Diesel CO2 vs ULOCK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Diesel CO2
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This is a can calculate the fuel consumption (diesel) and carbon dioxide emissions from utility.
ULOCK
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.
- 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
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【如何獲得地鎖？】 1. 立即下載 ULOCK Premium。 2. 前往 www.uspace.city 留下您的相關資訊，我們將立即與您聯繫。 3. 安裝完智慧地鎖後，即可開始智慧管理車位並與世界共享。 【如何開啟共享？】 1. 在配對地鎖完成綁定之後，即可完成登錄即可控制地鎖。 2. 於設定裡完成您的車位資料。 3. 在地鎖控制版面，按升起後選擇欲共享的最後時間。（例如您預計晚間八點回家，即可從離開車位時選擇 20:00） 4. 並可在您的訂單頁面看到完整停車客戶資訊。 5. 客戶離開後會將地鎖立起，並透過信用卡完成付費。 【如何分配收益？】 完成實名認證後，在每月底我們會把您的收益直接匯入您的個人帳戶。 【你會愛上 USPACE 的原因】 額外收入：我們計算過在您不在車位上的時間，每個月有超過 4800 元的價值。 愜意生活：換上智慧地鎖後，無論颳風下雨，日寒天暑都可以在您彈指之間一鍵升降。 更愛地球：共享車位後，將減少因為找車位而排放多餘的二氧化碳，並降低 30% 在路上尋找車位的車輛。
Screenshots
Verdict
The clearest difference is update cadence: ULOCK at every 2 months against Diesel CO2's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Diesel CO2 ships an update every 10 months, ULOCK every 2 months. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.
| Parameter | Diesel CO2 | ULOCK |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | Addison Mai | Uspace Tech Ltd. |
In-app purchases
Diesel CO2
No in-app purchases
ULOCK
No in-app purchases
