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Comparison

QS.on vs infra

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

Head to head
QS.on
QS.on
Free
🔧 Utilities
No ratingsView app →
infra
infra
Free
🔧 Utilities
No ratingsView app →
About

QS.on

Read full description

Welcome to QS.on, the app for carrying out structured and efficient quality inspections. Perform your site inspections with state-of-the-art software. Signature-based log recording Documentation of weak points using the built-in camera Work at any location, even without a network connection Automated mail dispatch of results Construction site scheduling from previous systems All inspections always in view Standard interfaces from upstream and downstream systems Portal-supported management system Simplest operability Cost-efficient recording of inspections A programm from practice for practitioners.

About

infra

Features
Read full description

Arbeiten Sie mit unserem innovativen, interaktiven Plan, um Übersicht zu gewinnen und Zeit zu sparen. Ihre Inhalte werden per Fingertipp verortet und georeferenziert abgelegt. Dabei können Sie folgende Inhalte kommunizieren: *erfassen Sie Mängel *verorten Sie allgemeine Informationen *dokumentieren Sie Leistungsstände Unsere ID-gestützten Prozesse liefern eine georeferenzierte Dokumentation und ersparen wertvolle Zeit in der Nacharbeit. Ihr Prozess ist dauerhaft dokumentiert und begleitet Sie über das ganze Projekt hinweg.

Screenshots

QS.on4 screens
infra4 screens

Verdict

The call

The clearest difference is iOS requirement: QS.on at 12.2 against infra's 16.4. 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

QS.on ships an update every 6 weeks, infra every 5 weeks. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 5 level
QS.on versus infra: the parameters behind the verdict, then further details
ParameterQS.oninfra
PriceFreeFree
Update frequencyEvery 6 weeksEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.2 — better16.4
Further details — not scored
Size173 MB52 MB
Age rating4+4+
DeveloperLEW Verteilnetz GmbHbuilt[t] GmbH

In-app purchases

None

QS.on

No in-app purchases

None

infra

No in-app purchases

Questions

Is QS.on free?
QS.on is free to download, with no in-app purchases.
Is infra free?
infra is free to download, with no in-app purchases.
Do QS.on or infra have ads?
Neither QS.on nor infra shows ads.
Which is updated more often, QS.on or infra?
QS.on ships an update every 6 weeks, and infra every 5 weeks. Most recently, QS.on was updated on October 13, 2026 and infra on October 5, 2026.

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