# Diddit vs Mark.

The clearest difference is in-app purchases: Mark. at none against Diddit's 2. Mark. also leads on update cadence (daily vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Diddit sells 2 in-app purchases, starting at $1.99 per month. Mark. asks for nothing beyond the download.

Diddit ships an update monthly, Mark. daily. The most recent releases landed on October 21, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Diddit | Mark. |
| --- | --- | --- |
| 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 | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Freemium | — |
| Size | 18 MB | 8 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher LoSacco](https://appshunter.io/developer/1798483172) | [Geoform LLC](https://appshunter.io/developer/6816729855) |

## 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 |


### Mark.

[App page](https://appshunter.io/ios/app/mark-notes-and-lists/id6816729853)

**In-app purchases:** none


## Frequently asked questions

### Is Diddit free?

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

### Is Mark. free?

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

### Do Diddit or Mark. have ads?

Neither Diddit nor Mark. shows ads.

### Which is updated more often, Diddit or Mark.?

Diddit ships an update monthly, and Mark. daily. Most recently, Diddit was updated on October 21, 2026 and Mark. on October 16, 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.*