SLM NV vs PresiTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLM NV
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Augmented Reality View of Klaus Union magnet driven Centrifugal Pump SLM NV. In order to use this app, you need to download and print a QR-code on a paper. Then you need to focus the camera view of the app onto this QR-code to view augmented reality features. You can download the QR-code here: http://www.klaus-union.de/Klaus-Union-AR-SLM-NV.1657.0.html
PresiTimer
This app helps you manage your presentation timing discreetly. It keeps your device's screen on and silent, allowing you to focus on your delivery without distracting sounds. Ideal for keeping track of your speaking time on stage.
- Silent operation
- Always-on display
- Discreet timing control
- Suitable for stage use
- Simple interface
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A simple presentation timer. Place your phone or iPad into your field of view to keep the timing of your presentation under control. PresiTimer does not play any sounds. The display stays on during a presentation.
Screenshots
Verdict
The clearest difference is in-app purchases: SLM NV at none against PresiTimer's 1. SLM NV also leads on iOS requirement (10.0 vs 26.0). PresiTimer's advantage is update cadence (every 2 months vs every 22 months). On price, ads 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. PresiTimer sells 1 one-off in-app purchase. SLM NV asks for nothing beyond the download.
SLM NV ships an update every 22 months, PresiTimer every 2 months. The most recent releases landed on October 12, 2026 and October 21, 2026 respectively.
| Parameter | SLM NV | PresiTimer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (4 ratings) — better |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 22 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 77 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Klaus Union GmbH & Co KG | Ivo Maag |
In-app purchases
SLM NV
No in-app purchases
PresiTimer
- PresiTimer Pro$1.99
Questions
Is SLM NV free?
Is PresiTimer free?
Do SLM NV or PresiTimer have ads?
Which is updated more often, SLM NV or PresiTimer?
Other comparisons
