Comparison

SpeedTune E vs Flex

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

Head to head

Ultimate Car Monitoring App

Free

🔧 Utilities

★ 5.01 ratingsView app →

About

SpeedTune E

Features

Read full description

SpeedTune Tool

About

Flex

Read full description

Looking for a powerful and reliable speedometer app for your iPhone? Look no further than Flex-Module! Our app is based on your car's movement statistics, providing you with accurate and up-to-date information on your driving habits and vehicle performance. With features like oil metrics, speedometer, and local storage for all trip information, Flex-Module is the ultimate tool for any driver looking to optimize their driving experience. Whether you're a seasoned pro or just starting out, Flex-Module has everything you need to stay on top of your car's performance and take control of your driving experience. Download Flex-Module today and experience the future of car monitoring technology!

Screenshots

SpeedTune E4 screens

Flex4 screens

Verdict

The call

The clearest difference is update cadence: Flex at every 2 months against SpeedTune E's every 10 months. SpeedTune E's advantage is iOS requirement (12.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SpeedTune E ships an update every 10 months, Flex every 2 months. Both last shipped on October 24, 2026.

Scorecard2 real differences · 6 level

SpeedTune E versus Flex: the parameters behind the verdict, then further details
Parameter	SpeedTune E	Flex
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 10 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod — better	iPhone
Requires iOS	12.0 — better	16.0
Further details — not scored
Size	52 MB	3 MB
Age rating	4+	4+
Developer	良李	Flex-Module LLC

In-app purchases

None

SpeedTune E

No in-app purchases

None

Flex

No in-app purchases

Questions

Is SpeedTune E free?

SpeedTune E is free to download, with no in-app purchases.

Is Flex free?

Flex is free to download, with no in-app purchases.

Do SpeedTune E or Flex have ads?

Neither SpeedTune E nor Flex shows ads.

Which is updated more often, SpeedTune E or Flex?

SpeedTune E ships an update every 10 months, and Flex every 2 months. Most recently, SpeedTune E was updated on October 24, 2026 and Flex on October 24, 2026.