Alarm with Seconds: Exact Time icon
HapTalk: Feel Every Word icon
Haptics Touch: Vibration Test icon
+4

Keyhan Mortezaeifar

For mobile developers, UI/UX designers, and power users seeking granular control over device hardware and daily workflows.

7apps0.9(104) Multi-theme

Snapshot

Who is Keyhan Mortezaeifar?

Providing high-precision utility tools and developer-focused haptics testing for users seeking granular control over the Apple ecosystem.

Target audience

Mobile developersUI/UX designersPower users seeking granular control over device hardware

Active nemesis

Harley Thomas

Other rivals

Portfolio

Free 7
7
apps
Utilities3
Developer Tools1
Games1
Lifestyle1

Last updated

Haptics Touch: Vibration Test

v3

2.3y ago

Intense

Publisher DNA

What defines Keyhan Mortezaeifar?

Publisher DNA

Primary focus

Technical utilities and developer tools

Scale

indie

Target audience

Mobile developers, UI/UX designers, and power users seeking granular control over device hardware and daily workflows.

Signature Patterns

  • •Focus on hardware-level integration including haptics, camera automation, and precision timing
  • •Minimalist, single-purpose UI design across the utility portfolio
  • •100% free-to-use pricing model across all top-performing titles
  • •Aggressive update cadence and consistent maintenance of active applications
  • •Standardized use of iCloud for cross-device synchronization in productivity tools
Intense

Portfolio momentum

Demonstrates high development activity with 14 updates across the portfolio in the last 6 months and a major release occurring within the last 3 days.

Last release 3d agoActive apps 6Abandoned 1

Portfolio

What does Keyhan Mortezaeifar ship?

Apps

7 apps analysed

Haptics Touch: Vibration Test icon
Haptics Touch: Vibration Test

A simple app that tests the vibrating function of your phone or tablet

3.6(102)

Swift code export removes manual implementation friction for developers

  • Haptic Studio enables granular control over intensity and timing

Rivals

Who does Keyhan Mortezaeifar compete with?

The rivals identified

Nemeses(1)

Harley Thomas

known forInteractful

1 app4.9Developer Tools

Interactful competes by offering a broad SwiftUI component reference that includes haptics, directly overlapping with the specialized tactile feedback testing provided by Haptics Touch: Vibration Test.

Contenders(9)

Adam Foot

known forHaptics - Test Haptic Feedback

1 app3.3Developer Tools

Both applications target Apple platform developers by providing sandboxes for testing tactile feedback and generating Swift implementation code.

Alok Singh

known forHaptics Explorer

1 app4.8Developer Tools

Both apps target iOS developers with tools for testing and implementing haptic feedback, creating direct competition for the same developer workflow.

David Jacobsen

known forHaptic Haven

1 app4.8Developer Tools

Both apps target iOS developers seeking to implement and test haptic feedback, sharing a free pricing model and a focus on Swift code implementation.

Infinite Idea Machine

known forInteractions: App Design

1 app5.0Developer Tools

Both apps provide free tools for mobile developers to design haptic patterns and generate code, directly competing for the same technical audience.

Ivan Obodianskyi

known forHaptic Testing: Developer Tool

2 apps4.3Developer Tools

Both apps target iOS and watchOS developers with Swift code export and haptic pattern testing, creating direct competition for the same developer workflow.

Konstantinos Meletiou

known forHapticSync - Vibration Studio

1 app5.0Developer Tools

Both apps target iOS developers needing tactile feedback tools, with both providing free utilities for generating and testing haptic patterns.

nthState

known forHaptrix

1 app3.4Developer Tools

Both applications target iOS developers and designers by providing tools to test and generate tactile feedback patterns for mobile hardware.

Sincere Labs NYC

known forHaptics Studio

1 app5.0Developer Tools

Both apps target iOS developers requiring tactile feedback design tools and Swift code generation, creating direct competition for the same developer workflow.

Vedprakash Wagh

known forHaptic Pro

1 app4.0Developer Tools

Both applications target the same developer and designer audience by providing tools for creating, testing, and exporting haptic feedback patterns for mobile applications.

Same space(15)

AI Expert Labs

known forVibration Massager HapticVibe

1 app4.3Developer Tools

Vibration Massager HapticVibe uses the same CoreHaptics framework as the source app but targets the consumer wellness market.

Alexander Kozlowski

known forHaptic Helper

1 app0.0Developer Tools

Haptic Helper acts as a professional portfolio tool for developers, providing similar demonstration content to the source app's sandbox.

Camdan Mead

known forFidgetable: Haptic Fidget Toy

1 app4.9Developer Tools

Fidgetable targets the same tactile-focused audience as the source app but shifts the utility from developer testing to consumer-facing sensory relaxation.

CMPSE

known forVibration Safety Test

1 app0.0Developer Tools

Vibration Safety Test uses the same accelerometer hardware as the source app but focuses on monitoring external vibration therapy platforms.

Crystal Instruments

known forVibration Utilities

1 app5.0Developer Tools

Vibration Utilities provides specialized engineering tools that complement the source app's testing sandbox by offering industry-specific calculation profiles.

Cumulus Coding

known forHaptic Vibration Timer

1 app3.5Developer Tools

Haptic Vibration Timer provides a dedicated Wear OS alternative to the source app's iOS-centric haptic testing tools.

Ertem Biyik

known forHaptics: Send Love to Friends

1 app3.7Developer Tools

Haptics targets a social-focused audience, repurposing the same vibration engine found in the source app for non-verbal communication.

FatCouple OÜ

known forHaptic Interval Timer

1 app0.0Developer Tools

Haptic Interval Timer applies the source app's haptic feedback capabilities to a specific productivity use case: silent time tracking.

Hapticlabs

known forHapticlabs: Haptic design

1 app2.3Developer Tools

Hapticlabs serves the same developer audience as the source app by providing a bridge between desktop design tools and mobile haptic playback.

Marieke Elise Thurlings-Tor

known forVibeTimer - Vibration Timer

1 app5.0Developer Tools

VibeTimer repurposes the same haptic feedback technology as the source app for a focused, silent timer utility.

Rui Kowase

known forVibration: Strong Vibrator App

1 app3.3Developer Tools

Vibration: Strong Vibrator App leverages the same device vibration motor as the source app for consumer-facing relaxation.

V.R.S. VIRTUAL REALITY TECHNOLOGY

known forHaptics Connect

1 app3.3Developer Tools

Haptics Connect extends the source app's core haptic engine into the smart device control space, focusing on media and VR integration.

Vladimir Krasilnikov

known forHaptic Pen: Feedback Studio

1 app5.0Developer Tools

Haptic Pen serves the same developer and designer demographic as the source app, focusing on audio-to-haptic conversion for prototyping.

Yana Lavrentieva

known forVibration App: Strong Vibrator

1 app0.0Developer Tools

Vibration App: Strong Vibrator targets the same wellness audience as the source app, but uses a freemium model to gate content.

杰 向

known forTremorGauge - Vibration

1 app0.0Developer Tools

TremorGauge uses the same internal accelerometer as the source app but targets users performing relative equipment diagnostics.

The Analyst's Read

The bottom line on Keyhan Mortezaeifar

Bottom line

Keyhan Mortezaeifar is a disciplined indie developer with a clear focus on technical utilities that leverage specific iOS hardware capabilities. Their high release velocity and consistent maintenance suggest a stable, iterative approach to a diverse but functionally related portfolio.

Frequently asked questions

How many apps does Keyhan Mortezaeifar publish?
Keyhan Mortezaeifar has 7 apps tracked by Marlvel, primarily in the Utilities category.
What kind of apps does Keyhan Mortezaeifar make?
Keyhan Mortezaeifar's portfolio is concentrated in Utilities and Developer Tools, with an average rating of 0.9/5 across rated apps.
What is Keyhan Mortezaeifar's top app?
By review volume across the portfolio, Haptics Touch: Vibration Test is Keyhan Mortezaeifar's best-known app tracked by Marlvel.

What fed this analysis

Apps analyzed:
7
With full intel:
0
With overview:
7
Website scraped:
yes
Social presence:
no

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Keyhan Mortezaeifar, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Keyhan Mortezaeifar intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/keyhan-mortezaeifar

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Data licensed under CC-BY-NC 4.0