SerproID vs Rentbrella
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SerproID
Utilize certificados digitais ICP-Brasil em dispositivos móveis com segurança e alta disponibilidade. Autentique-se e assine documentos eletrônicos com validade jurídica de qualquer lugar, sem a necessidade de dispositivos físicos.
- Mobile ICP-Brasil digital certificate use
- Electronic authentication
- Digital signatures
- Action history tracking
- Device and station management
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SerproID é um aplicativo desenvolvido pelo SERPRO que possibilita o uso de certificados digitais no padrão ICP-Brasil em dispositivos móveis, contanto com toda segurança e alta disponibilidade provida pela Nuvem segura do SERPRO. Com ele você pode usar seu certificado digital de onde estiver sem se preocupar em portar dispositivos criptográficos como tokens e cartões inteligentes e se autenticar em aplicações em sua estação de trabalho ou no próprio dispositivo móvel. Você terá maior agilidade para se identificar no meio eletrônico e realizar assinaturas digitais com validade jurídica sem complicações. Conheça as principais funcionalidades do aplicativo: - Autenticação: Por meio do aplicativo você poderá se autenticar no meio eletrônico com o uso de seu certificado digital - Assinaturas Digitais: Você poderá assinar transações e documentos eletrônicos com maior facilidade - Rastreabilidade: O aplicativo permite fácil visualização do histórico das ações realizadas com seu certificado digital - Cadastro de estações: Você terá total controle para habilitar ou desabilitar dispositivos e estações para uso do seu certificado digital Saiba mais sobre o aplicativo SerproID em: https://loja.serpro.gov.br/serproid
Rentbrella
Rent an umbrella from convenient stations to protect yourself from unexpected rain or sun. Simply find a station on the map, rent an umbrella via the app, and return it to any other station.
- Find nearby umbrella stations
- Rent umbrellas via QR code
- Durable, reinforced umbrellas
- Return umbrellas to any station
- Hydrophobic fabric technology
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Rentbrella is here to make your life easier and keep the city always within your reach. Unexpected rains and UV rays can't be an obstacle in your days, not anymore. Next time the weather gets in your way, go to the nearest Rentbrella station and start sharing. Our umbrellas are designed to endure the most intense of rains with their reinforced fibreglass structure and hydrophobic fabric technology. How to start using Rentbrella: 1. Create an account and register a credit card 2. Use the map to find the closest Rentbrella station 3. Tap "I want an umbrella" and scan the station's QR Code 4. Use the station keyboard to type in the code generated on the app 5. Withdraw the umbrella and enjoy the city 6. Return it in any other Rentbrella station using the app What's the use of owning an umbrella if we're always without it when it rains? For this reason and many others, we believe that through sharing we can achieve a more efficient, conscious and innovative world. — Can we help? If you want to know more about Rentbrella, visit us at rentbrella.com and if you have any questions, check our 'Help' tab inside the app, we'll get you sorted.
Screenshots
Verdict
The clearest difference is rating: SerproID at 4.8 against Rentbrella's 4.4. SerproID also leads on ratings volume (180 vs 56). Rentbrella's advantage is iOS requirement (12.0 vs 15.6). On price, review sentiment, update cadence and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SerproID holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 180 and 56 respectively. Written reviews split almost evenly too, at 48% and 48% positive.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.
| Parameter | SerproID | Rentbrella |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (180 ratings) — better | 4.4 (56 ratings) |
| Positive reviews | 48.3% of reviews — better | 48.0% of reviews |
| Number of ratings | 180 — better | 56 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 59 MB |
| Age rating | +4 | 4+ |
| Developer | Servico Federal de Processamento de Dados (SERPRO) | Rentbrella S.A. |
Customer experience
SerproID
Rentbrella
In-app purchases
SerproID
No in-app purchases
Rentbrella
No in-app purchases









