KoolCode vs Wollo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KoolCode
This utility app provides quick, offline access to alarm and parameter codes for refrigeration controllers. It helps service technicians and engineers easily look up information without needing manuals or laptops.
- On-the-spot ADAP-KOOL controller information
- Alarm status and parameter descriptions
- Offline code lookup tool
- Quick code translation
- Hierarchical controller selection
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Save time and increase productivity with the Danfoss KoolCode app for ”on the spot” ADAP-KOOL® controller information Danfoss A/S presents KoolCode app that fast and easy provides service technicians, refrigeration engineers, in-store technicians, and others with on-the-spot access to alarm status and parameter descriptions for a range of Danfoss refrigeration controllers with a three digit display. Download this app to get a simple off-line tool to easily look up alarm, error, status, and parameter codes without bringing along the printed manual or laptop. Features: The KoolCode app offers three alternative ways to look up display codes: -Quick code translation without knowing exactly the controller type you are facing -Hierarchical controller selection among Danfoss refrigeration controllers
Wollo
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Wollo by E.D. permet une gestion intelligente et connectée de vos puits, réseaux d'eau et installations de pompage : Monitoring de vos pompes, variateurs de fréquence et groupes électrogènes ; Réception en temps réel et enregistrement de vos données (pression dans votre réseau, débits, niveaux piézométriques) ; Consigne en débit, pression ou niveau d'eau pour une régulation précise de votre installation. Modulable et évolutive, Wollo s'adapte à votre installation et offre de multiples fonctionnalités : Planification de démarrage et d'arrêt ; Sécurités et alarmes (haute pression, bris de conduite, baisse critique des niveaux d'eau) ; Navigation entre vos différents réseaux Ajout possible d'objets connectés (vanne, citerne, manomètre, ...) via l'outil d'administration externe d'Eurodrill Mode pompage d'essai à destination des bureaux d'études Contactez-nous : info@eurodrill.be
Screenshots
Verdict
The clearest difference is update cadence: Wollo at every 3 months against KoolCode's every 8 months. Wollo also leads on iOS requirement (13.0 vs 15.1). 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.
KoolCode ships an update every 8 months, Wollo every 3 months. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.
| Parameter | KoolCode | Wollo |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Danfoss A/S | DEUSE |
In-app purchases
KoolCode
No in-app purchases
Wollo
No in-app purchases
