Comparison

Unbrako vs KATO App

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

Head to head
About

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.

Highlights
  • Fastener product details
  • Engineering terminology
  • Dimensional data
  • Seating torque values
  • Part number reference
  • Contact details
Features
Read full description

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.

About

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.

Highlights
  • 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
Features
Read full description

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

Unbrako4 screens
KATO App4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Unbrako versus KATO App: the parameters behind the verdict, then further details
ParameterUnbrakoKATO App
PriceFreeFree
Rating2.6 (5 ratings)5.0 (1 ratings) — better
Positive reviews33.3% of reviews100.0% of reviews — better
Number of ratings5 — better1
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.68.0 — better
Further details — not scored
Size77 MB52 MB
Age rating4+4+
DeveloperUnbrakoKATO Fastening Systems

Customer experience

Unbrako

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews9 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

KATO App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Unbrako

No in-app purchases

None

KATO App

No in-app purchases

Questions

Is Unbrako free?
Unbrako is free to download, with no in-app purchases.
Is KATO App free?
KATO App is free to download, with no in-app purchases.
Which has better reviews, Unbrako or KATO App?
KATO App is rated higher. Unbrako averages 2.6 out of 5 from 5 ratings, while KATO App averages 5.0 from 1 ratings.
Do Unbrako or KATO App have ads?
Neither Unbrako nor KATO App shows ads.
Which is updated more often, Unbrako or KATO App?
Unbrako ships an update every 3 weeks, and KATO App every 9 months. Most recently, Unbrako was updated on October 11, 2026 and KATO App on October 6, 2026.

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