# 공감책방 vs When'd I

The clearest difference is price: 공감책방 at Free against When'd I's $2.99. 공감책방 also leads on iOS requirement (13.0 vs 15.0). When'd I's advantage is ads (none vs shown) and update cadence (every 3 days vs every 2 weeks). On in-app purchases and device support there is nothing between them.

공감책방 is free to download; When'd I costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

공감책방 ships an update every 2 weeks, When'd I every 3 days. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 공감책방 | When'd I |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Paid |
| Size | 51 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [A2Z Studio](https://appshunter.io/developer/1718258411) | [HyunWoo Lee](https://appshunter.io/developer/6791167449) |

## What reviewers say

### 공감책방

[App page](https://appshunter.io/ios/app/id6473127000)

**In-app purchases:** none


### When'd I

[App page](https://appshunter.io/ios/app/whend-i/id6801866888)

This app helps you track when you last performed specific tasks or activities. It visualizes the time elapsed since your last action and allows you to add photos and notes to each entry. Features include widgets and lock screen access for quick logging and checking.

**Highlights:** Track last performed activities, Visualize time elapsed, Add photos and notes, Home screen widgets, Lock screen logging, Optional evening nudge

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

**In-app purchases:** none


## Frequently asked questions

### Is 공감책방 free?

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

### Is When'd I free?

When'd I costs $2.99, with no in-app purchases.

### Do 공감책방 or When'd I have ads?

공감책방 shows ads; When'd I does not.

### Which is updated more often, 공감책방 or When'd I?

공감책방 ships an update every 2 weeks, and When'd I every 3 days. Most recently, 공감책방 was updated on October 5, 2026 and When'd I on October 8, 2026.

---

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