Comparison

Polyglottos vs I'm Hero OBD2 Scanner

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

Head to head
About

Polyglottos

Translate and learn languages offline with over 200 supported languages. Features voice input/output, phrasebooks with transliterations, and a spaced repetition flashcard system. Prioritizes user privacy with no accounts or data collection.

Highlights
  • Offline translation for 200+ languages
  • Voice input and output
  • Phrasebook with transliterations
  • Spaced repetition flashcards
  • Multiple learner profiles
  • No account or data tracking
Features
Read full description

No wifi. No accounts. No tracking. Just translation. Translate between 200+ languages entirely on your device, with no internet connection required. TRANSLATION - Speak or type in one language, get output in another - Voice input with on-device speech recognition - Natural voice output with on-device text-to-speech - 200+ languages supported worldwide - Works in airplane mode, remote areas, or anywhere off-grid Translation and speech recognition quality varies by language pair. Works best with widely-spoken languages. QUICK PHRASES - Tap-to-speak phrasebook for 200+ languages - Transliterations for every phrase — read unfamiliar scripts phonetically - 16 categories: greetings, medical, directions, food, emergencies, and more - 15 Arabic dialects with dedicated phrasebooks LANGUAGE LEARNING - Spaced repetition flashcard system (SRS) - Listening and speaking card types - Transliterations for unfamiliar scripts - Multiple learner profiles - Set your own daily card limits per language PRIVACY - No accounts required - No data collection of any kind - No analytics, no ads, no crash reporting - Audio processed locally and deleted immediately - Nothing leaves your device. Ever. SUPPORTED LANGUAGES Custom text-to-speech voices: Arabic, Burmese, Dari, Hindi, Kazakh, Kyrgyz, Pashto, Persian (Farsi), Sindhi, Tajik, Turkish, Turkmen, Urdu, Uzbek Arabic dialect phrasebooks: Algerian, Egyptian, Emirati, Hassaniya, Iraqi, Jordanian, Lebanese, Libyan, Moroccan, Palestinian, Saudi, Sudanese, Syrian, Tunisian, Yemeni Regional dialect phrasebooks: Pashto (Afghan), Pashto (Pakistani), Spanish (Colombian), Spanish (Mexican), Spanish (Venezuelan), Portuguese (Brazilian), Portuguese (European), Korean (North) 200+ languages with translation: Acehnese, Afrikaans, Akan, Albanian, Amharic, Aragonese, Armenian, Assamese, Awadhi, Azerbaijani, Balinese, Balochi, Bambara, Banjar, Bashkir, Basque, Belarusian, Bemba, Bengali, Bhojpuri, Bosnian, Buginese, Bulgarian, Burmese, Cantonese, Catalan, Cebuano, Central Kurdish (Sorani), Chhattisgarhi, Chinese (Mandarin), Chinese (Wu), Chinese (Gan), Chokwe, Crimean Tatar, Croatian, Czech, Danish, Dari, Dinka, Dutch, Dyula, Dzongkha, English, Esperanto, Estonian, Ewe, Faroese, Fijian, Finnish, Fon, French, Friulian, Galician, Georgian, German, Greek, Guarani, Gujarati, Haitian Creole, Hausa, Hebrew, Hindi, Hungarian, Icelandic, Igbo, Ilocano, Indonesian, Irish, Italian, Japanese, Javanese, Jingpho, Kabiyè, Kabyle, Kamba, Kannada, Kashmiri, Kazakh, Khmer, Kikongo, Kikuyu, Kimbundu, Kinyarwanda, Korean, Kurdish (Kurmanji), Kurdish (Sorani), Kyrgyz, Lao, Latgalian, Latvian, Ligurian, Limburgish, Lingala, Lithuanian, Lombard, Luba-Kasai, Luganda, Luo, Luxembourgish, Macedonian, Magahi, Maithili, Malay, Malayalam, Maltese, Maori, Marathi, Meitei, Minangkabau, Mizo, Mongolian, Mossi, Nepali, Nigerian Fulfulde, Northern Sotho, Norwegian, Nuer, Nyanja, Occitan, Odia, Oromo, Pangasinan, Papiamento, Pashto, Persian (Farsi), Plateau Malagasy, Polish, Portuguese, Punjabi, Quechua, Romanian, Rundi, Russian, Samoan, Sango, Sanskrit, Santali, Sardinian, Scottish Gaelic, Serbian, Shan, Shona, Sicilian, Silesian, Sindhi, Sinhala, Slovak, Slovenian, Somali, South Azerbaijani, Southern Sotho, Spanish, Sundanese, Swahili, Swati, Swedish, Tagalog, Tajik, Tamasheq, Tamil, Tatar, Telugu, Thai, Tibetan, Tigrinya, Tok Pisin, Tsonga, Tswana, Tumbuka, Turkish, Turkmen, Twi, Ukrainian, Umbundu, Urdu, Uyghur, Uzbek, Venetian, Vietnamese, Waray, Welsh, Wolof, Xhosa, Yiddish, Yoruba, Zulu NOTES - Large initial download — wifi recommended for setup - First translation takes a moment while models load - After that, fast Free. No subscriptions. No in-app purchases.

About

I'm Hero OBD2 Scanner

Features
Read full description

Turn your car's cryptic check-engine light into something you can actually act on. I'm Hero OBD2 Scanner connects to a standard ELM327 OBD-II adapter over Bluetooth LE or Wi-Fi and shows what your car is doing — in plain language. • Live data — RPM, speed, coolant, fuel trims, O2, intake and more on clean gauges, showing only the parameters your car supports. • Trouble codes — read and clear stored, pending and permanent codes, each with a description and a freeze-frame snapshot from the moment it set. • Explain with AI — tap a code for a plain-English explanation of what it means, common causes, how serious it is, and typical next steps. • Emissions readiness — check the MIL status and which monitors are ready before an inspection or buying a used car. • VIN & vehicle info, battery voltage, and drive-session logging with charts and CSV export. No account. Your vehicle data stays on your device. Works with common ELM327 adapters (Veepeak, Vgate and similar). No adapter yet? Try the built-in Demo mode. A trouble code points to a symptom, not a guaranteed part — always have a professional confirm before repairs.

Screenshots

Polyglottos4 screens
I'm Hero OBD2 Scanner3 screens

Verdict

The call

Polyglottos and I'm Hero OBD2 Scanner are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

ScorecardNo meaningful differences
Polyglottos versus I'm Hero OBD2 Scanner: the parameters behind the verdict, then further details
ParameterPolyglottosI'm Hero OBD2 Scanner
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size1.3 GB2 MB
Age rating4+4+
DeveloperIn Situ Services, LLCRuslan Korennoy

In-app purchases

None

Polyglottos

No in-app purchases

None

I'm Hero OBD2 Scanner

No in-app purchases

Questions

Is Polyglottos free?
Polyglottos is free to download, with no in-app purchases.
Is I'm Hero OBD2 Scanner free?
I'm Hero OBD2 Scanner is free to download, with no in-app purchases.
Do Polyglottos or I'm Hero OBD2 Scanner have ads?
Neither Polyglottos nor I'm Hero OBD2 Scanner shows ads.

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