SLBLOCK vs Spool Zone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLBLOCK
This app allows you to unlock a smart Bluetooth lock using your smartphone. It offers keyless entry and can automatically unlock when your phone's Bluetooth is active and in range. Secure your belongings with this convenient, app-controlled locking solution.
- Smartphone unlocking via Bluetooth
- Keyless entry
- Automatic unlocking with active Bluetooth
- Secure storage for personal items
- App-based device binding
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你，我，他……我们每个人都会有一个需要守护的秘密或财物。 单身男需要把放气后的女朋友藏好，以免被爸妈发现;青年夫妇需要把皮鞭、制服等道具放在安全的地方，防止小孩子看到……如果这些你都不需要，那么外出时自行车、拉箱等东西总需要一把锁吧。 现在，一款智能蓝牙锁，就能帮我们解决这些问题，而且也不用担心需要的时候找不到钥匙了，因为这款智能蓝牙锁根本不用钥匙。 手机解锁：温柔一摸，芝麻开门 使用手机解锁时，使用者需要下载SLBLOCK的App，并通过蓝牙将SLBLOCK与手机绑定即可解锁。如果你手机上的蓝牙处于常开状态，那么你无需掏出手机，即可自动解锁。
Spool Zone
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【Key Features】 • Inventory Tracking: Keep track of your filament stock at all times and restock promptly to avoid running out • Usage History: Detailed records of filament usage per print for easy cost tracking • Cost Tracking: Accurately track the cost per gram of filament to make printing more economical • Categorized Management: Organize filaments by type, color, and other criteria • Data Sync: Cloud storage and multi-device access ensure your data is never lost 【Member Benefits】 • Add an unlimited number of consumables 【Official Website】 • https://spool.zone Make every print effortless and ensure every gram of consumable is used to its full potential!
Screenshots
Verdict
The clearest difference is in-app purchases: SLBLOCK at none against Spool Zone's 3. SLBLOCK also leads on iOS requirement (8.0 vs 13.0). Spool Zone's advantage is update cadence (weekly vs every 4 months). On price, ads 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. Spool Zone sells 3 one-off in-app purchases. SLBLOCK asks for nothing beyond the download.
SLBLOCK ships an update every 4 months, Spool Zone weekly. The most recent releases landed on June 1, 2026 and May 18, 2026 respectively.
| Parameter | SLBLOCK | Spool Zone |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 16.7% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | 键 张 | 玉文 赵 |
In-app purchases
SLBLOCK
No in-app purchases
Spool Zone
- SpoolZoneAir$4.99
- Lifetime Membership$7.99
- SpoolZonePro$7.99
