Comparison

Dyno Chart vs Streamlines Firmware Updater

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

Head to head
About

Dyno Chart

This tool analyzes your vehicle's engine performance, displaying max power and torque against RPM. It connects via an OBD II adapter to gather sensor data and generate detailed charts. Ensure compatibility before unlocking full features.

Highlights
  • Max power and torque vs RPM charts
  • OBD II sensor data collection
  • Vehicle compatibility check
  • ELM Wi-Fi/Bluetooth LE adapter support
  • In-app chart function unlock
Features
Read full description

Dyno Chart is vehicle engine performance evaluation tool, which provides you the information of max power and torque vs RPM. Dyno Chart app uses OBD II interface on your vehicle to collect sensor data and build the chart. Please follow the app instruction for compatibility check before you purchase and unlock the in-app chart function. The app needs an ELM compatible Wi-Fi or Bluetooth Low Energy (for iPhone4s and later) adapter to work. You can check Developer WebSite for Adapter Guide: http://www.outdoor-apps.com/enginelink.html Drop us an email for any suggestions/questions you may have at support@ksolution.org. We will answer.

About

Streamlines Firmware Updater

Features
Read full description

The Streamlines updater app lets users download the latest Streamlines software and updates the firmware in the Streamlines FORMA, ALTOSTRATUS and TEMPO sensors. How to use the app: 1. Turn the FORMA/ALTOSTRATUS/TEMPO sensor on by pressing the power button once. Light in the sensor will flash green and blue in standard mode. 2. Press the sensor power button 7 times to enter update mode. Light in the sensor will flash red and green while in update mode. 3. Open Streamlines Updater App. 4. Select the sensor you want to update. 5. Press the "Load from server" button in the app to download the latest software. 6. Press the "Start update" button in the app when it turns black. The light in the sensor will flash green during the update. 7. A pop-up message will appear in the app once the update is completed and the update state will show an "update complete" message. A continuous blue light will shine in the sensor for a few seconds. 8. The update is completed. Exit app. The light in the sensor will go back to flashing blue and green and the sensor is back on standard mode.

Screenshots

Dyno Chart4 screens
Streamlines Firmware Updater2 screens

Verdict

The call

The clearest difference is in-app purchases: Streamlines Firmware Updater at none against Dyno Chart's 1. Dyno Chart's advantage is update cadence (every 3 months vs every 18 months) and iOS requirement (7.0 vs 15.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Dyno Chart sells 1 one-off in-app purchase. Streamlines Firmware Updater asks for nothing beyond the download.

UpkeepUpdate frequency

Dyno Chart ships an update every 3 months, Streamlines Firmware Updater every 18 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 7 level
Dyno Chart versus Streamlines Firmware Updater: the parameters behind the verdict, then further details
ParameterDyno ChartStreamlines Firmware Updater
PriceFreeFree
Rating1.2 (6 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 3 months — betterEvery 18 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPod
Requires iOS7.0 — better15.0
Further details — not scored
Size9 MB2 MB
Age rating4+4+
DeveloperK SOLUTION LLCStreamlines Aero Ltd

In-app purchases

1 purchases

Dyno Chart

One-time1
  • Dyno Chart Unlock$4.99
None

Streamlines Firmware Updater

No in-app purchases

Questions

Is Dyno Chart free?
Dyno Chart is free to download, with in-app purchases available.
Is Streamlines Firmware Updater free?
Streamlines Firmware Updater is free to download, with no in-app purchases.
Do Dyno Chart or Streamlines Firmware Updater have ads?
Neither Dyno Chart nor Streamlines Firmware Updater shows ads.
Which is updated more often, Dyno Chart or Streamlines Firmware Updater?
Dyno Chart ships an update every 3 months, and Streamlines Firmware Updater every 18 months. Most recently, Dyno Chart was updated on October 24, 2026 and Streamlines Firmware Updater on October 27, 2026.

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