# When'd I vs J Plan

The clearest difference is update cadence: J Plan at daily against When'd I's every 4 days. J Plan also leads on price ($1.99 vs $3.99). When'd I's advantage is iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

When'd I costs $3.99 and J Plan $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

When'd I ships an update every 4 days, J Plan daily. Both last shipped on November 6, 2026.

## The numbers

| Metric | When'd I | J Plan |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| 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 | No | No |
| Ads | No | No |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Paid | — |
| Size | 34 MB | 10 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HyunWoo Lee](https://appshunter.io/developer/6791167449) | [Wen Wei Li](https://appshunter.io/developer/6807273354) |

## What reviewers say

### 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 provides a visual timeline, allows for photo and note attachments, and offers home screen widgets for quick logging and viewing overdue items. An optional daily nudge can remind you to log activities.

**Highlights:** Log last activity date, Visual timeline with time gaps, Attach photos and notes, Home screen widgets, Lock screen logging, Optional evening nudge, On-device data storage

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

**In-app purchases:** none


### J Plan

[App page](https://appshunter.io/ios/app/j-plan-daily-planner/id6807273352)

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

**In-app purchases:** none


## Frequently asked questions

### Is When'd I free?

When'd I costs $3.99, with no in-app purchases.

### Is J Plan free?

J Plan costs $1.99, with no in-app purchases.

### Do When'd I or J Plan have ads?

Neither When'd I nor J Plan shows ads.

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

When'd I ships an update every 4 days, and J Plan daily. Most recently, When'd I was updated on November 6, 2026 and J Plan on November 6, 2026.

---

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