Lya Translate vs PromptJet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Text translation
- Photo translation
- Voice translation
- Conversation translation
- Offline translation support
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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.
PromptJet
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lya Translate ships an update every 2 months, PromptJet fortnightly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.
| Parameter | Lya Translate | PromptJet |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | BIG MOUTH FROG NETWORK TECHNOLOGY LIMITED | Mehmet Tarhan |
In-app purchases
Lya Translate
No in-app purchases
PromptJet
No in-app purchases








