PurpleTracker vs KAXFREE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PurpleTracker
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PurpleTracker is a smart App designed for pet owners. It's bulit-in presice GPS to track the pet's location in real time, and the GPS electronic fence function notify the owner when the pet crosses the boundary to ensure the pet's safety. Moreover, the APP also monitor the pet's exercise and health data to help owner know the pet's daily activities and health status.
KAXFREE
Control your smart coffee machine remotely, schedule brews, and customize recipes. Discover new features and usage scenarios through periodic updates, enhancing your coffee-making experience.
- Remote control of coffee machine
- Beverage creation
- Coffee scheduling
- Recipe customization
- Usage statistics
- Product tutorials
- OTA updates for new features
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KAXFREE is the app that connects to smart coffee machine products under the KAXFREE brand. It currently supports the SF1 series coffee machines (SF1 Max, SF1 Pro). By binding your coffee machine through the app, you can control its functions. The app provides services including remote control, beverage creation, coffee scheduling, recipe customization, usage statistics, and product tutorials. It also periodically unlocks more convenient smart usage scenarios and hidden features by OTA updates, making your coffee machine more fun and engaging.
Screenshots
Verdict
The clearest difference is update cadence: KAXFREE at monthly against PurpleTracker's every 4 months. PurpleTracker's advantage is iOS requirement (14.0 vs 16.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PurpleTracker ships an update every 4 months, KAXFREE monthly. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.
| Parameter | PurpleTracker | KAXFREE |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 79 MB | 109 MB |
| Age rating | 17+ | 4+ |
| Developer | HUIZHOU REDBOX ELECTRONICS CO,.LTD | Kaxfree (Suzhou) Coffee Machine Technology Co., Ltd |
In-app purchases
PurpleTracker
No in-app purchases
KAXFREE
No in-app purchases
