Comparison

Lya Translate vs PromptJet

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

Head to head
About

Lya Translate

Easily overcome language barriers while traveling with this app. It offers text, photo, voice, and conversation translation to help you understand signs, menus, and communicate with locals.

Highlights
  • Text translation
  • Photo translation
  • Voice translation
  • Conversation translation
  • Offline translation support
Features
Read full description

Do you often travel abroad? Do you encounter unfamiliar road signs or menus during your travels, or need to exchange a few words with foreign friends? If you encounter these difficulties during your travels, please don't panic. Language barriers are indeed a factor in international travel, but they are not insurmountable. Our translator supports text translation, photo translation, voice translation, and conversation translation. These translation methods can fully meet your translation needs when traveling abroad. Photo Translation: When you encounter unfamiliar road signs, directional signs, menus, or other image-based information, you can translate them by taking a photo. Conversation Translation: When you need to converse with foreign friends, I guarantee this is the most convenient function.

About

PromptJet

Features
Read full description

Meet your new Route Oracle. PromptJet is a voice-first travel concierge designed for the modern explorer who appreciates a sleek, seamless iOS experience. Stop wrestling with cluttered travel booking forms. Simply tap the pulsing microphone and dictate your journey just as you would speak to a human assistant: "I need a roundtrip from Rome to Paris next Friday for two people." PromptJet’s on-device acoustic engine instantly parses your intent, plots the cartography, and prepares a pristine Draft Manifest for your review. With one tap, the app consults the global travel network (powered by KAYAK) to secure your passage. KEY FEATURES: The Acoustic Engine: Lightning-fast, on-device voice recognition. Speak your origin, destination, dates, and party size in natural language. Modern Editing: Need to adjust a date? Use the clean, glassmorphic Draft Manifest to effortlessly toggle between One-Way and Roundtrip passages. Intelligent Cartography: Say "Flights from here," and PromptJet will securely ping your GPS to find the optimal departure airports near you. Aggregated Handoff: Once your dossier is complete, PromptJet securely hands you off to KAYAK to browse real-time global airline pricing and complete your booking. PRIVACY FIRST: Your voice belongs to you. PromptJet uses Apple’s native speech recognition. No audio files are ever recorded, stored, or transmitted to our servers. Your location is strictly used ephemerally to calculate your departure city. Ditch the endless scrolling. Speak your journey, and secure your passage with PromptJet.

Screenshots

Lya Translate4 screens
PromptJet4 screens

Verdict

The call

The clearest difference is update cadence: PromptJet at fortnightly against Lya Translate's every 2 months. Lya Translate's advantage is iOS requirement (15.6 vs 17.6). 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.

UpkeepUpdate frequency

Lya Translate ships an update every 2 months, PromptJet fortnightly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Lya Translate versus PromptJet: the parameters behind the verdict, then further details
ParameterLya TranslatePromptJet
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.6
Further details — not scored
Size14 MB8 MB
Age rating4+4+
DeveloperBIG MOUTH FROG NETWORK TECHNOLOGY LIMITEDMehmet Tarhan

In-app purchases

None

Lya Translate

No in-app purchases

None

PromptJet

No in-app purchases

Questions

Is Lya Translate free?
Lya Translate is free to download, with no in-app purchases.
Is PromptJet free?
PromptJet is free to download, with no in-app purchases.
Do Lya Translate or PromptJet have ads?
Neither Lya Translate nor PromptJet shows ads.
Which is updated more often, Lya Translate or PromptJet?
Lya Translate ships an update every 2 months, and PromptJet fortnightly. Most recently, Lya Translate was updated on October 31, 2026 and PromptJet on October 25, 2026.

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