Comparison

Metso Dynamic Service Key vs NuField

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

Head to head

Metso Dynamic Service Key

Smart Field Service

About

Metso Dynamic Service Key

Features

Read full description

Dynamic Service Key (DSK) is a tool that provides Metso employees and distributors access to advanced settings of crushing equipment. Only invited users can access the application.

About

NuField

Features

Read full description

The NuField mobile app by Nuvista is a brand new way to bring the full power of Field Service management to your mobile workforce. Improve first visit resolution by arming employees with this best-in-class solution. Field Service presents information in a clean and easy-to-use user interface and arms your workforce with the latest information.

Screenshots

Metso Dynamic Service Key3 screens

NuField4 screens

Verdict

The call

The clearest difference is iOS requirement: NuField at 11.0 against Metso Dynamic Service Key's 15.1. On price, update cadence, 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

Both ship on a similar rhythm, roughly every 21 months. The most recent releases landed on October 25, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 5 level

Metso Dynamic Service Key versus NuField: the parameters behind the verdict, then further details
Parameter	Metso Dynamic Service Key	NuField
Price	Free	Free
Update frequency	Every 21 months	Every 21 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.1	11.0 — better
Further details — not scored
Size	14 MB	56 MB
Age rating	4+	4+
Developer	Metso Finland Oy	Nuvista Technologies Pte Ltd

In-app purchases

None

Metso Dynamic Service Key

No in-app purchases

None

NuField

No in-app purchases

Questions

Is Metso Dynamic Service Key free?

Metso Dynamic Service Key is free to download, with no in-app purchases.

Is NuField free?

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

Do Metso Dynamic Service Key or NuField have ads?

Neither Metso Dynamic Service Key nor NuField shows ads.

Which is updated more often, Metso Dynamic Service Key or NuField?

Metso Dynamic Service Key ships an update every 21 months, and NuField every 21 months. Most recently, Metso Dynamic Service Key was updated on October 25, 2026 and NuField on October 6, 2026.