Comparison

Peek vs Shift

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

"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.

About

Shift

Features
Read full description

Shift Calendar は、勤務シフト・予定・メモを、ひとつのカレンダーでまとめて管理できるアプリです。 シンプルで見やすく、毎日使いやすい設計で、 勤務予定やスケジュールをすぐ確認できます。 ホームウィジェット・通知・バッジ表示にも対応。 端末内保存のため、すぐ使えて気軽に続けられます。 【シフト管理】 勤務シフトを連続で入力でき、色分け表示にも対応。 夜勤・日勤・休みなども見やすく整理できます。 【スケジュール管理】 日付や時間に紐づく予定を管理できます。 設定した日のみ表示され、通知・ウィジェット・バッジにも反映されます。

Screenshots

Peek4 screens
Shift4 screens

Verdict

The call

The clearest difference is in-app purchases: Shift at none against Peek's 1. Peek's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Peek sells 1 one-off in-app purchase. Shift asks for nothing beyond the download.

UpkeepUpdate frequency

Peek ships an update weekly, Shift every 2 weeks. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level
Peek versus Shift: the parameters behind the verdict, then further details
ParameterPeekShift
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.0 — better26.0
Further details — not scored
Size12 MB31 MB
Age rating4+4+
Developerdasol kimdaichi momose

In-app purchases

1 purchases

Peek

One-time1
  • Timi Premium$2.99
None

Shift

No in-app purchases

Questions

Is Peek free?
Peek is free to download, with in-app purchases available.
Is Shift free?
Shift is free to download, with no in-app purchases.
Do Peek or Shift have ads?
Neither Peek nor Shift shows ads.
Which is updated more often, Peek or Shift?
Peek ships an update weekly, and Shift every 2 weeks. Most recently, Peek was updated on October 28, 2026 and Shift on October 24, 2026.

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