i Metal Detector vs Visão Subnormal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i Metal Detector
This utility app transforms your iPhone into a metal detector using its magnetic field sensor. It detects nearby metal objects by measuring variations in the magnetic field. Be cautious not to hold your device too close to strong magnets to prevent potential damage.
- Uses iPhone's magnetic field sensor
- Detects nearby metal objects
- Measures magnetic field variations
- Simple and intuitive interface
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The metal detector applications using the magnetic field sensor of the iPhone. If you have any metal objects in the vicinity of the magnetic field varies iPhone. Holding your iPhone closer to the metal around. Electronics, and sensitive to the iron material. The stronger the magnet, please refrain from approaching. It can be the cause of the failure of the iPhone.
Visão Subnormal
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Visão Subnormal é uma lupa gratuita para iPhone criada para ajudar pessoas com baixa visão a ampliar textos, objetos e imagens do dia a dia. O app usa a câmera do aparelho em tempo real e oferece botões grandes para aumentar ou diminuir o zoom. Também inclui modos de visualização em cor, preto e branco, preto e branco invertido e alto contraste, além de controle de luz quando disponível. O aplicativo não exige login, não possui assinatura, não possui compras internas e não coleta dados pessoais. A imagem da câmera é processada localmente no dispositivo. O app é uma ferramenta de acessibilidade visual e não substitui avaliação, diagnóstico ou tratamento médico oftalmológico.
Screenshots
Verdict
The clearest difference is ads: Visão Subnormal at none against i Metal Detector's shown. Visão Subnormal also leads on update cadence (every 9 days vs every 2 months). i Metal Detector's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price 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.
i Metal Detector ships an update every 2 months, Visão Subnormal every 9 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | i Metal Detector | Visão Subnormal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (26 ratings) — better | — |
| Positive reviews | 29.6% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | Joao Dias |
In-app purchases
i Metal Detector
No in-app purchases
Visão Subnormal
No in-app purchases
Questions
Is i Metal Detector free?
Is Visão Subnormal free?
Do i Metal Detector or Visão Subnormal have ads?
Which is updated more often, i Metal Detector or Visão Subnormal?
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