FerruPractice vs HOLIS Admin
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FerruPractice
Gain practical knowledge for sealing beverage and food cans. This app provides essential information for effective can sealing techniques.
- Can sealing knowledge
- Beverage can sealing
- Food can sealing
- Practical application
- Sealing techniques
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Praxiswissen für das Verschliessen von Getränke- und Konservendosen
HOLIS Admin
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Administration of HOLIS operational disruption and crisis management services
Screenshots
Verdict
The clearest difference is update cadence: HOLIS Admin at every 5 days against FerruPractice's monthly. FerruPractice's advantage is iOS requirement (15.1 vs 18.0). 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.
FerruPractice ships an update monthly, HOLIS Admin every 5 days. The most recent releases landed on June 7, 2026 and September 16, 2026 respectively.
| Parameter | FerruPractice | HOLIS Admin |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (4 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.0 |
| Further details — not scored | ||
| Size | 18 MB | 94 MB |
| Age rating | 4+ | 4+ |
| Developer | Ferrum AG | CIM COMMUNICATION INFORMATION MANAGEME |
In-app purchases
FerruPractice
No in-app purchases
HOLIS Admin
No in-app purchases
