# Calflow vs DelayLock

The clearest difference is in-app purchases: DelayLock at none against Calflow's 3. DelayLock also leads on update cadence (every 2 days vs every 10 days) and review sentiment (100% vs 89%). Calflow's advantage is ads (none vs shown) and device support (4 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Calflow sells 3 in-app purchases, starting at $3.99 per month. DelayLock asks for nothing beyond the download.

Calflow ships an update every 10 days, DelayLock every 2 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Calflow | DelayLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (131 ratings)](https://appshunter.io/ios/app/calflow-planner-and-tracker/id6474122188/reviews)** | — |
| Number of ratings | **131** | — |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 183 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kyovan Ltd.](https://appshunter.io/developer/1712594394) | [Hot Future (guangzhou) Internet Co., Ltd](https://appshunter.io/developer/1896507889) |

## What reviewers say

### Calflow

[App page](https://appshunter.io/ios/app/calflow-planner-and-tracker/id6474122188)

This app integrates with your existing iOS Reminders and Calendars to help you track how you spend your time. It offers features for daily planning, time tracking, and goal setting, providing insights into your productivity within the Apple ecosystem.

**Highlights:** 2-way sync with iOS Reminders & Calendar, Time tracking for reminders and events, Time distribution insights, Powerful tag system for filtering, Goal and habit tracking, Apple Health and app usage sync

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly plan | $3.99 | per month |
| Annual plan | $12.99 | per year |
| One-time  purchase | $37.99 | one-time |

**What reviewers like**

- ⏱️ Excellent time tracking with automatic logging
- 📱 Seamless cross-device synchronization (iPhone, iPad, Mac, Apple Watch)
- 📅 Perfect integration with Apple Calendar and Reminders
- 🎯 Comprehensive goal-setting and insights features
- 🧩 Simple, intuitive user interface with low friction

**What reviewers complain about**

- 🐛 Timer synchronization issues across devices
- 🐛 Confusing insights calculation (double-counting existing calendar events)
- 🐛 Apple Watch complications not fully functional
- 🌙 No dark mode support
- 📱 iPad lacks some features available on iPhone

**Reported bugs**

- Timer doesn't sync across devices (iPhone to iPad/Mac)
- Live Activity not showing on iPad when timer active
- Apple Watch timers not accessible on other devices
- Widget display showing only black and white screen
- Insights double-counting time on existing calendar events

**Requested features**

- Dark mode support
- Mac menu bar timer widget
- Multiple simultaneous timers on iPhone
- Larger font size options
- Ability to copy and paste calendar events


### DelayLock

[App page](https://appshunter.io/ios/app/delaylock-focus-and-reminders/id6803391435)

This app helps you stay focused by blocking distracting apps and websites during timed sessions. You can set custom focus intervals, schedule blocking for specific hours, and track your progress. It integrates with Apple Reminders to keep your session goals visible.

**Highlights:** Customizable focus timer (15-120 mins), App and website blocking, Focus and break cycles, Integration with Apple Reminders, Scheduled blocking by weekday, Progress tracking and calendar, Early exit options (rewarded video/shake)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Calflow free?

Calflow is free to download, with in-app purchases available.

### Is DelayLock free?

DelayLock is free to download, with no in-app purchases.

### Do Calflow or DelayLock have ads?

DelayLock shows ads; Calflow does not.

### Which is updated more often, Calflow or DelayLock?

Calflow ships an update every 10 days, and DelayLock every 2 days. Most recently, Calflow was updated on November 8, 2026 and DelayLock on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*