zakuni Calculator vs Smart Spam Filter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
zakuni Calculator
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A seemingly ordinary and simple calculator, but there’s no equal (=) button. The calculation results are always displayed, eliminating the need for the extra step of pressing the equals button.
Smart Spam Filter
This AI-powered application automatically filters unwanted spam and smishing messages. It utilizes advanced AI models, both online and on-device, to detect and block new types of fraudulent texts in real-time. Additional features include custom blacklisting and whitelisting for enhanced control.
- AI-based spam/smishing filtering
- Online real-time AI detection
- On-device AI learning
- Keyword and number blocking
- Whitelist functionality
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Smart AI spam blocker app created by Korean AI researcher Stock adverts, Toto rooms, bank fraud texts, expert reading rooms... We have created a smart AI-based spam/smishing filtering app for those who are tired of countless spam texts and spam coming from new numbers even if you block them! Smart SMS spam/smishing auto filter app using the latest AI! AI mode without keyword registration! - Online AI: The smartest filtering to catch new types of spam and smishing in real-time. - On-device AI: Filtering done by AI on your phone that gets smarter every week. And more... - Blacklist word- and number-based blocking - Whitelist word and number-based filters Free yourself from spam!
Screenshots
Verdict
The clearest difference is in-app purchases: zakuni Calculator at none against Smart Spam Filter's 2. zakuni Calculator also leads on update cadence (every 2 weeks vs monthly). Smart Spam Filter's advantage is ads (none vs shown). On price, device support and iOS requirement 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. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. zakuni Calculator asks for nothing beyond the download.
zakuni Calculator ships an update every 2 weeks, Smart Spam Filter monthly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.
| Parameter | zakuni Calculator | Smart Spam Filter |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.4 (9 ratings) — better |
| Positive reviews | — | 98.1% of reviews |
| Number of ratings | — | 9 — better |
| Update frequency | Every 2 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 44 MB | 22 MB |
| Age rating | 4+ | 12+ |
| Developer | Kunio Ozawa | Junbum Lee |
In-app purchases
zakuni Calculator
No in-app purchases
Smart Spam Filter
- Buy a cup of coffee per month$2.991 Month
- Support a chicken per year$29.991 Year
Questions
Is zakuni Calculator free?
Is Smart Spam Filter free?
Do zakuni Calculator or Smart Spam Filter have ads?
Which is updated more often, zakuni Calculator or Smart Spam Filter?
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