Vlad Blad's Ultron series combines advanced technology with ergonomic design to deliver superior tattooing precision and ease. This comparison guides artists in choosing between the Ultron 3 and the newer Ultron 4 Pro, both wireless rotary pens with strong motors and versatile settings.

Design and Ergonomics

The Ultron 3 features a sleek, minimalist cylindrical design crafted from recycled aviation aluminum, providing a lightweight yet durable build. Its balanced weight distribution comes from a bottom-placed battery, ensuring comfortable extended use. However, its rounded shape can cause it to roll on flat surfaces. The machine offers three fixed stroke options (3.8, 4.2, and 4.7 mm), selected at purchase, with a simple user interface including a minimal display and three buttons for power and adjustment.

In contrast, the Ultron 4 Pro is shorter with an asymmetric cartridge placement for better grip and visibility. It employs premium materials, including titanium and carbon fiber, enhancing durability while maintaining lightness. The low center of gravity, coupled with thoughtfully positioned controls, results in superior ergonomics favored by artists preferring chunky grips. Stroke length is fully adjustable on the fly from 3.2 to 5.5 mm with smooth ring rotation, paired with an advanced anti-gravity system for customizable hit softness or firmness. A high-resolution screen remains in clear view during work, with intuitive button placement facilitating quick adjustments without interrupting flow.

For more detailed model options and custom configurations, visit the standard Ultron 3 series page and custom Ultron 3 series pages and also standard Ultron 4 Pro series and custom Ultron 4 Pro series.


Ultron 4 Pro Firestarter Ultron 4 Pro Firestarter
Ultron 4 Pro Space Ultron 4 Pro Space
Ultron 4 Pro Money Maker Ultron 4 Pro Money Maker
Ultron 3 By Sadhakaya Ultron 3 By Sadhakaya
Ultron 3 By Chapta Ultron 3 By Chapta
Ultron 3 Money Maker Ultron 3 Money Maker


Technical Specifications

The Ultron 3 is powered by the custom-designed M3Pro brushless motor delivering 12.6 watts with a flywheel for smooth, consistent hits. It operates over a frequency range of 30 to 130 Hz and supports precise 1 Hz increments. The machine offers three fixed stroke lengths: 3.7 mm for fine and medium lines, 4.2 mm for versatile use, and 4.7 mm for harder hits ideal for linework and blackwork. Its DirectPower control maintains stable power ensuring quicker pigment packing and less skin trauma. The machine measures 31 mm in diameter, 135 mm in length, and weighs 178 grams. The battery has a 2040 mAh capacity, providing 5 to 7 hours of continuous use with fast USB-C charging.

Ultron 4 Pro advances this foundation with the M3 Ultra motor, doubling the power output and maintaining absolute control even at ultra-low speeds starting at 10 Hz. Its innovative stroke system includes six adjustable lengths from 3.2 mm to 5.5 mm. The motor control leverages coil switching rather than voltage drops, locking voltage at 12V for unwavering hit consistency. The machine boasts 84+ hit types through its SmartHit technology, intelligently adjusting softness or sharpness to match the artist’s pressure and technique. Dimensions are compact at roughly 118 mm length with a weight near 282 grams, designed for optimal balance and wrist comfort. A premium 4000 mAh battery provides up to 10 hours of use, with fast charging and easy user battery replacement capabilities.

Check out all the technical details and model variations in the detailed review on the Ultron 4 Pro and another review article on the Ultron 3.

Performance and Quality

The Ultron 3 delivers smooth and powerful performance thanks to its M3Pro motor and StableHit technology, which ensures a consistent, sharp hit across its fixed stroke lengths. Artists appreciate its precision and reliability for a wide range of styles including lining, shading, and solid color packing. The machine operates quietly with minimal vibration, resulting in less hand fatigue during long sessions. Its DirectPower motor control maintains steady frequency regardless of cartridge stiffness or battery level, allowing consistent pigment saturation and cleaner lines.

Ultron 4 Pro takes versatility and control to the next level with over 84 unique hit types and a stroke range adjustable between 3.2 mm to 5.5 mm. Musicians benefit from its advanced SmartHit technology, which dynamically softens or sharpens the hit depending on pressure and needle load, perfectly adapting to any tattooing technique in real-time. The machine's ergonomic design and stabilizer mass diminish vibration while boosting stability even with large needle groups, enabling artists to execute both detailed fine work and bold fills effortlessly. Its whisper-quiet motor and intuitive menu enhance focus and workflow, making it a favorite among professionals who demand top-tier performance and customization.

Professional Experience and Reviews

Tattoo professionals praise the Ultron 3 for its reliable performance, ease of use, and ergonomic balance. Its fixed stroke lengths and StableHit technology provide consistent, sharp hits, making it trusted for lining, shading, and dense packing. Many artists highlight the machine’s lightweight design and minimal vibration as key factors reducing fatigue during long sessions. To hear a seasoned tattooist’s experience, watch the detailed Ultron 3 Honest Review by Joey Kintz on YouTube, where the artist discusses how the machine performs across various tattooing styles and its dependable usability.


Ultron 4 Pro impresses artists with its adaptability and sophisticated hit control. Its adjustable stroke system and multi-mode SmartHit settings allow seamless transitions between soft shading and bold lines without swapping machines. Ergonomic improvements and a higher-capacity battery make it ideal for marathon sessions where precision and comfort are essential. Professional tattoo artist Francesco Niccolini provides an in-depth overview of Ultron 4 Pro’s capabilities in his YouTube review of the Ultron 4 Pro, sharing firsthand insights into the machine’s performance, balance, and versatility.


Pricing and Value

The Ultron 3 is positioned as an accessible high-performance wireless tattoo pen, offering solid reliability and ergonomic benefits at a reasonable price point. It's ideal for artists seeking a dependable machine with proven technology and three fixed stroke options. The model lineup, including limited editions and custom designs, provides various choices to fit personal style and budget needs.

The Ultron 4 Pro carries a premium price reflecting its advanced technology, full stroke adjustability, and multifunctional hit modes. It appeals to professional artists demanding versatility and maximum performance in a single machine. The extended battery life and ergonomic enhancements justify its investment for those tackling demanding, varied tattooing styles. Current offers and potential discounts across both Ultron series models can be explored on Vlad Blad’s sale page, providing opportunities for cost savings on these elite tattoo machines.