3830 Viewer vs ET2900
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3830 Viewer
Easily navigate and view contest details from 3830scores.com on your mobile device. Quickly check scores grouped by category, ideal for on-the-go access after events.
- Easy navigation of 3830scores.com
- View current and recent contests
- Switch between contest lists
- See scores grouped by category
- On-the-go score checking
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This app will give you easy navigation on 3830scores.com website. From launch screen, you can choose current or recent contests to see details or switch tab (bottom) to choose from all list of contests. Choose contest, then year, you can see score listing grouped by category, similar to score summary page of 3830scores.com It is ideal when you are on the way and quickly check 3830 score website, maybe after contest-pedition and at the airport on the way back home. Note: You cannot view contests which are held more than once per year, e.g. BARTG SPRINT 75.
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
Screenshots
Verdict
The clearest difference is update cadence: ET2900 at every 10 days against 3830 Viewer's every 4 months. 3830 Viewer's advantage is iOS requirement (10.0 vs 13.0). 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.
3830 Viewer ships an update every 4 months, ET2900 every 10 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.
| Parameter | 3830 Viewer | ET2900 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 10 MB | 50 MB |
| Age rating | 4+ | 17+ |
| Developer | Kazunori Watanabe | Launch Tech Co., Ltd |
In-app purchases
3830 Viewer
No in-app purchases
ET2900
No in-app purchases
