# SOS Flash (97aad2) vs GradTime

The clearest difference is device support: GradTime at 4 against SOS Flash (97aad2)'s 2. SOS Flash (97aad2)'s advantage is iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | SOS Flash (97aad2) | GradTime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 37 MB | 89 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple TV** |
| Age rating | 4+ | 17+ |
| Developer | [Gareth Edwards](https://appshunter.io/developer/1849755594) | [GradMarket LLC](https://appshunter.io/developer/6798641599) |

## What reviewers say

### SOS Flash (97aad2)

[App page](https://appshunter.io/ios/app/sos-flash-97aad2/id6754723867)

**Features:** macOS Compatibility

**In-app purchases:** none


### GradTime

[App page](https://appshunter.io/ios/app/gradtime/id6819638855)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SOS Flash (97aad2) free?

SOS Flash (97aad2) is free to download, with no in-app purchases.

### Is GradTime free?

GradTime is free to download, with no in-app purchases.

### Do SOS Flash (97aad2) or GradTime have ads?

Neither SOS Flash (97aad2) nor GradTime shows ads.

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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.*