TELJAN vs Lustra
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TELJAN
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The mobile application "TELJAN" helps you to learn English on the basis of Kazakh at an in-depth level, including using the spelling of Kazakh words in Latin, since in Kazakhstan the transition of the Kazakh alphabet from Cyrillic to Latin will take place. The interface is designed in the following languages: English, Kazakh (Latin and Cyrillic). The application includes the following functions: - A random word card generator from the dictionary (there is a button to view the definition of a word); - Translator from Cyrillic to Latin Kazakh (there are buttons to copy translation, delete text); - Dictionary divided into categories: "Cognates" (words that sound the same in different languages), "Untranslatable Kazakh words", "Untranslatable English words", "Phraseological units, idioms", "Modern/New Kazakh words"; - Latin Kazakh alphabet (when you click on a letter, an example of a word with this letter comes out); - App’s info.
Lustra
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What governments work and vote on, explained simply. Lustra takes raw bills from parliaments and translates them into plain English instantly. No spin, just facts. • Search: Want to know what politicians are doing about Taxes or Tech? Type it in and see the raw drafts. • Vote: Support or reject bills. Popular ones rise to the top. • Act: Draft your own laws. Share generated summaries on social media to build pressure. 100 votes is noise. 10,000 votes is power. Politicians watch numbers. Make them watch yours. DISCLAIMER: Lustra is an independent, non-governmental app. It is NOT affiliated with, endorsed, authorized, or licensed by any government entity. This app is not an official government service. SOURCES OF INFORMATION: The information presented in the app is aggregated from the following official, publicly available government sources: • Poland: https://www.sejm.gov.pl • European Union: https://europarl.europa.eu • United States: https://www.congress.gov • United Kingdom: https://parliament.uk • Germany: https://bundestag.de • French: https://www.legifrance.gouv.fr All data is sourced directly from these official channels to ensure accuracy and transparency.
Screenshots
Verdict
The clearest difference is in-app purchases: TELJAN at none against Lustra's 5. TELJAN also leads on ads (none vs shown). Lustra's advantage is update cadence (every 4 days vs every 2 months) and iOS requirement (13.0 vs 16.2). On price 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
Both are free to download. Lustra sells 5 one-off in-app purchases. TELJAN asks for nothing beyond the download.
TELJAN ships an update every 2 months, Lustra every 4 days. Both last shipped on October 11, 2026.
| Parameter | TELJAN | Lustra |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Asel Zhanbekova | FO&WO VENTURES SP Z O O |
In-app purchases
TELJAN
No in-app purchases
Lustra
- Small tip$1.99
- Small tip$4.99
- Medium Tip$9.99
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- Large Tip$24.99
- Large Tip$49.99









