# Sefin Digital vs Solare Energie

The clearest difference is iOS requirement: Sefin Digital at 12.4 against Solare Energie'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.

Sefin Digital ships an update every 2 months, Solare Energie every 5 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sefin Digital | Solare Energie |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 12 MB | 105 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Fundacao de Ciencia Tecnologia e Inovacao](https://appshunter.io/developer/1362608407) | [WATTIO](https://appshunter.io/developer/1664854211) |

## What reviewers say

### Sefin Digital

[App page](https://appshunter.io/ios/app/sefin-digital/id1663546451)

Access municipal tax services virtually, including issuing tax payment slips and managing invoices. This app facilitates communication with the finance department, offering quick access to sought-after services.

**Highlights:** Issue IPTU and ITBI payment slips, Register and search for individual invoices, Consult ongoing processes, Contact finance department support, Access virtual municipal tax services

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

**In-app purchases:** none


### Solare Energie

[App page](https://appshunter.io/ios/app/solare-energie/id6780923087)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sefin Digital free?

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

### Is Solare Energie free?

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

### Do Sefin Digital or Solare Energie have ads?

Neither Sefin Digital nor Solare Energie shows ads.

### Which is updated more often, Sefin Digital or Solare Energie?

Sefin Digital ships an update every 2 months, and Solare Energie every 5 weeks. Most recently, Sefin Digital was updated on November 3, 2026 and Solare Energie on November 5, 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.*