kt world vs Quiet
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
kt world
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KTSmart, smart life, smart living
Quiet
This app filters and manages spam messages to keep your SMS inbox clean and organized. It offers flexible rule settings for blocking unwanted messages and categorizing important ones. Local filtering technology ensures your data remains private and secure on your device.
- Spam message filtering
- Message categorization
- Flexible rule settings
- Local data filtering
- User-friendly interface
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Quiet is an app dedicated to spam message filtering and management, aiming to create a clean and efficient SMS inbox. With flexible rule settings, it effortlessly blocks spam messages while supporting categorization features to keep important messages clearly organized. The local filtering technology ensures that all data is stored entirely on your device, effectively safeguarding your privacy and security. Its user-friendly and intuitive interface allows even first-time users to get started quickly.
Screenshots
Verdict
The clearest difference is price: kt world at Free against Quiet's $3.99. kt world also leads on iOS requirement (13.0 vs 17.0). Quiet's advantage is update cadence (every 3 days vs every 26 months). On ads, in-app purchases 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
kt world is free to download; Quiet costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
kt world ships an update every 26 months, Quiet every 3 days. Both last shipped on September 15, 2026.
| Parameter | kt world | Quiet |
|---|---|---|
| Price | Free — better | $3.99 |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 26 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 184 MB | 7 MB |
| Age rating | 12+ | 4+ |
| Developer | Shunde Kingtec Appliance Co., Ltd. | 冠弛 任 |
In-app purchases
kt world
No in-app purchases
Quiet
No in-app purchases
