# EMDEC vs Tech Master

The clearest difference is iOS requirement: EMDEC at 8.0 against Tech Master's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

EMDEC ships an update every 6 weeks, Tech Master every 2 months. The most recent releases landed on September 28, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | EMDEC | Tech Master |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 6.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 55 MB | 66 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [EMPRESA MUNICIPAL DE DESENVOLVIMENTO DE CAMPINAS SA](https://appshunter.io/developer/1502426683) | [ECONDOS SISTEMAS LTDA - ME](https://appshunter.io/developer/1144142573) |

## What reviewers say

### EMDEC

[App page](https://appshunter.io/ios/app/emdec/id1502426684)

Access municipal services and information on your mobile device. This app offers features for bus users, individuals with disabilities, cyclists, and drivers, including transit information, travel booking, traffic updates, and traffic violation management.

**Highlights:** Bus route and schedule consultation, QR code ticket purchase, PAI-Serviço travel booking, Traffic violation image viewing, Fine issuance and installment payments, Rotary parking zone sales map

**Features:** macOS Compatibility

**In-app purchases:** none


### Tech Master

[App page](https://appshunter.io/ios/app/tech-master/id6443438162)

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

**In-app purchases:** none


## Frequently asked questions

### Is EMDEC free?

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

### Is Tech Master free?

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

### Do EMDEC or Tech Master have ads?

Neither EMDEC nor Tech Master shows ads.

### Which is updated more often, EMDEC or Tech Master?

EMDEC ships an update every 6 weeks, and Tech Master every 2 months. Most recently, EMDEC was updated on September 28, 2026 and Tech Master on September 11, 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.*