Smart Spam Filter vs Days Mark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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!
Days Mark
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Days Mark - Countdown & Anniversary Reminders (Lunar supported) A simple countdown / anniversary tracker with reminders: birthday reminders, wedding anniversaries, yearly milestones, holidays, and important deadlines. 【Key Features】 • Create and manage events, with Gregorian & Lunar calendar support • Countdown / count-up automatically calculated • Local notification reminders: advance reminders and recurring reminders • Optional cloud sync: sign in to sync your countdowns/anniversaries across devices • Dark mode (follows system) • Languages: English / 简体中文 【Use Cases】 • Countdowns: holidays, exams, trips, paydays, project launches • Anniversaries: birthdays, wedding anniversaries, relationship milestones, work anniversaries 【Privacy & Data】 • Works without an account (local-first) • If you choose to sign in for sync, we may use your email address • For reminders we may use device-related information Support: support@ultrex.tech
Screenshots
Verdict
The clearest difference is in-app purchases: Days Mark at none against Smart Spam Filter's 2. Days Mark also leads on update cadence (daily vs every 2 weeks) and iOS requirement (14.0 vs 16.0). 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. Smart Spam Filter sells 2 in-app purchases, starting at $2.99 per month. Days Mark asks for nothing beyond the download.
Smart Spam Filter ships an update every 2 weeks, Days Mark daily. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | Smart Spam Filter | Days Mark |
|---|---|---|
| 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 | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 23 MB | 30 MB |
| Age rating | 12+ | 4+ |
| Developer | Junbum Lee | Ultrex |
In-app purchases
Smart Spam Filter
- Buy a cup of coffee per month$2.991 Month
- Support a chicken per year$29.991 Year
Days Mark
No in-app purchases
Questions
Is Smart Spam Filter free?
Is Days Mark free?
Do Smart Spam Filter or Days Mark have ads?
Which is updated more often, Smart Spam Filter or Days Mark?
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