Comparison

Sensor vs LocalTranslate

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

Head to head
About

Sensor

Transform your iPhone and Apple Watch into live motion sensor tools. Stream data like accelerometer and gyroscope readings in real-time with smooth graphs and sampling rate information. Record and export captured data as CSV files for analysis and research.

Highlights
  • iPhone and Apple Watch sensor streaming
  • Accelerometer and gyroscope data
  • Gravity and magnetic-field measurements
  • Pitch, roll, yaw, quaternions, rotation matrices
  • Live sampling-rate display
  • Local recording with pause/resume
  • CSV file export and sharing
Features
Read full description

SensorStream turns your iPhone and Apple Watch into real-time motion sensor tools. Select a device, choose the sensor streams you need, and view smooth live graphs with sampling- rate information. Record sessions locally and export the captured data as CSV files for analysis, research, testing, or development. Features include: • iPhone and Apple Watch sensor streaming • Accelerometer and gyroscope data • Gravity and magnetic-field measurements • Pitch, roll, yaw, quaternions, and rotation matrices • Live sampling-rate display • Selectable sensor channels • Smooth, full-width graphs • Local recording with pause and resume controls • CSV file sharing and deletion • Light and dark appearance support Available streams depend on the selected device and its hardware capabilities. SensorStream excludes HealthKit-dependent biometric data.

About

LocalTranslate

Features
Read full description

LocalTranslate translates using only an AI model that runs on your device (Qwen3.5, MLX). No internet connection needed — the text, voice, and photos you translate are never sent anywhere. Typed-text translation is free forever. WHEN IT HELPS - Traveling abroad with no signal, in airplane mode, or on unreliable hotel Wi-Fi - Following a meeting or talk without the translation cutting off mid-speech - Translating confidential documents and emails without sending them to the cloud FEATURES - Translate typed text, speech, and camera or photo text - Live translation: keeps listening until you tap stop, translating each sentence as you speak - Cleans up fillers ("um", "uh") in speech before translating - Read translations aloud, copy them, or stop a translation midway - Back-translation to check quality at a glance, plus translation history TRANSLATION LANGUAGES Japanese, English, Chinese (Simplified), French, German, Spanish, Italian PRICING & CANCELLATION - Typed-text translation is free with no usage limits. - Voice input, live translation, camera translation, and read-aloud are part of a monthly Premium subscription with a 3-day free trial for new subscribers (price shown in the App Store and on the purchase screen). - Cancel at least 24 hours before the trial ends and you won't be charged. Cancel anytime from the app's Settings screen or in iPhone Settings > your name > Subscriptions. PRIVACY All translation happens on your device. No ads, no data collection, no third-party SDKs. Note: a one-time download of the AI model (about 1.8 GB) is required on first launch. Wi-Fi is recommended. The app's interface is available in 10 languages: Japanese, English, Chinese (Simplified/Traditional), Korean, Spanish, French, German, Portuguese, and Arabic. Contact: https://explorerslab-inc.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://explorerslab-inc.com/privacy

Screenshots

Sensor4 screens
LocalTranslate4 screens

Verdict

The call

The clearest difference is in-app purchases: Sensor at none against LocalTranslate's 1. On price, ads, device support and iOS requirement 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. LocalTranslate sells 1 in-app purchase, starting at $2.99 per month. Sensor asks for nothing beyond the download.

Scorecard1 real difference · 8 level
Sensor versus LocalTranslate: the parameters behind the verdict, then further details
ParameterSensorLocalTranslate
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequency—Every 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, Apple WatchiPhone, Apple Watch
Requires iOS18.017.0 — better
Further details — not scored
Size30 MB27 MB
Age rating4+4+
DeveloperYerim Lab LLCSami Kuribara

In-app purchases

None

Sensor

No in-app purchases

1 purchases

LocalTranslate

Subscriptions1
  • Premium (Monthly)3 Days trial$2.991 Month

Questions

Is Sensor free?
Sensor is free to download, with no in-app purchases.
Is LocalTranslate free?
LocalTranslate is free to download, with in-app purchases available.
Do Sensor or LocalTranslate have ads?
Neither Sensor nor LocalTranslate shows ads.

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