ZappID vs Sleek
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZappID
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Create your ZappID and send push notfictions fast and very easy by accessing a url or send a api-request.
Sleek
Organize your life with color-coded lists, priorities, and smart reminders. Capture ideas quickly and never forget important tasks with customizable notifications and widgets. Protect your private lists with biometric security.
- Color-coded task lists
- Priority setting
- Due dates and reminders
- Notes and attachments
- Quick task capture
- Customizable themes and fonts
- Biometric list locking
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## Description Sleek helps you manage tasks with clarity and style. Organize everything into color-coded lists, set priorities, due dates, and reminders - then get notified right on time. GET THINGS DONE • Create lists for work, personal, shopping, anything • Set High, Medium, or Low priority for every task • Pick due dates on a beautiful built-in calendar • Attach notes to tasks for extra context • Quick Tasks: swipe to instantly capture ideas NEVER FORGET • Smart reminders: at time, 15 min, 1 hour, or 1 day before • Repeating reminders: daily, weekly, monthly, or yearly • Home Screen widgets: due count, today's list, and a completion ring • Lock Screen widgets keep your day next to the clock • Complete tasks directly from notifications MAKE IT YOURS • Give every list its own color • Two hand-crafted looks: warm light and deep dark (or follow your system) • Lock private lists with Face ID or Touch ID SLEEK PRO Unlock unlimited lists and tasks, private lists, moving tasks between lists, and an ad-free experience. Choose monthly or yearly. Free users get up to 5 lists with 5 tasks each — plenty to get started. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kapps.us/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: ZappID at none against Sleek's 4. ZappID also leads on ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price 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. Sleek sells 3 in-app purchases, starting at $1.99 per month. ZappID asks for nothing beyond the download.
ZappID ships an update every 4 days, Sleek every 2 months. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.
| Parameter | ZappID | Sleek |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 days — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Fredrik Petersson | Kapps LLC |
In-app purchases
ZappID
No in-app purchases
Sleek
- Monthly3 Days trial$1.991 Month
- Yearly7 Days trial$17.991 Year
- Become a PRO Sleek user2 variants$4.99
