Doss Engenharia vs flecha
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Doss Engenharia
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Somo criadores por natureza, apaixonados pelo que fazemos, sonhamos com um mundo onde as coisas simplesmente funcionem. Acesse suas obras e confira tudo sobre ela.
flecha
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O flecha veio para facilitar a vida do projetista! Com ele você dimensiona estruturas de uma forma rápida, prática e intuitiva! Basta adicionar os dados necessários, que o trabalho difícil ele faz por você. Com o flecha você pode: -dimensionar estruturas de concreto; -dimensionar estruturas de metal; -salvar os cálculos para te ajudar no futuro!
Screenshots
Verdict
The clearest difference is update cadence: flecha at every 3 days against Doss Engenharia's every 3 weeks. Doss Engenharia's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.5). On price, ads and in-app purchases 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.
Doss Engenharia ships an update every 3 weeks, flecha every 3 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | Doss Engenharia | flecha |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 11 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Felipe Ferezini | Matheus Benitez |
In-app purchases
Doss Engenharia
No in-app purchases
flecha
No in-app purchases
