Comparison

Buggy World vs Learn Russian words with ST

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

Head to head
About

Buggy World

Explore the fascinating world of insects with detailed descriptions and fun facts. This app categorizes bugs into seven groups, using simple English and audio narration to make learning accessible for children. Discover their effects, causes, and importance in nature through engaging content and a quiz.

Highlights
  • Insect categorization (7 groups)
  • Detailed descriptions
  • Simple English explanations
  • Audio narration
  • Bug quiz section
  • Ecological importance information
Read full description

"Buggy World" is an application describing unusual and extraordinary details about insects. . "Buggy World" app categorizes bugs into 7 categories as Unusual, Dangerous, True , Common, Insects, Beetles, Butterflies and Moths. "Buggy World" app uses simple English sentences which makes it easier for kids to understand and learn. Audio aid in this application helps narrate the contents. There is also an option to mute the audio. This application describes the effects, causes and also importance of bugs in nature. There is fun question and answer in the Bug quiz section.

About

Learn Russian words with ST

This educational game uses visual and audio aids to teach new Russian vocabulary and spelling. Its "Smart-Teacher" function guides the learning process, making it an engaging way to build a strong foundation for reading and speaking skills.

Highlights
  • Visual and audio learning support
  • Smart-Teacher guidance function
  • Vocabulary building through games
  • Phonetic transcription and native speaker audio
  • Interactive word testing
  • Extensive topic list
  • Translation in over 40 languages
Features
Read full description

This self-teaching game helps to learn productively correct pronunciation and spelling through visual and audio support. For the correct organization of the learning process will help the function "Smart-Teacher". With this interesting and entertaining game you will be able to add new words from scratch to your vocabulary through playing. The vocabulary is the foundation for good oral and writing skills. Self-training every day can improve your knowledge in practice - reading, speaking, listening and literacy. It includes the translation of words more than 40 languages. The learning process consists of several stages: - Learning the alphabet, parts of speech, such as nouns, adjectives, verbs with phonetic transcription through flashcards and sound accompaniment by native speaker. - Testing of the knowledge of the words happens through fun and simple tests: • Choosing the right word for the picture. • Choosing the dynamic moving images for the words. • Writing words and spell check. This engaging and useful game of skill is a mobile tutor for self-study of vocabulary and phonetics on the elementary level. List of topics: colors, human body parts, domestic animals, wild animals, animal body parts, birds, insects, sea life, nature, natural phenomena, fruits, vegetables, food, kitchenware, home, home interior, bathroom, home appliances, tools, office, school supplies, school, numbers, geometric shapes, musical instruments, shop, clothes, shoes and accessories, toys, infrastructure, transport, travel, entertainments, information technology, human, society, professions, sport, summer sports, winter sports, prepositions. Terms of Use (EULA): http://devinco.me/terms.html

Screenshots

Buggy World4 screens
Learn Russian words with ST4 screens

Verdict

The call

The clearest difference is price: Learn Russian words with ST at Free against Buggy World's $2.99. Learn Russian words with ST also leads on update cadence (every 2 months vs every 13 months) and ratings volume (6 vs 1). Buggy World's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 1). On ads 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

Learn Russian words with ST is free to download; Buggy World costs $2.99 up front. Learn Russian words with ST sells 1 in-app purchase, starting at $5.99 per year. Buggy World asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Buggy World holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Learn Russian words with ST has 6 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Buggy World ships an update every 13 months, Learn Russian words with ST every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 3 level
Buggy World versus Learn Russian words with ST: the parameters behind the verdict, then further details
ParameterBuggy WorldLearn Russian words with ST
Price$2.99Free — better
Rating5.0 (1 ratings) — better4.3 (6 ratings)
Positive reviews100.0% of reviews—
Number of ratings16 — better
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS14.012 — better
Further details — not scored
Size48 MB82 MB
Age rating9+4+
DeveloperGomathy ShankaranRoman Vynokurov

Customer experience

Buggy World

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Learn Russian words with ST

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%

In-app purchases

None

Buggy World

No in-app purchases

1 purchases

Learn Russian words with ST

Subscriptions1
  • NO ADS 1 year$5.991 Year

Questions

Is Buggy World free?
Buggy World costs $2.99, with no in-app purchases.
Is Learn Russian words with ST free?
Learn Russian words with ST is free to download, with in-app purchases available.
Which has better reviews, Buggy World or Learn Russian words with ST?
Buggy World is rated higher. Buggy World averages 5.0 out of 5 from 1 ratings, while Learn Russian words with ST averages 4.3 from 6 ratings.
Do Buggy World or Learn Russian words with ST have ads?
Neither Buggy World nor Learn Russian words with ST shows ads.
Which is updated more often, Buggy World or Learn Russian words with ST?
Buggy World ships an update every 13 months, and Learn Russian words with ST every 2 months. Most recently, Buggy World was updated on November 1, 2026 and Learn Russian words with ST on November 3, 2026.

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