BATLOGGER Control vs Observation
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BATLOGGER Control
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Control and monitor your passive BATLOGGER devices with the BATLOGGER Control App. Change schedules and adjust settings. The app connects to the device via Bluetooth®. The following devices are supported: - BATLOGGER S2 - BATLOGGER C2 - BATLOGGER A2 Remote monitoring with BATLOGGER Connect. Manage devices and users. Get notified when a device needs attention.
Observation
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With Observation you can easily record nature observations in the field. Our online image recognition AI helps you identify the species on your images. You can choose to use the app offline anywhere in the world. Your observation data is stored on your phone first. Saved observations can be uploaded to Observation.org when online. This app is part of Observation.org; an EU-based platform for world wide biodiversity monitoring and citizen science. Observations that you save in your account are publicly visible for everyone who visits Observation.org. Take a look at the website to see what other observers have recorded and explore all data collected by our community. Observations are validated by species experts, after which the records are made available for scientific research.
Screenshots
Verdict
The clearest difference is update cadence: Observation at every 3 weeks against BATLOGGER Control's every 10 months. 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
BATLOGGER Control ships an update every 10 months, Observation every 3 weeks. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.
| Parameter | BATLOGGER Control | Observation |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 57 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Elekon AG | Observation International |
In-app purchases
BATLOGGER Control
No in-app purchases
Observation
No in-app purchases
Questions
Is BATLOGGER Control free?
Is Observation free?
Do BATLOGGER Control or Observation have ads?
Which is updated more often, BATLOGGER Control or Observation?
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