Comparison

FieldTechELM vs TeraHive Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

FieldTechELM

Read full description

This app is used to give ELM Microgrid - Battery Energy Storage System owners, operators, and employees access to Testing, Commissioning, Preventative Maintenance, and Warranty tools and reporting features. All users will be either ELM employees or customers who have purchased ELM systems.

About

TeraHive Pro

Features

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Install smarter with TeraHive Pro. TeraHive Pro provides a streamlined workflow to ensure successful installations. From setup to on-site verification, TeraHive Pro empowers you to complete your installations efficiently and with confidence.

Screenshots

FieldTechELM3 screens

TeraHive Pro4 screens

Verdict

The call

FieldTechELM and TeraHive Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FieldTechELM ships an update every 5 weeks, TeraHive Pro every 4 weeks. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

ScorecardNo meaningful differences

FieldTechELM versus TeraHive Pro: the parameters behind the verdict, then further details
Parameter	FieldTechELM	TeraHive Pro
Price	Free	Free
Update frequency	Every 5 weeks	Every 4 weeks — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone	iPhone, iPod — better
Requires iOS	16.0	15.6 — better
Further details — not scored
Size	39 MB	125 MB
Age rating	4+	4+
Developer	ELM Fieldsight LLC	LITE-ON TECHNOLOGY CORP.

In-app purchases

None

FieldTechELM

No in-app purchases

None

TeraHive Pro

No in-app purchases

Questions

Is FieldTechELM free?

FieldTechELM is free to download, with no in-app purchases.

Is TeraHive Pro free?

TeraHive Pro is free to download, with no in-app purchases.

Do FieldTechELM or TeraHive Pro have ads?

Neither FieldTechELM nor TeraHive Pro shows ads.

Which is updated more often, FieldTechELM or TeraHive Pro?

FieldTechELM ships an update every 5 weeks, and TeraHive Pro every 4 weeks. Most recently, FieldTechELM was updated on October 6, 2026 and TeraHive Pro on October 10, 2026.