# MechTab vs HaasService

The clearest difference is review sentiment: MechTab at 89% against HaasService's 0%. HaasService's advantage is update cadence (every 2 weeks vs every 9 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

MechTab ships an update every 9 months, HaasService every 2 weeks. The most recent releases landed on October 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | MechTab | HaasService |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (16 ratings)](https://appshunter.io/ios/app/mechtab/id553201101/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | **88.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 32 MB |
| Requires iOS | **15.0** | 16 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Werder AG](https://appshunter.io/developer/553201104) | [Haas Automation, Inc.](https://appshunter.io/developer/906164608) |

## What reviewers say

### MechTab

[App page](https://appshunter.io/ios/app/mechtab/id553201101)

This app offers a comprehensive set of tools for mechanics, providing essential data on tolerances, threads, cutting speeds, wrench sizes, and roughness. It also includes calculators for material weight, triangle properties, and trowalisation.

**Highlights:** ISO-Tolerance data (holes and shafts), Thread specifications, Cutting data calculations, Wrench size conversions, Roughness parameters, Material weight calculator, Triangle property calculator

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### HaasService

[App page](https://appshunter.io/ios/app/haasservice/id1475693502)

Access a comprehensive library of service tools for Haas machines, including how-to guides, troubleshooting, and diagrams. Tailor results with machine serial numbers or keyword searches. Certified technicians can manage work orders, notes, and time tracking.

**Highlights:** How-To Procedures, Troubleshooting Guides, Diagrams and Manuals, Machine Serial Number Search, Keyword Search, Work Order Management, Time Tracking

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MechTab free?

MechTab is free to download, with no in-app purchases.

### Is HaasService free?

HaasService is free to download, with no in-app purchases.

### Do MechTab or HaasService have ads?

Neither MechTab nor HaasService shows ads.

### Which is updated more often, MechTab or HaasService?

MechTab ships an update every 9 months, and HaasService every 2 weeks. Most recently, MechTab was updated on October 24, 2026 and HaasService on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*