KEMPER HS2 vs TOPO.app
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KEMPER HS2
Configure and manage your KHS-HS2 Hygiene-Flushing Box. View settings, read flushing logs, and easily update firmware for your device.
- Configure Hygiene-Flushing Box
- Display adjustment values
- Read flushing logs
- Transmit firmware updates
- Manage KHS-HS2 settings
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With the KEMPER HS2 app you can totally configure the KHS-HS2 Hygiene-Flushing Box. It facilitates displaying the adjustment values and reads out the flushing logs. It is simple to transmit firmware updates for the KHS-HS2 through the app.
TOPO.app
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Our TOPO product family is the only radar system that can offer axle detection along with length and speed measurement. Its recording and classification functions – including an additional microphone for pinpointing the position of the engine block – open up new dimensions in traffic data capture. Our devices can be used on roads inside and outside of urban areas. They can be integrated in a standard reflector post or installed on various pole systems.
Screenshots
Verdict
KEMPER HS2 and TOPO.app are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
KEMPER HS2 ships an update every 4 months, TOPO.app every 2 months. The most recent releases landed on October 15, 2026 and October 27, 2026 respectively.
| Parameter | KEMPER HS2 | TOPO.app |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 — better | 16.6 |
| Further details — not scored | ||
| Size | 29 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Gebr. Kemper GmbH + Co. KG | RTB Elektronik |
In-app purchases
KEMPER HS2
No in-app purchases
TOPO.app
No in-app purchases
