Opp App vs DutyFlow
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Opp App
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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
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
Verdict
Opp App and DutyFlow are too close to call on the numbers: across 6 compared parameters ā price, update cadence, ads and in-app purchases among them ā 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Opp App ships an update every 3 months, DutyFlow every 2 months. Both last shipped on November 6, 2026.
| Parameter | Opp App | DutyFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 16.4 | 16.0 ā better |
| Further details ā not scored | ||
| Size | 28 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | The OppCompany B.V. | OrcaGroup |
In-app purchases
Opp App
No in-app purchases
DutyFlow
No in-app purchases









