Comparison

Opp App vs DutyFlow

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

Head to head
About

Opp App

Features
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With the Opp App, you can contribute to topics within your team and organisation. Answer questions, share ideas and see what matters to the group. With the Opp App you can: • join dialogues using the OPP code in your invitation; • answer questions and share ideas; • view results when they are available; • follow news and updates; • use multiple domains on one device; • see where you left off. Have you been invited? Enter your OPP code to open the relevant domain. The organiser manages its content and available dialogues. Information and support: https://www.letsopp.com

About

DutyFlow

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DutyFlow biedt alle functionaliteiten die je nodig hebt voor het plannen en oproepen van teams buiten de standaard werk- of openingstijden. Highlights: • Alle collega's bereikbaar op 1 nummer • Medewerkers bereikbaar op eigen telefoon • Eenvoudig wisselen van dienst • Vooraf diensten plannen • Registratie van meldingen • Registratie van gewisselde diensten • Automatische back-up • Herinneringen bij ingaan dienst • Overzicht van ingeplande diensten Onze maandelijkse abonnementsvormen zijn eenvoudig, voordelig en transparant. Elk abonnement is gebaseerd op het aantal medewerkers in een consignatiedienst. Je kunt je abonnement op elk gewenst moment (maandelijks) stopzetten. Let op: Om deze app te gebruiken heb je een organisatie account nodig. Vraag je beheerder naar je inloggegevens.

Screenshots

Opp App4 screens
DutyFlow4 screens

Verdict

The call

Opp App and DutyFlow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

UpkeepUpdate frequency

Opp App ships an update every 3 months, DutyFlow every 2 months. Both last shipped on November 6, 2026.

ScorecardNo meaningful differences
Opp App versus DutyFlow: the parameters behind the verdict, then further details
ParameterOpp AppDutyFlow
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad — betteriPhone
Requires iOS16.416.0 — better
Further details — not scored
Size28 MB16 MB
Age rating4+4+
DeveloperThe OppCompany B.V.OrcaGroup

In-app purchases

None

Opp App

No in-app purchases

None

DutyFlow

No in-app purchases

Questions

Is Opp App free?
Opp App is free to download, with no in-app purchases.
Is DutyFlow free?
DutyFlow is free to download, with no in-app purchases.
Do Opp App or DutyFlow have ads?
Neither Opp App nor DutyFlow shows ads.
Which is updated more often, Opp App or DutyFlow?
Opp App ships an update every 3 months, and DutyFlow every 2 months. Most recently, Opp App was updated on November 6, 2026 and DutyFlow on November 6, 2026.

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