Comparison

Themis Black Box vs ModuVue

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

Head to head
About

Themis Black Box

This app transforms your smartphone into a high-quality dashcam, offering advanced recording features like 4K resolution, HDR, and image stabilization. It includes a built-in speedometer, GPS logging, and watermarking for speed and location data, with easy file management and sharing options.

Highlights
  • 4K, 1080p, 720p recording resolutions
  • UltraWide, Wide, Tele camera support
  • HDR and OIS recording
  • Built-in speedometer and level
  • GPS location and speed watermarking
  • Easy file management and sharing
  • Camera direction switching
Read full description

Thank you for visiting Themis Black Box app. * It is *** STRONGLY RECOMMENDED *** to use with a COOLER for smartphones for the following reasons. - Due to the nature of the app that processes the video in real time, the device will overheat quickly. - Smartphones will be installed and used in harsh environments such as car dashboards. In addition, to reduce the effect of car vibration, it is recommended to use a cradle that adsorbs to the windshield. * Features of Themis - Supports 4K, 1080p, 720p recording resolutions and various FPS. - Supports UltraWide, Wide, Tele cameras. - Supports HDR (High Dynamic Range) recording. - Supports OIS (Optical Image Stabilization). - Provides clear recorded video frames even when driving in tunnels or at night. *** However, the smartphone's autofocus feature may malfunction on roads or in locations that are too dark, or if there are foreign substances (e.g., smudges, rainwater, etc.) on the windshield. - Built-in speedometer. - Built-in level to help horizontally align the camera. - Various information such as date, time, speed and address are added as a watermark at the top of the recorded video. - Supports search for location where video recording started by linking with Apple Maps and Google Maps. (However, if the region is set to Korea or the language is set to Korean, KakaoMap and NAVER Map are also supported.) - Easily switch camera direction to inside or outside the car with a long tap on the screen. - Supports starting and stopping recording using volume buttons or Bluetooth shutter. - Supports a red mark on the recorded video and the file in the Recorded File Browser screen by double-tapping the screen during video recording so that users can easily find the event they want to remember. - Supports displaying a yellow mark on the recorded file the user wants on the Recorded File Browser screen. - Supports user-marked recorded files protection function. - Supports various screensaver modes. - Various device protection functions. - Supports AirDrop file transfer. - Supports transferring multiple files using data cable and Finder on Mac or iTunes on PC. - Supports Worldwide address. - Supports easy call function. *** However, calls using speakers are currently not supported, and recording is stopped during calls. For FAQs, please refer to the URL below. https://bit.ly/ThemisFAQen Please drive safely with Themis Black Box. * In the sample images of the recorded video included in the app screenshot, part of the license plate has been blurred to protect privacy.

About

ModuVue

Features
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Screenshots

Themis Black Box4 screens
ModuVue4 screens

Verdict

The call

The clearest difference is ads: ModuVue at none against Themis Black Box's shown. ModuVue also leads on update cadence (every 4 days vs every 5 weeks) and iOS requirement (12.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Themis Black Box ships an update every 5 weeks, ModuVue every 4 days. The most recent releases landed on October 19, 2026 and October 5, 2026 respectively.

Scorecard3 real differences Β· 5 level
Themis Black Box versus ModuVue: the parameters behind the verdict, then further details
ParameterThemis Black BoxModuVue
PriceFreeFree
Positive reviews60.7% of reviewsβ€”
Update frequencyEvery 5 weeksEvery 4 days β€” better
AdsYesNo β€” better
In-app purchasesNoNo
MonetizationFree with in-app purchasesβ€”
DevicesiPhoneiPhone, iPod β€” better
Requires iOS16.012.0 β€” better
Further details β€” not scored
Size8 MB72 MB
Age rating4+17+
DeveloperYeontack JeongTELECONS.CO., LTD

In-app purchases

None

Themis Black Box

No in-app purchases

None

ModuVue

No in-app purchases

Questions

Is Themis Black Box free?
Themis Black Box is free to download, with no in-app purchases.
Is ModuVue free?
ModuVue is free to download, with no in-app purchases.
Do Themis Black Box or ModuVue have ads?
Themis Black Box shows ads; ModuVue does not.
Which is updated more often, Themis Black Box or ModuVue?
Themis Black Box ships an update every 5 weeks, and ModuVue every 4 days. Most recently, Themis Black Box was updated on October 19, 2026 and ModuVue on October 5, 2026.

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