# SIAM 2 vs Nota MT

The clearest difference is iOS requirement: SIAM 2 at 10.0 against Nota MT's 15.0. 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.

SIAM 2 ships an update monthly, Nota MT every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | SIAM 2 | Nota MT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (7 ratings)](https://appshunter.io/ios/app/nota-mt/id1466102117/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 36.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free |
| Size | 77 MB | 3 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SIAM INDUSTRIA DE AUTOMACAO E MONITORAMENTO LTDA.](https://appshunter.io/developer/1346976542) | [CEPROMAT](https://appshunter.io/developer/842130725) |

## What reviewers say

### SIAM 2

[App page](https://appshunter.io/ios/app/siam-2/id1346976543)

**In-app purchases:** none


### Nota MT

[App page](https://appshunter.io/ios/app/nota-mt/id1466102117)

This app encourages fiscal citizenship by rewarding users with prize drawings for requesting tax documents during purchases. Users register, provide their CPF on receipts, and select a social entity to benefit if they win. It aims to incentivize consumers to demand official receipts.

**Highlights:** Citizen fiscal incentive program, Prize drawings for tax document requests, CPF inclusion on fiscal documents, Social entity beneficiary selection, Mobile registration and participation

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

**In-app purchases:** none


## Frequently asked questions

### Is SIAM 2 free?

SIAM 2 is free to download, with no in-app purchases.

### Is Nota MT free?

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

### Do SIAM 2 or Nota MT have ads?

Neither SIAM 2 nor Nota MT shows ads.

### Which is updated more often, SIAM 2 or Nota MT?

SIAM 2 ships an update monthly, and Nota MT every 2 months. Most recently, SIAM 2 was updated on October 26, 2026 and Nota MT on October 29, 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.*