# ThreadPocket vs When'd I

The clearest difference is price: ThreadPocket at Free against When'd I's $2.99. When'd I's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

ThreadPocket is free to download; When'd I costs $2.99 up front. ThreadPocket sells 3 in-app purchases, starting at $2.99 per month. When'd I asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ThreadPocket | When'd I |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/whend-i/id6801866888/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | — | Paid |
| Size | 181 MB | 30 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BEN-XU HUANG](https://appshunter.io/developer/1884777698) | [HyunWoo Lee](https://appshunter.io/developer/6791167449) |

## What reviewers say

### ThreadPocket

[App page](https://appshunter.io/ios/app/threadpocket-weblink-manager/id6760514569)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 月訂閱 | $2.99 | per month |
| Premium 年訂閱 | $29.99 | per year |
| 終生免廣告 | $19.99 | one-time |


### 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 ThreadPocket free?

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

### Is When'd I free?

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

### Do ThreadPocket or When'd I have ads?

ThreadPocket shows ads; When'd I does not.

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

ThreadPocket ships an update every 4 days, and When'd I every 4 days. Most recently, ThreadPocket was updated on October 7, 2026 and When'd I on October 25, 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.*