Comparison

SIS VHL vs BatLib

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

Head to head
About

SIS VHL

Features
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This app is intended for students of Van Hall Larenstein in Leeuwarden and Velp. With this app, you will get mobile access to your schedule, results (grades and other results). You will receive messages about registration and grades, and you can register or unregister for courses and tests, minors and majors (specializations) This app gives you a better overview and insight into your studies. For more information check Studentnet. In case of questions you can get in touch with the Servicepoint.

About

BatLib

Features
Read full description

The BatLib app plays the different ultrasonic calls of most European bats, transformed into the audible range using the heterodyne mixer method. This is particularly useful for comparing directly with the output of the BATSCANNER device to help determine the species. 1. Enter the frequency that your BATSCANNER displays to filter the species 2. Listen to the typical bat call sequences 3. Compare the sound with what you hear from your BATSCANNER 4. Sounds similar? Read additional information about the bat species, such as acoustic characteristics, size, habitat, photos, etc. Further information about our bat products: www.batscanner.ch

Screenshots

SIS VHL4 screens
BatLib3 screens

Verdict

The call

The clearest difference is update cadence: SIS VHL at every 10 months against BatLib's every 26 months. SIS VHL also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

SIS VHL ships an update every 10 months, BatLib every 26 months. The most recent releases landed on September 18, 2026 and December 13, 2025 respectively.

Scorecard2 real differences ยท 4 level
SIS VHL versus BatLib: the parameters behind the verdict, then further details
ParameterSIS VHLBatLib
PriceFreeFree
Update frequencyEvery 10 months โ€” betterEvery 26 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 โ€” better15.0
Further details โ€” not scored
Size34 MB38 MB
Age rating4+4+
DeveloperCACI bvElekon AG

In-app purchases

None

SIS VHL

No in-app purchases

None

BatLib

No in-app purchases

Questions

Is SIS VHL free?
SIS VHL is free to download, with no in-app purchases.
Is BatLib free?
BatLib is free to download, with no in-app purchases.
Do SIS VHL or BatLib have ads?
Neither SIS VHL nor BatLib shows ads.
Which is updated more often, SIS VHL or BatLib?
SIS VHL ships an update every 10 months, and BatLib every 26 months. Most recently, SIS VHL was updated on September 18, 2026 and BatLib on December 13, 2025.

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