QIoT vs Barcode Holder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QIoT
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Q物聯網是由寬緯科技所提供設備物聯網的雲端服務平台, 用來收集與分析設備的即時資訊, 並可以提供遠端控制設備的功能. 目前Q物聯網所支援的設備皆由寬緯科技所提供, 其中包括有: QAM300DE, QAM300QC, QAM300RC, QAM300 產品系列用於水產養殖, 除了有水質監測與遠端水車控制的功能之外, 還具備了水質自動控制水車功能, 不但能幫助養殖戶即時監測與管理, 還能提供節電的功能.
Barcode Holder
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Barcode Holder lets you generate barcodes in multiple encodings (including EAN-13, Aztec code, QR code, Code39 and Code128) and manage them in easy ways. Widget supported, so you can make your barcodes in one stack on Home Screen.
Screenshots
Verdict
The clearest difference is in-app purchases: QIoT at none against Barcode Holder's 1. Barcode Holder's advantage is iOS requirement (15.0 vs 18.0). On price, update cadence, 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. Barcode Holder sells 1 one-off in-app purchase. QIoT asks for nothing beyond the download.
QIoT ships an update monthly, Barcode Holder fortnightly. The most recent releases landed on September 21, 2026 and October 3, 2026 respectively.
| Parameter | QIoT | Barcode Holder |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 30 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Quadlink-tech | TZU YING Wu |
In-app purchases
QIoT
No in-app purchases
Barcode Holder
- Upgrade$1.99
