# SOSMS vs OneTap Chat

The clearest difference is update cadence: OneTap Chat at fortnightly against SOSMS's every 43 months. OneTap Chat also leads on iOS requirement (12.0 vs 16.0). On price, ads, 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.

SOSMS ships an update every 43 months, OneTap Chat fortnightly. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SOSMS | OneTap Chat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 43 months | **Fortnightly** |
| Size | 2 MB | 33 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Murat Caglayan](https://appshunter.io/developer/675022956) | [Samer Abu salim](https://appshunter.io/developer/1676394644) |

## What reviewers say

### SOSMS

[App page](https://appshunter.io/ios/app/sosms/id1110002902)

**Features:** macOS Compatibility

**In-app purchases:** none


### OneTap Chat

[App page](https://appshunter.io/ios/app/onetap-chat/id6446162416)

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

**In-app purchases:** none


## Frequently asked questions

### Is SOSMS free?

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

### Is OneTap Chat free?

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

### Do SOSMS or OneTap Chat have ads?

Neither SOSMS nor OneTap Chat shows ads.

### Which is updated more often, SOSMS or OneTap Chat?

SOSMS ships an update every 43 months, and OneTap Chat fortnightly. Most recently, SOSMS was updated on October 8, 2026 and OneTap Chat 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.*