# FlexiPlanner, Time Blocking vs Cairn

The clearest difference is update cadence: Cairn at every 3 days against FlexiPlanner, Time Blocking's every 5 weeks. FlexiPlanner, Time Blocking's advantage is iOS requirement (16 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FlexiPlanner, Time Blocking sells 3 in-app purchases, starting at $3.99 per 7 days and Cairn sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

FlexiPlanner, Time Blocking ships an update every 5 weeks, Cairn every 3 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | FlexiPlanner, Time Blocking | Cairn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/flexiplanner-time-blocking/id6743813166/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 138 MB | 18 MB |
| Requires iOS | **16** | 18.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mohamed abd elaleem](https://appshunter.io/developer/650145564) | [Shrey Pinnada](https://appshunter.io/developer/6811047463) |

## What reviewers say

### FlexiPlanner, Time Blocking

[App page](https://appshunter.io/ios/app/flexiplanner-time-blocking/id6743813166)

This flexible day planner allows for effortless task adjustments in real-time with gesture-driven planning. It helps you stay focused on one task at a time with a countdown timer and offers customizable schedule views. Syncs with your native calendar and Apple Reminders for seamless organization.

**Highlights:** Effortless task adjustments, Gesture-driven planning, Countdown timer for focus, Customizable schedule views, Calendar and Reminders sync, Interactive productivity charts, Widgets and Live Activities

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features | $3.99 | per 7 days |
| Pro Features | $39.99 | per year |
| Pro Features | $49.99 | one-time |


### Cairn

[App page](https://appshunter.io/ios/app/cairn-your-second-brain/id6811047461)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cairn+ Lifetime | $14.99 | one-time |


## Frequently asked questions

### Is FlexiPlanner, Time Blocking free?

FlexiPlanner, Time Blocking is free to download, with in-app purchases available.

### Is Cairn free?

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

### Do FlexiPlanner, Time Blocking or Cairn have ads?

Neither FlexiPlanner, Time Blocking nor Cairn shows ads.

### Which is updated more often, FlexiPlanner, Time Blocking or Cairn?

FlexiPlanner, Time Blocking ships an update every 5 weeks, and Cairn every 3 days. Most recently, FlexiPlanner, Time Blocking was updated on November 4, 2026 and Cairn 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.*