Comparison

FarmDroid App vs HERF Battery

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

Head to head

About

FarmDroid App

Features

Read full description

FarmDroid is the world’s first fully automatic robot that can take care of both sowing and weed control. With the FarmDroid robot we help farmers and plant breeders reduce their costs of sowing and weeding and we even do it in a CO2 neutral and ecological way. The company FarmDroid ApS was founded in 2018 by the two brothers Jens Warming and Kristian Warming together with the Danish innovation environment Syddansk Innovation A/S and the acknowledged robot expert Esben Østergaard. So far in 2022, the FarmDroid has already seeded and weeded 18.000 hectares spread over UK, Canada and large parts of Europe.

About

HERF Battery

Features

Read full description

HERF Battery is a mobile application specially designed for balcony solar battery systems. It not only provides customers with a more convenient funtion of adding device and consise visual interface, but also enables to set personalized discharge time, helping users better manage the system.

Screenshots

FarmDroid App4 screens

HERF Battery3 screens

Verdict

The call

The clearest difference is update cadence: HERF Battery at every 2 days against FarmDroid App's monthly. HERF Battery also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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

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

FarmDroid App ships an update monthly, HERF Battery every 2 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

Scorecard2 real differences · 4 level

FarmDroid App versus HERF Battery: the parameters behind the verdict, then further details
Parameter	FarmDroid App	HERF Battery
Price	Free	Free
Update frequency	Monthly	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	13.0	11.0 — better
Further details — not scored
Size	77 MB	94 MB
Age rating	4+	17+
Developer	Farmdroid ApS	JUAN WANG

In-app purchases

None

FarmDroid App

No in-app purchases

None

HERF Battery

No in-app purchases

Questions

Is FarmDroid App free?

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

Is HERF Battery free?

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

Do FarmDroid App or HERF Battery have ads?

Neither FarmDroid App nor HERF Battery shows ads.

Which is updated more often, FarmDroid App or HERF Battery?

FarmDroid App ships an update monthly, and HERF Battery every 2 days. Most recently, FarmDroid App was updated on October 2, 2026 and HERF Battery on October 13, 2026.