Spotter vs SPK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spotter
This app allows users to track the location of children, the elderly, pets, and valuables using GPS devices. It offers features like real-time tracking, zone alerts, SOS messaging, step counting, and direct calling.
- Real-time GPS tracking
- Geofencing and zone alerts
- SOS emergency messaging
- Step counting and activity monitoring
- Direct calling functionality
- Alarm settings
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Spotter®… for everything you love User-friendly GPS trackers and GPS watches for children, the elderly, animals and valuables. The Spotter® app is a professional application developed for Spotter® users. View locations with the track and trace function, set zones, receive SOS messages, set alarms, view the number of steps and call each other. Just a small selection of functions you can use. Download the app and experience the benefits of Spotter® for yourself! Not a user yet? Go to www.spottergps.com and choose the product that suits you.
SPK
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SPK-ToolBox is a mobile companion built for sugar technologists, plant engineers and process operators who need fast, reliable, industry-grade calculations on the go. Combine essential calculators, accurate steam tables and reference data in one easy-to-use app. Key features: - Technical sucrose solution calculators: density, specific enthalpy, specific heat, dynamic viscosity, boiling point elevation, solubility coefficients, and more. - Saturated and superheated steam tables — search by pressure or temperature. - Flexible unit converter for engineering, chemistry and energy units. - Reference database: bulk densities, milk of lime properties, fuel LHV & CO₂ factors, optical rotation constants. Bilingual interface (English / French) and configurable appearance (Dark/Light).
Screenshots
Verdict
The clearest difference is update cadence: SPK at fortnightly against Spotter's every 6 weeks. 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.
Spotter ships an update every 6 weeks, SPK fortnightly. The most recent releases landed on October 18, 2026 and October 30, 2026 respectively.
| Parameter | Spotter | SPK |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 13.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0.0 |
| Further details — not scored | ||
| Size | 51 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Spotter BV | REDOUANE ABDELOUARIT |
In-app purchases
Spotter
No in-app purchases
SPK
No in-app purchases
