Comparison

Aventus | Osiris vs Flex FoodBase

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

Head to head

Aventus | Osiris

OSIRIS for Aventus-students

About

Aventus | Osiris

Features

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Your grades, an updated timetable and the most important messages of Aventus. Don't miss out! Have a question? Check our FAQ (https://portaal.aventus.nl/knowledgebase-studenten/onderwerpen/osiris/null/qa-osiris?question=waar-kan-ik-terecht-met-vragen-over-osiris).

About

Flex FoodBase

Features

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Het volgen van een vak zal nooit meer hetzelfde zijn met de Flex app. Je krijgt automatisch notificaties als er een nieuw onderdeel beschikbaar is. Vergeten een toets te maken? De digitale coach helpt je herinneren. En: houdt contact met je coach en mede-cursisten. Dat is leren met Flex!

Screenshots

Aventus | Osiris4 screens

Flex FoodBase4 screens

Verdict

The call

The clearest difference is update cadence: Flex FoodBase at every 2 months against Aventus | Osiris's every 4 months. Aventus | Osiris's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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

Aventus | Osiris ships an update every 4 months, Flex FoodBase every 2 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 4 level

Aventus | Osiris versus Flex FoodBase: the parameters behind the verdict, then further details
Parameter	Aventus \| Osiris	Flex FoodBase
Price	Free	Free
Update frequency	Every 4 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	13.0
Further details — not scored
Size	34 MB	24 MB
Age rating	4+	4+
Developer	CACI bv	GroundControl BV

In-app purchases

None

Aventus | Osiris

No in-app purchases

None

Flex FoodBase

No in-app purchases

Questions

Is Aventus | Osiris free?

Aventus | Osiris is free to download, with no in-app purchases.

Is Flex FoodBase free?

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

Do Aventus | Osiris or Flex FoodBase have ads?

Neither Aventus | Osiris nor Flex FoodBase shows ads.

Which is updated more often, Aventus | Osiris or Flex FoodBase?

Aventus | Osiris ships an update every 4 months, and Flex FoodBase every 2 months. Most recently, Aventus | Osiris was updated on October 9, 2026 and Flex FoodBase on October 15, 2026.