Comparison

Stroop Test J Lite vs Open PVT

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

Head to head
About

Stroop Test J Lite

This app measures response inhibition and attention by presenting a classic cognitive test. It helps assess potential frontal lobe dysfunction and interference processing. Results indicate time taken and errors, with higher scores suggesting greater impairment.

Highlights
  • Response inhibition assessment
  • Attention division test
  • Measures time to complete
  • Counts mistakes
  • Interference processing evaluation
Features
Read full description

The Stroop test is used primarily to assess an individual's impaired response inhibition due to frontal lobe dysfunction, problems with simultaneous interference, and ability to divide attention. Test instruction: Respondents are required to touch the words according to the instructions. At first, measure normal scores then measure Strooped (color interfered) scores. Results: Results are reported as the number of seconds required to complete the task and number of mistakes; therefore, higher scores reveal greater impairment. A rough standard: Score is depends on age or gender however most in 50% longer time and less than 10mistakes.

About

Open PVT

Features
Read full description

Open PVT is a psychomotor vigilance and reaction-time testing application. The app provides configurable 3-minute, 5-minute, and 10-minute test sessions in which users respond as quickly as possible when a visual stimulus appears. Open PVT records trial-level and session-level measurements including reaction times, lapses, false starts, timeouts, session timing, and summary statistics. Features include: • 3-minute PVT-B testing • 5-minute modified PVT testing • 10-minute standard PVT testing • Reaction-time feedback • Lapse, false-start, and timeout tracking • Session history • Trial-level data review • CSV export for data analysis • Local on-device data storage • No advertising • No automatic cloud upload Test data remain stored locally on the device unless the user explicitly exports or shares them. Open PVT may be used for educational, analytical, or research-related purposes, but the app itself does not enroll users in studies or provide clinical services. Open PVT is not intended to diagnose, treat, cure, prevent, or provide medical advice regarding any disease or medical condition.

Screenshots

Stroop Test J Lite1 screens
Open PVT4 screens

Verdict

The call

The clearest difference is ads: Open PVT at none against Stroop Test J Lite's shown. Open PVT also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price and in-app purchases 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.

Scorecard3 real differences · 5 level
Stroop Test J Lite versus Open PVT: the parameters behind the verdict, then further details
ParameterStroop Test J LiteOpen PVT
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 36 months—
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size4 MB20 MB
Age rating4+4+
DeveloperTakuya KawakamiBARBARA SORG INGERMANN

In-app purchases

None

Stroop Test J Lite

No in-app purchases

None

Open PVT

No in-app purchases

Questions

Is Stroop Test J Lite free?
Stroop Test J Lite is free to download, with no in-app purchases.
Is Open PVT free?
Open PVT is free to download, with no in-app purchases.
Do Stroop Test J Lite or Open PVT have ads?
Stroop Test J Lite shows ads; Open PVT does not.

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