TROMOX vs KeyPay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TROMOX
This app allows users to remotely monitor their electric vehicles. It provides real-time data on battery status, location, and riding history. Users can also manage their vehicles and adjust app settings.
- One-button self-inspection
- Real-time vehicle location
- Battery capacity monitoring
- Riding track history
- Service point locator
- Vehicle management
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Everything about TROMOX is fun... Self-inspect with one button, Real-time location, Remain battery capacity; Riding tracks; Service points; Vehicle management, App settings;
KeyPay
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One Subscription. All Our Navigation Apps. Subscribe to KeyPay and unlock every navigation app from our company.
Screenshots
Verdict
The clearest difference is in-app purchases: TROMOX at none against KeyPay's 10. On price, update cadence, 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. KeyPay sells 10 one-off in-app purchases. TROMOX asks for nothing beyond the download.
TROMOX ships an update every 3 months, KeyPay every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | TROMOX | KeyPay |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 | 13 — better |
| Further details — not scored | ||
| Size | 165 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Hangzhou Tromox Technology Co., LTD | 辽宁尔雅网信科技有限公司 |
In-app purchases
TROMOX
No in-app purchases
KeyPay
- Maps service in 1 month$3.00
- Maps Service 1 month$4.00
- Navigation service in 3 months$7.00
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- Maps Service 3 months$8.00
- 6 months Google Maps service$12.00
- Navigation service in 6 months$12.00
- Maps Service 6 months$14.00
- 12 months Google Maps service$21.00
- Navigation service in 12 months$21.00
- Maps Service 12 months$24.00
