# Log vs Deep Dive

The clearest difference is in-app purchases: Deep Dive at none against Log's 1. Log's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. Log sells 1 one-off in-app purchase. Deep Dive asks for nothing beyond the download.

Log ships an update every 4 days, Deep Dive every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Log | Deep Dive |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Size | 40 MB | 34 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mika masuda](https://appshunter.io/developer/1885758479) | [YUTO DOI](https://appshunter.io/developer/6792298513) |

## What reviewers say

### Log

[App page](https://appshunter.io/ios/app/log-thought-log/id6760690075)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Log Pro | $5.99 | one-time |


### Deep Dive

[App page](https://appshunter.io/ios/app/deep-dive/id6794658401)

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

**In-app purchases:** none


## Frequently asked questions

### Is Log free?

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

### Is Deep Dive free?

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

### Do Log or Deep Dive have ads?

Neither Log nor Deep Dive shows ads.

### Which is updated more often, Log or Deep Dive?

Log ships an update every 4 days, and Deep Dive every 5 days. Most recently, Log was updated on November 5, 2026 and Deep Dive on November 6, 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.*