PSG vs Vacuums
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PSG
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Injection moulding problems and possible remedies Here you can find information and possible remedies with regard to the most frequently seen injection moulding problems.
Vacuums
This app assists automation engineers and systems designers in calculating parameters for vacuum handling systems. It helps determine workpiece requirements, holding force, and optimal dimensions for vacuum cups and hoses.
- Workpiece calculation
- Holding force calculation
- Vacuum cup diameter calculation
- Vacuum hose diameter calculation
- Evacuation time estimation
- Pump suction capacity calculation
- Vacuum unit converter
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Vacuum calculator for vacuum handling systems design guide suitable for automation engineering and systems designer. - workpiece calculation - holding force - vacuum cup diameter - vacuum hose diameter - evacuation time - suction capacity of pump - foam pad gripper calculation - vacuum unit convertor - vacuum flow convertor
Screenshots
Verdict
The clearest difference is update cadence: Vacuums at every 6 months against PSG's every 15 months. PSG's advantage is iOS requirement (8.0 vs 17.6). 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.
PSG ships an update every 15 months, Vacuums every 6 months. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | PSG | Vacuums |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 15 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 29 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Logics Software GmbH | Amnaj Sriwilai |
In-app purchases
PSG
No in-app purchases
Vacuums
No in-app purchases
