Inskrib vs EM3720
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inskrib
Control a portable LED display device remotely to showcase a variety of messages and emojis. Ideal for marketing, events, and personal use, it allows for quick message changes up to 30 feet away. The app also handles warranty registration and message organization.
- Remote LED display control
- Customizable messages
- Emoji support
- Message reordering
- Up to 99 messages
- Warranty registration
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Inskrib is an App controlled portable Light Emitting Diode (LED) display device ideal for a wide range of indoor and outdoor marketing and advertising purposes like Real Estate, Retailers, Store Fronts, Kids Events, Little League, Tailgating, Countdowns, Limo Drivers, Bars & Restaurants, DJ's, Dorm Rooms, Recording Studios, Vehicle Messages, Healthcare Facilities, Offices, etc. Using the Free App you can quickly display an exciting variety of messages with one quick swipe. You can control these message changes from as far as 30 feet away. When the App connects to the sign for the first time you will be asked to register using an email address. At that point we capture the date, time, email and unique ID of your sign for warranty purposes only. The one year warranty starts when you first connect to the sign. We do not use your email for any marketing purpose and we protect it from unauthorized use. Each sign you buy will require registration only once when you initially connect. After that you should be able to use all the signs you buy with just one App. The Emoji message is included to show you which Emoji's the sign currently displays. You can copy one or more and paste them into a new message or add them to an existing message to give it extra interest. Currently you can add up to 99 messages. You can easily re-order the messages by tapping the message number.
EM3720
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EM3720 App is for use with the EM3720 Meter. It enables your iOS device to View, Monitor, and Capture Pictures. As well as, Data Log the date/time stamped readings of the Smart Meter to Phones & Tablets. The exported test results can be shared via EMAIL, TEXT, PICTURE, and to EXCEL Wirelessly connects via Bluetooth to view AC voltage, DC voltage, Resistance, Continuity and Diode Test Saves Time and Money: 1.Identifies, alerts, captures and sends data instantly 2.Maximizes time – less re-checking 3.Problems captured - so repairs are easier Works on all iPhone, IPads, IPad Touches
Screenshots
Verdict
The clearest difference is iOS requirement: Inskrib at 9.0 against EM3720's 11.0. On price, update cadence, ads and in-app purchases 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.
Inskrib ships an update every 6 months, EM3720 every 4 months. Both last shipped on November 2, 2026.
| Parameter | Inskrib | EM3720 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 11.0 |
| Further details — not scored | ||
| Size | 19 MB | 6 MB |
| Age rating | 4+ | 17+ |
| Developer | Inskrib Inc. | ZHANGZHOU EASTERN INTELLIGENT METER CO., LTD. |
In-app purchases
Inskrib
No in-app purchases
EM3720
No in-app purchases









