Comparison

Previnet OTP vs MetalSky

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

Previnet OTP

This utility app generates unique, time-based verification codes for enhanced security when accessing web services. It supports multiple accounts and offers convenient activation via QR code or URL.

Highlights

Generates time-based verification codes
Provides enhanced security for web services
Supports multiple accounts
QR Code activation
URL activation

Features

Read full description

Previnet OTP (One Time Password) generates unique, time-based verification codes that provide additional security when signing in with Previnet web services. Features: - multiple accounts - QR Code activation - URL activation

About

MetalSky

Features

Read full description

App per la gestione dei progetti di MetalSky SA Quest'app viene utilizzata per uso interno e esterno in modo d centralizzare ogni informazioni su una piattaforma unica. Funzionalità: - Gestione dei cantieri - Condivisione di File - Giornale di cantiere - Report ore e verbale - Risorse Umane

Screenshots

Previnet OTP3 screens

MetalSky3 screens

Verdict

The call

The clearest difference is update cadence: MetalSky at every 3 weeks against Previnet OTP's every 3 months. MetalSky also leads on device support (3 vs 1) and iOS requirement (9.0 vs 16.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Previnet OTP ships an update every 3 months, MetalSky every 3 weeks. The most recent releases landed on October 23, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 5 level

Previnet OTP versus MetalSky: the parameters behind the verdict, then further details
Parameter	Previnet OTP	MetalSky
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 3 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone	iPhone, iPad, iPod — better
Requires iOS	16.6	9.0 — better
Further details — not scored
Size	19 MB	43 MB
Age rating	4+	4+
Developer	Previnet S.p.A.	Tigestim SA

In-app purchases

None

Previnet OTP

No in-app purchases

None

MetalSky

No in-app purchases

Questions

Is Previnet OTP free?

Previnet OTP is free to download, with no in-app purchases.

Is MetalSky free?

MetalSky is free to download, with no in-app purchases.

Do Previnet OTP or MetalSky have ads?

Neither Previnet OTP nor MetalSky shows ads.

Which is updated more often, Previnet OTP or MetalSky?

Previnet OTP ships an update every 3 months, and MetalSky every 3 weeks. Most recently, Previnet OTP was updated on October 23, 2026 and MetalSky on October 26, 2026.