21a OBMEP vs Dia Lab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
21a OBMEP
This app allows school administrators to digitize and submit student answer sheets for a math competition. It also facilitates the completion of administrative forms related to the competition.
- Digitize answer sheets
- Submit student responses
- Fill out administrative forms
- Digital submission of answer cards
- Complete RAIG and Shipping Document
Read full descriptionHide full description
Se você é responsável pela aplicação das provas da OBMEP em sua escola você pode usar este aplicativo para digitalizar e enviar os cartões resposta dos alunos selecionados na 1ª. fase da OBMEP ao invés de envia-los pelo Correios. Você poderá também preencher os RAIG e o Documento de Envio.
Dia Lab
Read full descriptionHide full description
Dia Lab - Aprenda Inteligência Artificial na prática O futuro já chegou - e o Dia Lab está aqui para te preparar. Com trilhas de aprendizado pensadas para estudantes e professores, o Dia Lab transforma conceitos complexos de inteligência artificial em experiências simples, práticas e envolventes. Aqui, você não só aprende sobre IA você aprende com ela.
Screenshots
Verdict
The clearest difference is update cadence: 21a OBMEP at every 4 days against Dia Lab's every 4 months. 21a OBMEP also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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.
21a OBMEP ships an update every 4 days, Dia Lab every 4 months. The most recent releases landed on October 24, 2026 and September 13, 2026 respectively.
| Parameter | 21a OBMEP | Dia Lab |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 21 MB | 192 MB |
| Age rating | 4+ | 4+ |
| Developer | Instituto de Matematica Pura e Aplicada | KANTTUM TECNOLOGIA EM EDUCACAO S.A. |
In-app purchases
21a OBMEP
No in-app purchases
Dia Lab
No in-app purchases
