Unbrako vs KATO App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unbrako
This engineering reference app provides engineers with detailed product information and terminology for high-quality fasteners. It offers easy access to dimensions, seating torque values for standard applications, part numbers, and contact information.
- Fastener product details
- Engineering terminology
- Dimensional data
- Seating torque values
- Part number reference
- Contact details
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Unbrako is a fasteners eCommerce platform designed for customers and dealers to discover, purchase, and manage industrial fastening solutions with ease. Browse a comprehensive range of fasteners, explore detailed product information, and place orders through a streamlined shopping experience. Dealers can efficiently manage their business, while customers can quickly find the products they need for industrial and engineering applications. The app also includes the Unbrako Selector tool, available from the Profile section, to help users identify suitable fastening solutions based on their requirements. Key Features: - Browse a wide range of Unbrako fasteners. - Search products by category and specifications. - View detailed product information. - Add products to your cart and place orders. - Track and manage your orders. - Manage your account and saved information. - Dedicated experience for both customers and dealers. - Access the Selector tool from your Profile. Whether you're an individual customer, procurement professional, distributor, or dealer, Unbrako provides a convenient way to explore products and manage your fastener purchasing needs.
KATO App
This app provides a powerful search tool for helical coil screw thread inserts and related tooling. It features a comprehensive database with multiple search options and detailed technical information for various industry standards.
- Comprehensive database of helical coil screw thread inserts
- Four search options: Part Number, Style & Size, MS/MA, NAS/NA
- Product and technical information lookup
- Tooling suggestions (Air, Electric, Manual, Removal)
- Detailed technical specifications (dimensions, drill sizes, etc.)
- Compatibility with military and aerospace part numbers
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KATO Fastening Systems, the original inventor and manufacturer of the bi-directional Tangless® CoilThread® insert, is introducing the next version of the most powerful product search App for helical coil screw thread inserts and tools. More than just an update, this release is completely new. Optimized for the latest iOS, and is natively compatible for both iPhone and iPad! Built into the KATO App is the most comprehensive database on helical coil screw thread inserts. With four search options (KATO Part Number, Style & Size, MS/MA Number and NAS/NA Number), the KATO App makes it extremely easy to locate product & technical information, and tooling options for any Tangless or tanged screw thread insert! Tooling suggestions include: - Air Tools - Electric Tools - Manual Installation Tools - Removal Tools Technical information includes: - Military & Aerospace Part Numbers (NAS1130, NA0276, NASM21209, MS122 & MS124 Series, MA3329, MA3330, MA3331, MA3379, MA3380, and/or MA3381) - Free O.D. Dimensions - Number of Free Coils - Hole Preparation Procedures - Suggested Drill Sizes - Drilling Dimensions (per NASM33537) - Tapping Dimensions (per NASM33537) and more…
Screenshots
Verdict
The clearest difference is review sentiment: KATO App at 100% against Unbrako's 33%. KATO App also leads on rating (5.0 vs 2.6) and device support (3 vs 1). Unbrako's advantage is update cadence (every 3 weeks vs every 9 months) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KATO App holds the better App Store score, 5.0 against 2.6. That said, the two scores are not equally well evidenced: Unbrako has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 33% of Unbrako's written reviews are positive against 100% of KATO App's.
Unbrako ships an update every 3 weeks, KATO App every 9 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.
| Parameter | Unbrako | KATO App |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 5 — better | 1 |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 77 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Unbrako | KATO Fastening Systems |
Customer experience
Unbrako
KATO App
In-app purchases
Unbrako
No in-app purchases
KATO App
No in-app purchases








