Peek vs LockCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Peek
See your upcoming calendar events and reminders instantly on your iPhone's Lock Screen or Dynamic Island. This productivity tool unifies your schedule, offering live countdowns and quick editing. Rediscover past moments with the "On This Day" feature and personalize your experience with custom themes.
- Live Activity on Lock Screen & Dynamic Island
- Unified calendar and reminders view
- Keyword search for events and reminders
- "On This Day" feature for past events
- Customizable themes
- Quick event editing
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"What's next?" - That question disappears. Peek is a productivity app that unifies your calendar events and reminders on iPhone. Glance at your Live Activity on the Lock Screen or Dynamic Island, and know what's coming — without opening any app. [Live Activity on Lock Screen & Dynamic Island] Your next event appears on the Lock Screen and Dynamic Island with a live countdown. "Team Standup in 23 min" updates every minute so you always know what's coming. [Calendar + Reminders United] Manage calendars alongside your reminders in one unified view. No more switching between apps. [Home Screen & Lock Screen Widgets] Analog clocks (classic, roman, arabic), calendar views with a heatmap of busy days, a photo widget, memo, D-Day counter, and more. Browse your month at a glance right from your Home Screen. [Landscape Layout] Rotate your iPhone to landscape and Peek automatically switches to a side-by-side layout that makes full use of the wider screen. See today's events and upcoming schedule together at a glance. [Pin & Drag-and-Drop] Pin important events to the top so they never get lost. Drag and drop events and reminders onto another date to reschedule them instantly. [Search] Quickly find past and upcoming events and reminders by keyword. Results are grouped by date so you can instantly locate what you need. [On This Day] Look back at what happened on the same day in previous years. Revisit past events and reminders to rediscover forgotten memories. [Various Themes] Choose from a variety of built-in themes, or create your own custom theme. Mix colors, gradients, and styles to express your unique personality. [Quick Event Editing] Edit events and reminders directly in the app. Change titles, times, and notes in a familiar Calendar-style editor. All changes are saved automatically. Privacy: All data stays on your device.
LockCal
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LockCal puts your schedule where you already look all day: on your Lock Screen. YOUR AGENDA AS A LIVE ACTIVITY Start your day's agenda with one tap — it stays visible as a card on the Lock Screen. Use the ‹ › buttons to page through the coming days right on the Lock Screen, without unlocking and without opening the app. FIVE DESIGNS Night Sky, Classic, Retro 2010, Minimal or Timeline — pick the layout that matches your Lock Screen. With calendar color dots, locations and a configurable number of events per page. WIDGETS ON TOP Your next events as a Lock Screen widget above or below the clock — plus a Home Screen widget. AUTOMATIC EVERY MORNING With a Shortcuts automation, your agenda starts into the day by itself and can clean itself up at night. YOUR DATA STAYS YOURS LockCal reads your calendar strictly on-device. No servers, no account, no ads, no data collection — the app does not even have internet access. ALWAYS FRESH If you like, LockCal reminds you shortly before iOS ends the Live Activity — one tap on the notification puts your agenda right back on the Lock Screen. FEATURES • Day agenda as a Live Activity with paging buttons on the Lock Screen • 5 designs, 3–6 events per page, 3 days to 2 weeks range • Toggle individual calendars, color dots, locations • Hide past events; ongoing multi-day events move to "Today" ("until Fri") • Reminder shortly before the Live Activity expires, with one-tap renewal • Lock Screen widgets (inline + rectangular) and a Home Screen widget • Shortcuts actions for automations ("Agenda to Lock Screen", "End agenda") • Dynamic Island glance with your next event • Fully localized in English and German
Screenshots
Verdict
The clearest difference is in-app purchases: LockCal at none against Peek's 1. Peek's advantage is update cadence (every 4 days vs monthly). On price, ads, 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. Peek sells 1 one-off in-app purchase. LockCal asks for nothing beyond the download.
Peek ships an update every 4 days, LockCal monthly. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.
| Parameter | Peek | LockCal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 11 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | dasol kim | Vladimir Popov |
In-app purchases
Peek
- Timi Premium$2.99
LockCal
No in-app purchases









