Comparison

Blybahn vs J.F.V. Grotius

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

Head to head

Blybahn

Real people, real moments

About

Blybahn

Features

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Blybahn is a new European social media app. You share your favourite moments with family and friends, in private groups that you create yourself. No algorithm that decides what you see, but attention for one anothr. Instead of giving likes, you send a sticky: a handwritten or drawn note that's truly personal. And the feed has a clear end, so you never scroll endlessly.

About

J.F.V. Grotius

Features

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De J.F.V. Grotius-app, ontwikkeld door Youmie. Ben jij lid bij J.F.V. Grotius en wil jij op de hoogte gehouden worden over wat er allemaal speelt op onze vereniging? Download dan nu de app! Via onze app word je op de hoogte gehouden over aankomende evenementen, recent nieuws, bekijk de almanak, reageer je op elkaars prikbordberichten, tag je andere leden, bekijk je foto’s en nog veel meer. Ook vind je alle benodigde informatie over J.F.V. Grotius.

Screenshots

Blybahn4 screens

J.F.V. Grotius3 screens

Verdict

The call

The clearest difference is in-app purchases: J.F.V. Grotius at none against Blybahn's 6. Blybahn's advantage is update cadence (every 2 weeks vs every 4 months). On price, ads, device support and iOS requirement 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. Blybahn sells 6 one-off in-app purchases. J.F.V. Grotius asks for nothing beyond the download.

UpkeepUpdate frequency

Blybahn ships an update every 2 weeks, J.F.V. Grotius every 4 months. Both last shipped on October 30, 2026.

Scorecard2 real differences · 4 level

Blybahn versus J.F.V. Grotius: the parameters behind the verdict, then further details
Parameter	Blybahn	J.F.V. Grotius
Price	Free	Free
Update frequency	Every 2 weeks — better	Every 4 months
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.3	15.0 — better
Further details — not scored
Size	77 MB	49 MB
Age rating	12+	12+
Developer	Zooma B.V.	Youmie B.V.

In-app purchases

6 purchases

Blybahn

One-time6

10 diamonds$1.00
50 diamonds$3.99
100 diamonds$8.99

Show 3 more

250 diamonds$22.99
500 diamonds$44.99
1000 diamonds$89.99

None

J.F.V. Grotius

No in-app purchases

Questions

Is Blybahn free?

Blybahn is free to download, with in-app purchases available.

Is J.F.V. Grotius free?

J.F.V. Grotius is free to download, with no in-app purchases.

Do Blybahn or J.F.V. Grotius have ads?

Neither Blybahn nor J.F.V. Grotius shows ads.

Which is updated more often, Blybahn or J.F.V. Grotius?

Blybahn ships an update every 2 weeks, and J.F.V. Grotius every 4 months. Most recently, Blybahn was updated on October 30, 2026 and J.F.V. Grotius on October 30, 2026.