# SAT Messenger vs LocalOne D1

The clearest difference is update cadence: SAT Messenger at every 2 weeks against LocalOne D1's every 4 months. 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.

SAT Messenger ships an update every 2 weeks, LocalOne D1 every 4 months. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SAT Messenger | LocalOne D1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Size | 51 MB | 87 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [phwy](https://appshunter.io/developer/1687040072) | [Ikatech Solutions](https://appshunter.io/developer/1652070810) |

## What reviewers say

### SAT Messenger

[App page](https://appshunter.io/ios/app/sat-messenger/id6448937534)

**Features:** macOS Compatibility

**In-app purchases:** none


### LocalOne D1

[App page](https://appshunter.io/ios/app/localone-d1/id6746125611)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAT Messenger free?

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

### Is LocalOne D1 free?

LocalOne D1 is free to download, with no in-app purchases.

### Do SAT Messenger or LocalOne D1 have ads?

Neither SAT Messenger nor LocalOne D1 shows ads.

### Which is updated more often, SAT Messenger or LocalOne D1?

SAT Messenger ships an update every 2 weeks, and LocalOne D1 every 4 months. Most recently, SAT Messenger was updated on October 24, 2026 and LocalOne D1 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.*