# Diddit vs When Did I Last

The clearest difference is iOS requirement: When Did I Last at 15.6 against Diddit's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Diddit sells 2 in-app purchases, starting at $1.99 per month and When Did I Last sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Diddit ships an update monthly, When Did I Last every 3 weeks. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Diddit | When Did I Last |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/diddit-shareable-logbook/id6783506911/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Freemium | — |
| Size | 18 MB | 37 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Christopher LoSacco](https://appshunter.io/developer/1798483172) | [AARON ROSS JACOBSEN](https://appshunter.io/developer/6795327692) |

## What reviewers say

### Diddit

[App page](https://appshunter.io/ios/app/diddit-shareable-logbook/id6783506911)

Create shared trackers for recurring life events with others. Easily log entries, view historical timelines, and manage household tasks, hobbies, or pet care. Your data is securely stored in iCloud with no third-party tracking.

**Highlights:** Create shared trackers, One-tap logging, Historical timelines, Private or shared groups, iCloud data storage, No third-party tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diddit Plus (Monthly) | $1.99 | per month |
| Diddit Plus | $19.99 | per year |


### When Did I Last

[App page](https://appshunter.io/ios/app/when-did-i-last-task-tracker/id6795327450)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Diddit free?

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

### Is When Did I Last free?

When Did I Last is free to download, with in-app purchases available.

### Do Diddit or When Did I Last have ads?

Neither Diddit nor When Did I Last shows ads.

### Which is updated more often, Diddit or When Did I Last?

Diddit ships an update monthly, and When Did I Last every 3 weeks. Most recently, Diddit was updated on October 4, 2026 and When Did I Last on September 29, 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.*