# PadeLog vs J3Lab

The clearest difference is update cadence: PadeLog at every 2 weeks against J3Lab's every 6 weeks. J3Lab's advantage is iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PadeLog ships an update every 2 weeks, J3Lab every 6 weeks. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | PadeLog | J3Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 3 MB | 50 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshitaka Tanaka](https://appshunter.io/developer/1510093015) | [Plan Moriarty](https://appshunter.io/developer/1680337211) |

## What reviewers say

### PadeLog

[App page](https://appshunter.io/ios/app/padelog/id1586424565)

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

**In-app purchases:** none


### J3Lab

[App page](https://appshunter.io/ios/app/j3lab/id6799233734)

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

**In-app purchases:** none


## Frequently asked questions

### Is PadeLog free?

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

### Is J3Lab free?

J3Lab is free to download, with no in-app purchases.

### Do PadeLog or J3Lab have ads?

Neither PadeLog nor J3Lab shows ads.

### Which is updated more often, PadeLog or J3Lab?

PadeLog ships an update every 2 weeks, and J3Lab every 6 weeks. Most recently, PadeLog was updated on October 7, 2026 and J3Lab on September 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.*