Koppo+ vs Voltcraft BTR Series
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Koppo+
This application enhances the functionality of intelligent motion-sensing metronomes and wireless drum machines. It integrates with these devices to provide a more intelligent user experience for musicians and rhythm enthusiasts.
- Intelligent motion-sensing metronome integration
- Wireless drum machine connectivity
- Enhanced device functionality
- Rhythm and music practice tool
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Koppo+ App is used in conjunction with intelligent motion-sensing metronome and wireless drum machine to make the product more intelligent.
Voltcraft BTR Series
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Voltcraft BTR Series APP is an one-stop APP solution to get connected with various Voltcraft measurement devices for the online & offline datalogging. Recorded data can be exported in .csv & .pdf format via email.
Screenshots
Verdict
The clearest difference is update cadence: Koppo+ at every 2 weeks against Voltcraft BTR Series's every 2 months. Koppo+ also leads on iOS requirement (8.0 vs 15.0). 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.
Koppo+ ships an update every 2 weeks, Voltcraft BTR Series every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Koppo+ | Voltcraft BTR Series |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 163 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | 八和弦科技(深圳)有限公司 | CEI Conrad Electronic International (HK) Limited |
In-app purchases
Koppo+
No in-app purchases
Voltcraft BTR Series
No in-app purchases
