smaXtec vs Comet4
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
smaXtec
Monitor your dairy herd's health and reproduction status remotely. Receive alerts for critical actions and manage tasks like calvings and heats. The app synchronizes data even without an internet connection.
- Real-time cow and herd data access
- Calving and heat cycle tracking
- Push notifications for critical actions
- Task management for inseminations and support
- Offline data synchronization
- Animal health and reproduction status overview
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Access your cow and herd data on the go with the smaXtec App. Keep track of calvings, heats and changes of animal health and behavior at all times. Receive push notifications whenever you need to take action. Selected features of the smaXtec App: • Check your Tasks to see which animals require your attention and what actions you need to take (e.g. inseminations, calving support, dry-offs, …) • The animal list gives an overview of all your animals and their current health and reproduction state • If you need to keep an eye on selected cows, put them on the Watchlist. This allows you to monitor additional cows according to their needs. Add events such as calvings or pregnancy checks even when there is no Internet connection. Data will be synchronized as soon as your device reconnects. Select multiple cows at once to set the same action, e.g. add all inseminations at once, to save time and effort. Access your cows’ lactations and corresponding events inside the animal profile and add events (estrus, insemination, dry-offs, …) easily. Display cow data also in form of diagrams. Quickly navigate between events and gain deeper insights and understanding. Thanks to practical lists and recommended actions fast and appropriate actions can be taken. This improves animal health, reproduction success rates as well as financial gain. To access your cow and herd data, you also need to use smaXtec hardware. You’ll find more information here: www.smaXtec.com/en
Comet4
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Comet4 It is the first system on the market that allows to carry out an antibiotic screening test automatically and share the results in real time. Just apply a drop of milk to the test tube and Comet4 will automatically perform the test in less than 2.5 hours. Results are sent to your smart device, cloud account or email in real time.
Screenshots
Verdict
The clearest difference is update cadence: smaXtec at fortnightly against Comet4's every 6 months. smaXtec also leads on iOS requirement (13.0 vs 16.6). 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.
smaXtec ships an update fortnightly, Comet4 every 6 months. The most recent releases landed on September 4, 2026 and September 11, 2026 respectively.
| Parameter | smaXtec | Comet4 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 89 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | smaXtec animal care GmbH | Andres Mena Tobar |
In-app purchases
smaXtec
No in-app purchases
Comet4
No in-app purchases








