Comparison

Screw Flight vs Han Keyboard

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

Head to head
About

Screw Flight

This app calculates the flat pattern size for cutting blank plates for screw flight development and fabrication. It's useful for those involved in manufacturing screw conveyors, ribbon blenders, and other process equipment.

Highlights
  • Calculate flat pattern size for screw flight
  • Input outside & inside diameter, pitch, thickness
  • Select material specific gravity for weight calculation
  • Output development outside & inside diameter
  • Includes radial cut element for development
  • Useful for process equipment fabrication
Features
Read full description

This App is Design to make handy Calculation of Screw Flight development. This app gives Flat pattern Size for Cutting Blank plate for development or fabrication of Screw flight. This app is very useful for those who are working in the field of Screw Conveyor or Ribbon Blender fabrication. In this App Input is Required Outside & Inside Diameter of Screw, pitch of flight, material thickness & specific gravity of material of Construction such as carbon steel, Stainless steel,Copper, Brass or Bronze material. This app Gives Output as Development Outside Diameter of raw Plate Circle & Inside Diameter of Circle so that it will be perfectly fit with shaft or pipe on which it will be going to weld after twisting of raw plate. All Dimension are used in mm. You can select Specific gravity from drop down List to Calculate Weight of Flight. It is used in Screw Conveyor Fabrication. Screw Flight is very Crucial element in Screw Conveyor. Screw Flight Layout is very helpful while Screw Conveyor Manufacturing industry. Capacity of screw conveyor is depends upon screw flight. This app is calculate raw cutting Plate size. It app includes addition Element of Radial Cut Required for flight development, but it is advisable to use full circle for Cutting. This app is also for those who are working in the field of fabrication of Pressure vessel, Heat ex-changer, Storage Tank, Agitator & Mixer and any other process equipment.

About

Han Keyboard

Features
Read full description

**Han Keyboard is a multi-functional keyboard designed for convenient Korean text input.** It also provides supplementary support for Hanja and Japanese input for Korean keyboard users. All features of the keyboard are available for free. **Various Korean Input Methods:** • Cheonjiin+·Danmoum·Danmoum Next·Mui Danmoum - Simple Korean input optimized for mobile • Cheonjiin·Vega·Motorola·Naratgeul - Support for classic mobile input methods • 2-beolsik·3-beolsik Final·Shin 3-beolsik P2 Symbol Extended - Fast typing experience similar to PC **Various English Layouts:** • QWERTY - Standard English keyboard • Dvorak - Alternative English keyboard • Colemak & Colemak-DH - Ergonomic English keyboards **Responsive Layout Support** • Support for situations where the keyboard display needs to change based on current composition state, such as the Key Alternation(Galma-deul-i) feature in Shin 3-beolsik P2 Symbol Extended **Convenience Features:** • Custom settings for portrait/landscape modes - Optimal input environment according to screen orientation • Hanja and Japanese Input Support - Hanja and Japanese input optimized for Korean keyboard environments • One-handed mode support - Convenient input on large screens with left/right hand convenience modes • Gesture-based one-handed mode switching - Quick layout changes with swipe gestures • Keyboard height adjustment - Personalized settings with 80%~110% size adjustment • Haptic feedback - Vibration feedback that enhances typing sensation (Off/Light/Medium/Strong) • Korean component color differentiation - Different backgrounds displayed for consonant·vowel or initial·medial·final consonant keys **Personalization Settings:** • Choose different input methods for portrait and landscape modes • Independent settings for Korean/English keyboards • Detailed customization based on usage patterns • Easy management with intuitive settings app

Screenshots

Screw Flight4 screens
Han Keyboard4 screens

Verdict

The call

The clearest difference is price: Han Keyboard at Free against Screw Flight's $2.99. Han Keyboard also leads on update cadence (every 10 days vs every 48 months). Screw Flight's advantage is in-app purchases (none vs 3). On 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

CostPrice · In-app purchases · Ads · Monetization

Han Keyboard is free to download; Screw Flight costs $2.99 up front. Han Keyboard sells 3 one-off in-app purchases. Screw Flight asks for nothing beyond the download.

UpkeepUpdate frequency

Screw Flight ships an update every 48 months, Han Keyboard every 10 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard3 real differences · 6 level
Screw Flight versus Han Keyboard: the parameters behind the verdict, then further details
ParameterScrew FlightHan Keyboard
Price$2.99Free — better
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 48 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.0 — better
Further details — not scored
Size1 MB28 MB
Age rating4+4+
DeveloperImran PinjaraMin Seon Kim

In-app purchases

None

Screw Flight

No in-app purchases

3 purchases

Han Keyboard

One-time3
  • 작은 팁$1.49
  • 중간 팁$4.99
  • 넉넉한 팁$9.99

Questions

Is Screw Flight free?
Screw Flight costs $2.99, with no in-app purchases.
Is Han Keyboard free?
Han Keyboard is free to download, with in-app purchases available.
Do Screw Flight or Han Keyboard have ads?
Neither Screw Flight nor Han Keyboard shows ads.
Which is updated more often, Screw Flight or Han Keyboard?
Screw Flight ships an update every 48 months, and Han Keyboard every 10 days. Most recently, Screw Flight was updated on October 14, 2026 and Han Keyboard on October 11, 2026.

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