Screen Translator vs NSPower
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- On-screen text translation
- Offline translation
- 60+ languages supported
- Automatic language detection
- AI chatbot integration
- Floating screen overlay (iPhone)
- Full-screen view (iPad)
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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.
NSPower
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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
Verdict
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
Both are free to download. Screen Translator sells 2 one-off in-app purchases. NSPower asks for nothing beyond the download.
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.
| Parameter | Screen Translator | NSPower |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (48 ratings) — better | — |
| Positive reviews | 78.9% of reviews | — |
| Number of ratings | 48 — better | — |
| Update frequency | Every 5 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 105 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | SK95 Engineering AB | Jiangsu Sooner Co., Ltd. |
In-app purchases
Screen Translator
- 3-day TrialFree
- Lifetime Access$3.99
NSPower
No in-app purchases
Questions
Is Screen Translator free?
Is NSPower free?
Do Screen Translator or NSPower have ads?
Which is updated more often, Screen Translator or NSPower?
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