# ULOCK vs Diecast Log

The clearest difference is in-app purchases: ULOCK at none against Diecast Log's 2. ULOCK also leads on device support (3 vs 1). Diecast Log's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, monetization model and iOS requirement there is nothing between them.

Both are free to download. Diecast Log sells 2 one-off in-app purchases. ULOCK asks for nothing beyond the download.

ULOCK ships an update every 2 months, Diecast Log every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ULOCK | Diecast Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/diecast-log-car-collection/id6740759782/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 52 MB | 53 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Uspace Tech Ltd.](https://appshunter.io/developer/1200776654) | [Chiu Yu-Tsung](https://appshunter.io/developer/1773899509) |

## What reviewers say

### ULOCK

[App page](https://appshunter.io/ios/app/ulock/id1453949429)

This app allows users to manage and share their smart parking spaces. Earn extra income by renting out your spot when not in use and enjoy the convenience of smart control. Contribute to a greener planet by reducing search time for parking.

**Highlights:** Smart parking space management, Earn income by sharing parking spots, One-tap control for parking barriers, View parking customer information, Track parking details and earnings, Contribute to reduced carbon emissions

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

**In-app purchases:** none


### Diecast Log

[App page](https://appshunter.io/ios/app/diecast-log-car-collection/id6740759782)

Organize and track your diecast car collection with barcode scanning, wishlists, and detailed stats. Manage your inventory, discover new arrivals, and share your collection progress easily.  It's also useful for cataloging other items with barcodes.

**Highlights:** Barcode scanning for quick item addition, Manage wishlists and catalogs, Track collection stats and value, New arrivals calendar, Shareable collection progress cards, Data backup and restore

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一鍵清除廣告 | $2.99 | one-time |
| Unlock Full Collection Analytics | $4.99 | one-time |


## Frequently asked questions

### Is ULOCK free?

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

### Is Diecast Log free?

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

### Do ULOCK or Diecast Log have ads?

Neither ULOCK nor Diecast Log shows ads.

### Which is updated more often, ULOCK or Diecast Log?

ULOCK ships an update every 2 months, and Diecast Log every 3 weeks. Most recently, ULOCK was updated on November 2, 2026 and Diecast Log on November 4, 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.*