ET2900 vs Royzzz
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ET2900
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ET2900 is suitable for technicians and consumers. It is safe to use with its anti-heat characteristics and prevention against backfire electrical sparks that can occur during electrical system diagnosis. Function supported： 1. Battery Health Test 2. Start System Test 3. Charging System Test 4. Test Report Applicable battery types: 12V(Lead-acid battery, GEL battery and AGM battery) Supported battery standards: CCA、BCI、CA、MCA、JIS、DIN、IEC、EN、SAE、GB Support model: Mac Tools ET2900 Bluetooth Battery Clamps Mac Tools ET1600 Elite Code Reader
Royzzz
This loyalty app connects you to a premium selection of products and personalized rewards. Earn points on purchases, get exclusive deals, and stay updated on new arrivals and promotions. Enjoy convenient online ordering for pickup or in-store shopping.
- Loyalty rewards program
- Earn and track points
- Exclusive deals and promotions
- Product launch notifications
- Online ordering for pickup
- In-store shopping
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Welcome to Roy’zzz Zummer Club! Our loyalty app brings the best of Roy’zzz of South Dakota to your mobile device as a rewards member. We're dedicated to providing a premium selection of products and a personalized experience, offering online orders for pickup and in-store shopping. Earn and track points with every purchase. Plus, be the first to know about product launches, restocks, app-exclusive deals, in-store only promos, and more! Download the Roy’zzz Zummer Club app today and discover our huge range of fantastic products and amazing deals.
Screenshots
Verdict
The clearest difference is iOS requirement: ET2900 at 13.0 against Royzzz's 18.6. On price, update cadence, ads and in-app purchases 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.
ET2900 ships an update every 10 days, Royzzz every 2 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.
| Parameter | ET2900 | Royzzz |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (37 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 37 — better |
| Update frequency | Every 10 days — better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 50 MB | 72 MB |
| Age rating | 17+ | 17+ |
| Developer | Launch Tech Co., Ltd | ROYZZZ, LLC |
In-app purchases
ET2900
No in-app purchases
Royzzz
No in-app purchases
