Comparison

BioLearn vs Ottor Mastar

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

Head to head
About

BioLearn

Prepare for biology exams with a comprehensive app offering diverse test formats to strengthen your understanding and identify weak areas. Ideal for high school students and aspiring medical professionals.

Highlights
  • Exam preparation for EGE and OGE
  • Comprehensive biology course coverage
  • Diverse test formats
  • Develops biological thinking
  • Identifies weak topics
Features
Read full description

Приложение для самостоятельной дополнительной подготовки к ЕГЭ, ОГЭ и другим экзаменам по биологии. Предлагаются различные задания по всему курсу биологии. Используются различные форматы тестов для развития биологического мышления и выявления слабых тем. Подходит для школьников 9-11 классов, для абитуриентов, поступающих на медицинские специальности.

About

Ottor Mastar

Features
Read full description

Ottor Mastar is an illustrated herbarium built from walks along a village road in Yakutia and through the National Garden Park in Ulaanbaatar, Mongolia. • 53 plant entries across two local collections • Field photographs and botanical illustrations in a 19th-century style • Plant names, habitats, flowering seasons, and cultural notes • Search by names and descriptions, with catalog filters • Sakha, Russian, English, Mongolian, and Chinese interface options, depending on the collection • Bundled plant descriptions and images work offline • Catalog updates and project news when an internet connection is available • No account, advertising, or tracking The botanical plates are contemporary illustrations, not archival scans. Traditional-use notes are included for cultural and historical interest only. This is not medical advice or a tool for identifying, gathering, or consuming wild plants.

Screenshots

BioLearn4 screens
Ottor Mastar4 screens

Verdict

The call

The clearest difference is iOS requirement: BioLearn at 13.0 against Ottor Mastar's 17.0. 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.

Scorecard1 real difference · 9 level
BioLearn versus Ottor Mastar: the parameters behind the verdict, then further details
ParameterBioLearnOttor Mastar
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequency—Every 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS13.0 — better17.0
Further details — not scored
Size114 MB29 MB
Age rating12+12+
DeveloperIrina MitenevaAlbert Nikanorov

In-app purchases

None

BioLearn

No in-app purchases

None

Ottor Mastar

No in-app purchases

Questions

Is BioLearn free?
BioLearn is free to download, with no in-app purchases.
Is Ottor Mastar free?
Ottor Mastar is free to download, with no in-app purchases.
Do BioLearn or Ottor Mastar have ads?
Neither BioLearn nor Ottor Mastar shows ads.

Other comparisons