HES Connect vs FieldForm
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
HES Connect
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*Able to connect to hardware such as FG4E, FG4C, WiFi gateway, GPRS gateway, FOMlink module. *By connecting the FOMlink module, you can initialize the Hyundai NO-LCD inverters, modify parameter settings, and upgrade firmware. *When installing the Hyundai series gateway, you can choose different communication ways to access the Internet; configure the gateway to send data directly to the 3rd party server. *When installing Hyundai series gateways, you can scan the Modbus bus and perform required configuration and maintenance. *When installing Hyundai and various types of gateways, the process of activating and creating a PV plant becomes simpler; even when encountering field problems, the configuration process and diagnostic data can be sent directly to the cloud.Timely access to technical services. *Operation and maintenance users with accounts can directly view data and alarms through mobile phones; according to different permissions, they can remotely control power plants.
FieldForm
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Use FieldForm to conduct location-bound measurements in the field, store the values on your phone, and share the measurements with other people. To use FieldForm for a set of locations with multiple people simultaneously, the use of an FTP-server is recommended. FieldForm is the successor to FieldLogger. It is build platform-independent in Flutter. The new structure makes it easier to add functionality or fix bugs. FieldForm is now completely open source. For more information, see the Github-page. For FieldLogger-users: there are some important changes between the files used or generated by FieldLogger and FieldForm. The file with location-data is a json file (instead of a csv in FieldLogger), to better incorporate the nested structure of the location-data. The measurement-data still consists of csv-files. The date-format however is changed to yyyy-mm-dd (instead of dd-mm-yyyy in FieldLogger), to minimise potential errors.
Screenshots
Verdict
The clearest difference is update cadence: HES Connect at every 3 weeks against FieldForm's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HES Connect ships an update every 3 weeks, FieldForm every 3 months. The most recent releases landed on September 8, 2026 and September 15, 2026 respectively.
| Parameter | HES Connect | FieldForm |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks โ better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 233 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | FOMWARE LIMITED | Artesia |
In-app purchases
HES Connect
No in-app purchases
FieldForm
No in-app purchases
Questions
Is HES Connect free?
Is FieldForm free?
Do HES Connect or FieldForm have ads?
Which is updated more often, HES Connect or FieldForm?
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