Comparison

KM eFlash vs Surge Easy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KM eFlash

Features
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KM eFlash makes vehicle diagnostics and ECU programming simple and efficient. Use the specially developed KM eFlash OBD2 dongle directly from your smartphone to: * Read, analyze, and clear diagnostic trouble codes (DTCs) * Flash engine and transmission control units * Display and record real-time telemetry data The connection is established conveniently via Wi-Fi, ensuring fast and reliable data transmission. The app can only be used with the KM eFlash OBD2 dongle and a valid user account. For more information, visit: https://www.km-tuning.com

About

Surge Easy

Features
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Surge Easy – Essential tool for Hong Kong ride-hailing drivers 【Real-time Surge Multipliers】 • Live surge multipliers across all districts (UberX, Comfort, Black, etc.) • Updates every 60 seconds • Sort by multiplier or distance to quickly find the most profitable areas 【Nearest Public Toilets】 • Comprehensive database of public toilets in Hong Kong • Sorted by distance with one-tap map navigation • Solves one of the biggest pain points for drivers on the road Designed specifically for Hong Kong drivers. Simple, practical, and built to help you earn more and save time. Key Features: • Real-time surge information • Quick public toilet finder • Chinese & English support • Ad-free experience in Pro version Download now and start earning more per trip! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

KM eFlash4 screens
Surge Easy3 screens

Verdict

The call

The clearest difference is in-app purchases: KM eFlash at none against Surge Easy's 1. KM eFlash also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Surge Easy sells 1 one-off in-app purchase. KM eFlash asks for nothing beyond the download.

UpkeepUpdate frequency

KM eFlash ships an update every 3 days, Surge Easy every 6 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 3 level
KM eFlash versus Surge Easy: the parameters behind the verdict, then further details
ParameterKM eFlashSurge Easy
PriceFreeFree
Update frequencyEvery 3 days — betterEvery 6 weeks
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPod — better
Requires iOS16.415.1 — better
Further details — not scored
Size52 MB26 MB
Age rating4+4+
DeveloperKM Engineers GmbHEC TECHNOLOGY

In-app purchases

None

KM eFlash

No in-app purchases

1 purchases

Surge Easy

One-time1
  • Pro User$6.99

Questions

Is KM eFlash free?
KM eFlash is free to download, with no in-app purchases.
Is Surge Easy free?
Surge Easy is free to download, with in-app purchases available.
Do KM eFlash or Surge Easy have ads?
Surge Easy shows ads; KM eFlash does not.
Which is updated more often, KM eFlash or Surge Easy?
KM eFlash ships an update every 3 days, and Surge Easy every 6 weeks. Most recently, KM eFlash was updated on October 25, 2026 and Surge Easy on October 28, 2026.

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