photos and add precise measurements with a simple tap of the ruler. For a ridiculous monthly cost, you can organize your work in an orderly and efficient manner, saving valuable time. Still have doubts? Try it out - the first month is free! Starting from version 1.5, in addition to managing your appointments, you can collect informed consents from your clients directly through the app. Simply modify the template to start using this new feature, drastically reducing paper waste. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Line4 screens
Inkalendar4 screens

Verdict

The call

The clearest difference is review sentiment: Inkalendar at 100% against Line's 33%. Inkalendar also leads on update cadence (fortnightly vs every 4 months). Line's advantage is monetization model (free vs free with in-app purchases) and iOS requirement (14.0 vs 16.6). On price, ads, in-app purchases 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

Both are free to download. Line sells 1 one-off in-app purchase and Inkalendar sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Line ships an update every 4 months, Inkalendar fortnightly. The most recent releases landed on June 4, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 6 level
Line versus Inkalendar: the parameters behind the verdict, then further details
ParameterLineInkalendar
PriceFreeFree
Rating3.4 (8 ratings) — better—
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings8 — better—
Update frequencyEvery 4 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better16.6
Further details — not scored
Size4 MB23 MB
Age rating4+4+
Developerkevin greenLuca Picariello

Customer experience

Line

All ratings8 ratings
Positive62.5%
Neutral0.0%
Negative37.5%
Written reviews6 reviews
Positive33.3%
Neutral16.7%
Negative50.0%

Inkalendar

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Line

One-time1
  • Remove Ads$4.99
3 purchases

Inkalendar

Subscriptions2
  • Monthly Subscription1 Month trial$0.991 Month
  • Annual Subscription1 Month trial$8.991 Year
One-time1
  • Lifetime Subscription$36.99

Questions

Is Line free?
Line is free to download, with in-app purchases available.
Is Inkalendar free?
Inkalendar is free to download, with in-app purchases available.
Do Line or Inkalendar have ads?
Neither Line nor Inkalendar shows ads.
Which is updated more often, Line or Inkalendar?
Line ships an update every 4 months, and Inkalendar fortnightly. Most recently, Line was updated on June 4, 2026 and Inkalendar on September 9, 2026.

Other comparisons