# RADWI Smart Door Lock vs DogJournal

The clearest difference is in-app purchases: RADWI Smart Door Lock at none against DogJournal's 1. RADWI Smart Door Lock also leads on update cadence (every 2 months vs every 17 months) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. DogJournal sells 1 one-off in-app purchase. RADWI Smart Door Lock asks for nothing beyond the download.

RADWI Smart Door Lock ships an update every 2 months, DogJournal every 17 months. The most recent releases landed on September 10, 2026 and May 7, 2026 respectively.

## The numbers

| Metric | RADWI Smart Door Lock | DogJournal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Size | 54 MB | 5 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Waqar](https://appshunter.io/developer/1609866639) | [Otto Kiefer](https://appshunter.io/developer/1634632350) |

## What reviewers say

### RADWI Smart Door Lock

[App page](https://appshunter.io/ios/app/radwi-smart-door-lock/id1609866637)

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

**In-app purchases:** none


### DogJournal

[App page](https://appshunter.io/ios/app/dogjournal/id6450876621)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $6.99 | one-time |


## Frequently asked questions

### Is RADWI Smart Door Lock free?

RADWI Smart Door Lock is free to download, with no in-app purchases.

### Is DogJournal free?

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

### Do RADWI Smart Door Lock or DogJournal have ads?

Neither RADWI Smart Door Lock nor DogJournal shows ads.

### Which is updated more often, RADWI Smart Door Lock or DogJournal?

RADWI Smart Door Lock ships an update every 2 months, and DogJournal every 17 months. Most recently, RADWI Smart Door Lock was updated on September 10, 2026 and DogJournal on May 7, 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.*