Challenge Turnaround vs HOLIS Control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Challenge Turnaround
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Challenge Turnaround enables your company to control, improve and collect data on your turnarounds. Guide your turnaround coordinators with an overview of current and future turnarounds. Get reminders and alerts to prevent oversights and enhance your turnaround performance. Make predictions to estimate time and delays. Get an online view to check progress of turnarounds online in any station. Export your data to Excel and to PDF for reporting. For more information: itproject.chh@challenge-group.com
HOLIS Control
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- Measures service milestones during a stopover for an air carrier aircraft. - Visualization of delayed operations - Calculation of the probable time of departure - Displays the results of the measurements on the HOLIS GOC SaaS application, digital handbook for airline ground operations.
Screenshots
Verdict
The clearest difference is update cadence: HOLIS Control at weekly against Challenge Turnaround's every 5 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.
Challenge Turnaround ships an update every 5 weeks, HOLIS Control weekly. The most recent releases landed on September 9, 2026 and May 17, 2026 respectively.
| Parameter | Challenge Turnaround | HOLIS Control |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 29 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Challenge Handling | CIM COMMUNICATION INFORMATION MANAGEME |
In-app purchases
Challenge Turnaround
No in-app purchases
HOLIS Control
No in-app purchases
Questions
Is Challenge Turnaround free?
Is HOLIS Control free?
Do Challenge Turnaround or HOLIS Control have ads?
Which is updated more often, Challenge Turnaround or HOLIS Control?
Other comparisons
