KOSTAL InverterApp vs TheFlex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KOSTAL InverterApp
Access and manage KOSTAL drive controllers with Bluetooth via your smartphone or tablet. Perform diagnostics, commissioning, and parameter settings remotely. Data records are compatible with PC software for seamless workflow.
- Bluetooth connectivity
- Wizard-guided commissioning
- Save and copy device settings
- Send data records via email
- Parameter settings in plain text
- Control drive controller
- Access process variables
- Error analysis and history
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The KOSTAL INVERTER app can be used to very simply access all KOSTAL drive controllers in the INVEOR family with Bluetooth via your smartphone or tablet. Convenient and rapid diagnosis and commissioning is therefore possible at any time and from anywhere. The following functions are available: • Wizard-guided commissioning • Save and copy device settings to other drive controllers • Send data records by e-mail • Stored support e-mail address • Parameter settings in plain text • Control mode, control the drive controller via your mobile end device • Access to all process variables • Device information • Error analysis, error history • Demo mode • Data records compatible with KOSTAL INVERTERpc software The app’s demo mode also allows it to be fully tested even without a drive controller. The data records are fully compatible with the familiar INVERTERpc PC software allowing data records to be produced with ease on the PC and loaded onto drive controllers using the app. Vice versa, the app can be used to read data records in the field, send them by e-mail and analyse them on the PC. If you have any questions, suggestions or comments, don’t hesitate to e-mail us at Drives@KOSTAL.com KOSTAL Industrie Elektrik GmbH
TheFlex
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TheFlex der innovative mobile Browser für Ihre SAP Logistik! TheFlex ist der Industriebrowser, der speziell für Anwendungsszenarien in der Logistik, im Außendienst und in der Produktion geeignet ist. Ideal für die Nutzung von Handhelds und Tablets in Kombination mit Webapplikationen von SAP wie SAP Fiori, SAP EWM RFUI Apps und ITSmobile ausgelegt. Zahlreiche Funktionen stehen Ihnen zur Optimierung Ihrer (intra-)logistischen Prozesse entlang der kompletten Supply Chain mit TheFlex zur Verfügung: • Standardisierte Schnittstellen zu Gerätefunktionen: TheFlex unterstützt Drucker, Kamera, Mikrofon und Barcode Scanning. Eine automatische Tastatur- und Cursorsteuerung sowie die Funktionen Vibration und Vorlesen zählen ebenso zum Spektrum. • Festhinterlegte URLS: Hinterlegen Sie feste URLs einmalig bei der Installation der App. Beim Start der App werden die relevanten URLs automatisch geladen. • Adminpasswort: Schützen Sie die Einstellungen des Browsers vor unautorisierten Zugriffen. • Dateien direkt anzeigen: Öffnen Sie ihre Dateien wie PDF, PNG, JPEG usw. direkt in der App. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: KOSTAL InverterApp at none against TheFlex's 2. KOSTAL InverterApp also leads on update cadence (every 2 months vs every 6 months). On price, ads, device support and iOS requirement 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. TheFlex sells 2 in-app purchases, starting at $6.99 per month. KOSTAL InverterApp asks for nothing beyond the download.
KOSTAL InverterApp ships an update every 2 months, TheFlex every 6 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.
| Parameter | KOSTAL InverterApp | TheFlex |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 78 MB | 14 MB |
| Age rating | 4+ | 17+ |
| Developer | KOSTAL Industrie Elektrik GmbH | Flexus AG |
In-app purchases
KOSTAL InverterApp
No in-app purchases
TheFlex
- License / Month$6.991 Month
- License / Year$68.991 Year









