Surprised!ReactionTimeChecker? vs Life span camera for iPhone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Sudden fear image display
- Captures user's surprised photo
- Sound effects in silent mode
- Requires camera permission
- Prank and surprise friends
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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 “Contact Us” page on our website and send us an e-mail. Click here for “Contact Us”: https://www.nscnet.jp/inquiry.html
Life span camera for iPhone
This entertainment app uses your device's camera to humorously "diagnose" your remaining lifespan. You can also use photos from your album to generate results and surprise your friends with its amusing predictions.
- Diagnose remaining life
- Use device camera
- Select photos from album
- Surprise friends
- Joke app
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This app is a joke app that will diagnose your remaining life. To be shooting with this camera, Oh!My GOD!!! The rest of the life it has emerged on the forehead. You can also select a photo from the album! The attempt surprise friends with this camera!
Screenshots
Verdict
The clearest difference is review sentiment: Surprised!ReactionTimeChecker? at 100% against Life span camera for iPhone's 14%. Life span camera for iPhone's advantage is ads (none vs shown) and update cadence (every 6 days vs every 6 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Surprised!ReactionTimeChecker? ships an update every 6 months, Life span camera for iPhone every 6 days. The most recent releases landed on October 23, 2026 and October 19, 2026 respectively.
| Parameter | Surprised!ReactionTimeChecker? | Life span camera for iPhone |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 13.7% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 6 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 7.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 9 MB |
| Age rating | 12+ | 12+ |
| Developer | NSC, K.K. | daisuke kawano |
Customer experience
Surprised!ReactionTimeChecker?
Life span camera for iPhone
In-app purchases
Surprised!ReactionTimeChecker?
No in-app purchases
Life span camera for iPhone
No in-app purchases
Questions
Is Surprised!ReactionTimeChecker? free?
Is Life span camera for iPhone free?
Do Surprised!ReactionTimeChecker? or Life span camera for iPhone have ads?
Which is updated more often, Surprised!ReactionTimeChecker? or Life span camera for iPhone?
Other comparisons
