E_Test vs ISD Link
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E_Test
This app connects to Bluetooth meters to display real-time voltage, current, and power consumption. It allows users to view historical data through curves and supports DC, AC, and USB meters for simple, direct connection.
- Real-time voltage, current, power display
- View power consumption curves
- Connects to DC, AC, USB meters
- Simple Bluetooth connection
- Historical data viewing
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etest是一款连接蓝牙电表后可以实时查看电压电流功耗的app，查看电压电流功耗曲线。可连接直流交流usb三种表。使用非常简单，连接电表即可。
ISD Link
This app allows interaction with various smart devices. It prioritizes user privacy by saving all data locally and not collecting personal information. Bluetooth is required for device scanning and connection.
- Smart device interaction
- Local data saving
- No account registration
- Bluetooth connectivity
- Supports numerous device models
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ISD Link is an APP specially designed for smart device interaction. 1. ISD Link does not have an account registration function, and all data on the device is saved locally and will not be uploaded to remote servers. It promises not to collect user information. 2. During use of ISD Link, Bluetooth needs to be turned on for device scanning and connection. 3.ISD Link supports the following devices: TESTV co-branded model PB25DW, TESTV co-branded model PB40, MAG20, PB70W, PB40, PB50DW, PB10DW, PB25DW, ZIP, Power200 series, EDGE, NP2GO, 608PD, A8Air, A4Air, Air8, C4Air, B80 /B60, K4, X16, K2Air, NP2Air, LP2Air.
Screenshots
Verdict
The clearest difference is rating: ISD Link at 2.1 against E_Test's 1.8. ISD Link also leads on device support (4 vs 2). E_Test's advantage is iOS requirement (9.0 vs 13.0). On price, review sentiment, ratings volume and ads 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.
ISD Link holds the better App Store score, 2.1 against 1.8. Both are backed by a comparable volume of ratings — 31 and 23 respectively. Written reviews point the same way: 15% of E_Test's written reviews are positive against 21% of ISD Link's.
| Parameter | E_Test | ISD Link |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (31 ratings) | 2.1 (23 ratings) — better |
| Positive reviews | 15.4% of reviews | 21.0% of reviews — better |
| Number of ratings | 31 — better | 23 |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 20 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | 杰 唐 | 深圳艾斯特创新科技有限公司 |
Customer experience
E_Test
ISD Link
In-app purchases
E_Test
No in-app purchases
ISD Link
No in-app purchases
