Vacuums vs Nextbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Nextbox
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Nextbox makes makes it quick and easy to maintain inbox zero. You don't have to be a superhuman to rock your email any more. Just scroll through your feed and emails are marked read as you see them. Pin the ones you want to follow up on later and the rest will drop below them when your feed refreshes.
Screenshots
Verdict
The clearest difference is ads: Vacuums at none against Nextbox's shown. Nextbox's advantage is update cadence (every 9 days vs every 6 months) and iOS requirement (14.0 vs 17.6). On price, 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.
Vacuums ships an update every 6 months, Nextbox every 9 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.
| Parameter | Vacuums | Nextbox |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Amnaj Sriwilai | Next Level Coder, LLC |
In-app purchases
Vacuums
No in-app purchases
Nextbox
No in-app purchases









