Óptica Arromba vs Power4U
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Óptica Arromba
Read full descriptionHide full description
A Ótica Arromba tem inicio em Águeda em 1981, na cidade de Águeda, funcionando em conjunto com Ourivesaria. Dezasseis anos mais tarde, querendo dar resposta ao seu significativo crescimento, é inaugurado o seu 1° espaço independente da ourivesaria, reunindo assim todas as condições para satisfazer em pleno os seus clientes. Apostando sempre no profissionalismo e simpatia do atendimento, a Ótica Arromba dispôs desde logo de técnicos de ótica ocular especializados, assegurando assim um opimo serviço na execução dos óculos e na sua manutenção.
Power4U
Read full descriptionHide full description
Power4U charging bank with its excellent battery life, to ensure that your mobile phone power supply, so that the mobile phone is always fully charged, so that you completely bid farewell to the embarrassment and trouble of insufficient power. The Power4U Power Bank can be your strong power backup in Portugal, so that your communication and entertainment needs are met, no longer worry about power problems.
Screenshots
Verdict
The clearest difference is update cadence: Power4U at every 11 days against Óptica Arromba's every 3 months. Óptica Arromba's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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.
Óptica Arromba ships an update every 3 months, Power4U every 11 days. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.
| Parameter | Óptica Arromba | Power4U |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 113 MB |
| Age rating | 4+ | 9+ |
| Developer | Feediu | Carlos Goncalves |
In-app purchases
Óptica Arromba
No in-app purchases
Power4U
No in-app purchases








