# Flash vs OfflineSMS Messenger

The clearest difference is update cadence: OfflineSMS Messenger at every 4 days against Flash's fortnightly. 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.

Flash ships an update fortnightly, OfflineSMS Messenger every 4 days. The most recent releases landed on October 12, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Flash | OfflineSMS Messenger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Size | 45 MB | 28 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OOAK INC](https://appshunter.io/developer/1595459664) | [Kafel Technologies L.L.C.](https://appshunter.io/developer/1850117870) |

## What reviewers say

### Flash

[App page](https://appshunter.io/ios/app/flash-call/id6752710800)

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

**In-app purchases:** none


### OfflineSMS Messenger

[App page](https://appshunter.io/ios/app/offlinesms-messenger/id6781199184)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash free?

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

### Is OfflineSMS Messenger free?

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

### Do Flash or OfflineSMS Messenger have ads?

Neither Flash nor OfflineSMS Messenger shows ads.

### Which is updated more often, Flash or OfflineSMS Messenger?

Flash ships an update fortnightly, and OfflineSMS Messenger every 4 days. Most recently, Flash was updated on October 12, 2026 and OfflineSMS Messenger on October 24, 2026.

---

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