# SOS Flash (97aad2) vs Chatstone

The clearest difference is in-app purchases: SOS Flash (97aad2) at none against Chatstone's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Chatstone sells 4 one-off in-app purchases. SOS Flash (97aad2) asks for nothing beyond the download.

## The numbers

| Metric | SOS Flash (97aad2) | Chatstone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 37 MB | 57 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Gareth Edwards](https://appshunter.io/developer/1849755594) | [Adrian Lukacs](https://appshunter.io/developer/6819398735) |

## What reviewers say

### SOS Flash (97aad2)

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Chatstone

[App page](https://appshunter.io/ios/app/chatstone-server-chat/id6819398733)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip: Bread | $1.99 | one-time |
| Tip: Emerald | $4.99 | one-time |
| Tip: Diamond | $9.99 | one-time |
| Tip: Enchanted golden apple | $22.99 | one-time |


## Frequently asked questions

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

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

### Is Chatstone free?

Chatstone is free to download, with in-app purchases available.

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

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

---

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