Comparison

Surprised!ReactionTimeChecker? vs SpeedMap Classic

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

Head to head
About

Surprised!ReactionTimeChecker?

This app captures photos of users when they are startled by sudden fear images. It's designed for playful pranks to surprise friends and family, documenting their genuine reactions. Note that it utilizes sound effects even in silent mode and requires camera permissions.

Highlights
  • Sudden fear image display
  • Captures user's surprised photo
  • Sound effects in silent mode
  • Requires camera permission
  • Prank and surprise friends
Read full description

This app " Surprised! Reaction Time Checker?” is not an app to measure reflexes. When playing in a game that measures reflexes, it suddenly displays a fear image, and it is a surprise app to take a picture of the player of that moment. Surprise your friends, lovers and family and get their photos! You may get a photo of the surprised look of a yearning person ... *This application has sound effects even in silent mode. *In order to use the camera function to take photos, you need "Camera" and "Add photos only" permission to use this app. *Please check the photos taken with the "Photos" app. *Shaking the device violently can cause photos to be blurred. *Be aware that the player is surprised and may break the device. *Even if the user uses this game, the user or a third party other than the user, equipment, or even if there is a case where damage or a failure has occurred in human relations, we do not have any responsibility. *If you are using iOS 14.5 or later, a dialog asking for tracking permission will be displayed at the first startup. Production: NSC, K.K. If you have any problems or requests, please check the contents of the β€œContact Us” page on our website and send us an e-mail. Click here for β€œContact Us”: https://www.nscnet.jp/inquiry.html

About

SpeedMap Classic

Features
Read full description

SpeedMap Classic is a simple GPS speedometer app with an integrated map. View your current speed, location, and heading at a glance, and track useful trip stats such as distance, maximum speed, and average speed. The app supports km/h, mph, and m/s, with options to rotate the map by heading, follow your current location, use a dark map style, and customize the speedometer display.

Screenshots

Surprised!ReactionTimeChecker?3 screens
SpeedMap Classic1 screens

Verdict

The call

The clearest difference is update cadence: SpeedMap Classic at fortnightly against Surprised!ReactionTimeChecker?'s every 6 months. On price, ads, 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

Surprised!ReactionTimeChecker? ships an update every 6 months, SpeedMap Classic fortnightly. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard1 real difference Β· 7 level
Surprised!ReactionTimeChecker? versus SpeedMap Classic: the parameters behind the verdict, then further details
ParameterSurprised!ReactionTimeChecker?SpeedMap Classic
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 6 monthsFortnightly β€” better
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.614.0 β€” better
Further details β€” not scored
Size24 MB47 MB
Age rating12+4+
DeveloperNSC, K.K.Ark-Networks

In-app purchases

None

Surprised!ReactionTimeChecker?

No in-app purchases

None

SpeedMap Classic

No in-app purchases

Questions

Is Surprised!ReactionTimeChecker? free?
Surprised!ReactionTimeChecker? is free to download, with no in-app purchases.
Is SpeedMap Classic free?
SpeedMap Classic is free to download, with no in-app purchases.
Do Surprised!ReactionTimeChecker? or SpeedMap Classic have ads?
Both Surprised!ReactionTimeChecker? and SpeedMap Classic show ads.
Which is updated more often, Surprised!ReactionTimeChecker? or SpeedMap Classic?
Surprised!ReactionTimeChecker? ships an update every 6 months, and SpeedMap Classic fortnightly. Most recently, Surprised!ReactionTimeChecker? was updated on November 1, 2026 and SpeedMap Classic on November 5, 2026.

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