Power Reader vs Clank
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Power Reader
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Power Reader helps you read faster on any website โ without changing your habits. It works by bolding a cleverly chosen anchor of every word on the page. This visual trick leverages how your brain processes language, boosting word recognition and keeping your eyes moving smoothly across lines. **How it works** Power Reader uses a technique called perceptual micro-stimulation. By emphasizing these anchors, it gives your brain a head start on recognition โ so you read faster and with less effort. **Features** - Boldens a cleverly chosen anchor of every word on any Safari webpage - Works with every text and on all websites โ no exceptions - One-tap enable/disable via Safari Extensions - Zero data collection โ your browsing stays completely private - Lightweight and fast โ no performance impact **Privacy** Power Reader processes everything on-device. It never tracks you, never phones home, and never sees your browsing data. Period.
Clank
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Block distracting apps with a tag you choose. clank blocks the apps and websites you select. Pair an NFC tag or a printed QR tag, then leave it somewhere you have to get up for. Scan the same tag inside clank when you want your apps back. Free to download and use. No subscription or account required. Use a compatible NFC tag you own, or create and print a QR tag in the app. No Clank accessory is required. How it works 1. Allow Screen Time access and choose which apps and websites to block. 2. Pair a compatible NFC tag or a QR tag created in clank. 3. Scan your tag inside clank to block your selection. Scan it again to unclank. Keep the apps you need Create a mode for work, study, evenings or sleep. Choose a different block list for each mode and leave useful apps available. Set a time to unclank Once your tag is paired, start a timed clank without scanning it. Your apps come back when the timer ends. Set schedules for the days and times you choose. Make it harder to back out Strict mode restricts installing and deleting apps while clanked, including clank itself. Five emergency unclanks are included for urgent access or a missing tag. See your clanked time Review your sessions and the time you spent with distractions blocked, day by day and week by week. Keep your habits private Your modes, schedules and session history stay on your devices. No account or analytics. NFC works on supported iPhones with compatible tags. iPad uses QR tags. Screen Time permission and a paired tag are required for blocking, including timed clanks and schedules. QR tags use the camera inside clank. A copy works as the same tag, so keep copies out of reach too.
Screenshots
Verdict
The clearest difference is price: Clank at Free against Power Reader's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Clank is free to download; Power Reader costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Power Reader | Clank |
|---|---|---|
| Price | $0.99 | Free โ better |
| Update frequency | Every 5 days | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Apple Watch |
| Requires iOS | 16.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 2 MB | 67 MB |
| Age rating | 4+ | 4+ |
| Developer | Kessler Digital Ventures | DCTR s.r.o. |
In-app purchases
Power Reader
No in-app purchases
Clank
No in-app purchases









