Inventa VAS vs Lotek
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Inventa VAS
Access and download data from tracked animals via VECTRONIC devices. View positions, events, and collar information in tables or on a map, with offline access to downloaded data. Optimize internet traffic and storage usage.
- View and download animal tracking data
- Access data from VECTRONIC devices
- Display data in tables and on a map
- Offline access to downloaded data
- Optimized internet traffic and storage
- Share position and event data
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With the Inventa IOS application you can view and download the data from animals, tracked by your VECTRONIC devices. Seamlessly integrated into the Inventa platform, you can use one Inventa account to access the same data within the IOS application and the Inventa website. This includes: * data from all your collars * Positions, Mortality events, Mortality Implant events, Proximity events, Separation events, Trap events, and Vaginal Implant events * collar groups, animals, animal groups, etc Once downloaded you have access to it everywhere! All this data is displayed in tables and can be filtered. In addition to all this data being displayed in tables, the Position data is also shown on a map. This map supports multiple features, such as showing the device's current position and different map layers (satellite, terrain, etc). All the data that is downloaded by the application is stored in a local database on the device. As a result, you can login and see already downloaded data even when your device does not have Internet access. Further special features of the application include: * optimized download behaviour to reduce Internet traffic * sharing of Position and event data * configuration of local settings * possibility for multiple users to switch accounts using the same device To control how much Internet traffic and storage space the application consumes, you can change multiple settings. On the one hand, there is the data limit. The data limit determines how much data is downloaded and stored. On the other hand, there is the data refresh interval. This interval determines how often the application checks online for new data.
Lotek
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Easily access your study data using Lotek. Our web service app allows you to access your data on the go directly from your mobile device.
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Verdict
Inventa VAS and Lotek 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Inventa VAS ships an update every 11 days, Lotek fortnightly. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.
| Parameter | Inventa VAS | Lotek |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 11 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | VECTRONIC Aerospace GmbH | Lotek Wireless Inc |
In-app purchases
Inventa VAS
No in-app purchases
Lotek
No in-app purchases









