ZQDataLog vs Stream
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZQDataLog
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该APP能同时连接多至8个BLE传感器，以获取传感器数据；同时以曲线图显示，或保存数据并通过邮件附件发出数据，以便于工程师分析数据，完善算法和改善硬件性能。免责声明：所有通过APP获取的数据只能用于算法工程师做数据分析使用，不适用于医疗或健康咨询行业。
Stream
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Stream helps you keep track of important information over time. Never forget a detail again! Log a note for yourself anytime, and an automatic timestamp is stored alongside it. Automatic summaries give you insight in the trends that matter most to you, like finance, health, or personal productivity. Some example uses: - tracking credit card purchases - logging medication usage - weight watching - measuring your exercise over time Plus, it's 100% offline so the data never leaves your phone! You don't have to trust a third party to protect your data.
Screenshots
Verdict
ZQDataLog and Stream are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | ZQDataLog | Stream |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 榆 秦 | Rex Garland |
In-app purchases
ZQDataLog
No in-app purchases
Stream
No in-app purchases
