Metric Converters vs SpamSentry
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Metric Converters
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This is the Converter Maniacs Mobile Metric Converter. It can convert between twenty different metric prefixes: Yotta, Zetta, Exa, Peta, Tera, Giga, Mega, Kilo, Hecto, Deka, Deci, Centi, Milli, Micro, Nano, Pico, Femto, Atto, Zepto, and Yocto. Not only can it convert between all of those prefixes, but it will also give you the formula and illustrate what you are converting with pictures. The app is fast, intuitive, and easy to use. It is a standalone app, which means that it will work perfectly fine in places with little or no Internet access. We hope this will become one of your favorite utility apps on your phone.
SpamSentry
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SpamSentry is the smart spam call and message blocker that protects your peace. Built with Apple's CallKit and MessageFilter frameworks, it delivers system-level blocking that works even when the app is closed. KEY FEATURES: Community Blocklist Automatically sync with a curated database of known spam numbers. Updated regularly to catch the latest robocall campaigns and scam operations. Custom Blocklist Add specific phone numbers to your personal blocklist with custom labels. Manage your blocked numbers with ease using search and swipe-to-delete. Area Code Blocking Block entire area codes known for spam activity. One tap to silence all numbers from suspicious area codes. Contact Protection Never accidentally block someone you know. SpamSentry automatically protects your contacts from being added to the blocklist. Temporary Pause Expecting an important call from an unknown number? Pause blocking for 15 minutes, 30 minutes, or 1 hour with one tap. Extension Health Monitor Real-time monitoring of your CallKit extension status. Get alerts when the extension needs attention and repair it with a single tap. Number Search Quickly check if a phone number is in the blocklist. See whether it was blocked by the community database or your custom rules. Dashboard Stats Track how many calls have been blocked with daily and total statistics. See your protection status at a glance. PRIVACY FIRST: SpamSentry does not collect, store, or transmit any personal data. All your information stays on your device. No analytics, no tracking, no ads. HOW IT WORKS: 1. Download SpamSentry from the App Store 2. Enable SpamSentry in Phone Settings under Call Blocking and Identification 3. Enable SpamSentry in Messages Settings under Unknown and Spam 4. Sync the community blocklist 5. Enjoy a spam-free phone experience SpamSentry works at the system level using Apple's CallKit framework, so blocked calls are silenced before your phone even rings. Message filtering uses the IdentityLookup framework to automatically sort junk messages into a separate list. Take back control of your phone. Download SpamSentry today.
Screenshots
Verdict
The clearest difference is price: Metric Converters at $0.99 against SpamSentry's $3.99. Metric Converters also leads on iOS requirement (14.1 vs 17.0). On ads, in-app purchases and device support 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
Metric Converters costs $0.99 and SpamSentry $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Metric Converters | SpamSentry |
|---|---|---|
| Price | $0.99 โ better | $3.99 |
| Update frequency | Every 38 months | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 14.1 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | +4 | 9+ |
| Developer | H Valeur | ่ดบ ๅจ |
In-app purchases
Metric Converters
No in-app purchases
SpamSentry
No in-app purchases
Questions
Is Metric Converters free?
Is SpamSentry free?
Do Metric Converters or SpamSentry have ads?
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