CellVkey vs ±0正負零
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CellVkey
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Cellbedell system (CBD) is a easy access control system deploying BLE technology with edge and cloud computing for smart hospitality and property management industry. It truly improves managers and guests experience in a efficient and cost-effective way.
±0正負零
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1.远程控制空气净化器 2.远程控制风扇
Screenshots
Verdict
The clearest difference is update cadence: ±0正負零 at every 9 days against CellVkey's every 4 weeks. ±0正負零 also leads on iOS requirement (13.0 vs 15.4). 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.
CellVkey ships an update every 4 weeks, ±0正負零 every 9 days. The most recent releases landed on October 10, 2026 and September 28, 2026 respectively.
| Parameter | CellVkey | ±0正負零 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | NESTECH CORPORATION, LTD. | 冠源 余 |
In-app purchases
CellVkey
No in-app purchases
±0正負零
No in-app purchases
