# Surprised!ReactionTimeChecker? vs Life span camera for iPhone

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.

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.

## The numbers

| Metric | Surprised!ReactionTimeChecker? | Life span camera for iPhone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/life-span-camera-for-iphone/id1037793103/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 13.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Ad-supported | **Free** |
| Size | 24 MB | 9 MB |
| Requires iOS | 15.6 | **7.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [NSC, K.K.](https://appshunter.io/developer/501890400) | [daisuke kawano](https://appshunter.io/developer/964854037) |

## What reviewers say

### Surprised!ReactionTimeChecker?

[App page](https://appshunter.io/ios/app/surprisedreactiontimechecker/id553393907)

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

**In-app purchases:** none


### Life span camera for iPhone

[App page](https://appshunter.io/ios/app/life-span-camera-for-iphone/id1037793103)

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.

**Highlights:** Diagnose remaining life, Use device camera, Select photos from album, Surprise friends, Joke app

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Surprised!ReactionTimeChecker? free?

Surprised!ReactionTimeChecker? is free to download, with no in-app purchases.

### Is Life span camera for iPhone free?

Life span camera for iPhone is free to download, with no in-app purchases.

### Do Surprised!ReactionTimeChecker? or Life span camera for iPhone have ads?

Surprised!ReactionTimeChecker? shows ads; Life span camera for iPhone does not.

### Which is updated more often, Surprised!ReactionTimeChecker? or Life span camera for iPhone?

Surprised!ReactionTimeChecker? ships an update every 6 months, and Life span camera for iPhone every 6 days. Most recently, Surprised!ReactionTimeChecker? was updated on October 23, 2026 and Life span camera for iPhone on October 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*