Comparison

Screen Translator vs NSPower

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

Head to head
About

Screen Translator

Instantly translate any on-screen text with a simple double tap. Supports over 60 languages offline and integrates with AI chatbots for enhanced translations. Offers floating overlays on iPhone and full-screen views on iPad.

Highlights
  • On-screen text translation
  • Offline translation
  • 60+ languages supported
  • Automatic language detection
  • AI chatbot integration
  • Floating screen overlay (iPhone)
  • Full-screen view (iPad)
Read full description

Translate anything on your screen with a simple double-tap. TapTranslate captures your screen, recognizes text, and overlays the translation right on top of the original — so you can read foreign content without switching apps. HOW IT WORKS 1. Set up a shortcut with AssistiveTouch 2. Double-tap the floating button on any screen 3. See the translated text overlaid on the original image TWO TRANSLATION OPTIONS On-Device — Fast, private, works offline. Ideal for everyday use. AI Chatbot — Powered by Apple Intelligence for natural, context-aware translations when quality matters most. (For supported devices.) TWO DISPLAY MODES Floating Screen (iPhone-only) — A compact overlay that shows translations without opening the app. Quick and seamless. Full Screen — Result shown inside the app with richer controls. More room, more tools. KEY FEATURES • Translate any screen in any app — websites, social media, documents, messages • 60+ languages supported • Automatic language detection • Works completely offline with downloaded language packs • Customizable result appearance (text color, bounding box, font size) • Interactive translation view with zoom and additional controls FREE TRIAL Try TapTranslate free for 3 days. After that, a one-time purchase unlocks lifetime access — no subscriptions, no recurring fees.

About

NSPower

Features
Read full description

View the real-time operating status of energy storage equipment. Check status of control modules, such as MPPT, DCDC, inverter, BMS, etc. Check the status of the battery, protection information, historical records, etc.

Screenshots

Screen Translator4 screens
NSPower3 screens

Verdict

The call

The clearest difference is in-app purchases: NSPower at none against Screen Translator's 2. NSPower also leads on iOS requirement (13.0 vs 17.0). Screen Translator's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads 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. Screen Translator sells 2 one-off in-app purchases. NSPower asks for nothing beyond the download.

UpkeepUpdate frequency

Screen Translator ships an update every 5 days, NSPower every 3 weeks. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

Scorecard3 real differences · 7 level
Screen Translator versus NSPower: the parameters behind the verdict, then further details
ParameterScreen TranslatorNSPower
PriceFreeFree
Rating4.6 (48 ratings) — better—
Positive reviews78.9% of reviews—
Number of ratings48 — better—
Update frequencyEvery 5 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size105 MB28 MB
Age rating4+4+
DeveloperSK95 Engineering ABJiangsu Sooner Co., Ltd.

In-app purchases

2 purchases

Screen Translator

One-time2
  • 3-day TrialFree
  • Lifetime Access$3.99
None

NSPower

No in-app purchases

Questions

Is Screen Translator free?
Screen Translator is free to download, with in-app purchases available.
Is NSPower free?
NSPower is free to download, with no in-app purchases.
Do Screen Translator or NSPower have ads?
Neither Screen Translator nor NSPower shows ads.
Which is updated more often, Screen Translator or NSPower?
Screen Translator ships an update every 5 days, and NSPower every 3 weeks. Most recently, Screen Translator was updated on October 25, 2026 and NSPower on October 18, 2026.

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