# One Smart vs RefPhone

The clearest difference is update cadence: RefPhone at every 3 weeks against One Smart's every 4 months. One Smart's advantage is iOS requirement (13.0 vs 17.6). 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.

One Smart ships an update every 4 months, RefPhone every 3 weeks. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | One Smart | RefPhone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 81 MB | 16 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ONE TELECOM TELECOMUNICAÇÕES LTDA](https://appshunter.io/developer/1601306519) | [AMAX SOFTWARE HOUSE LTDA](https://appshunter.io/developer/1693262417) |

## What reviewers say

### One Smart

[App page](https://appshunter.io/ios/app/one-smart/id6470018304)

**Features:** macOS Compatibility

**In-app purchases:** none


### RefPhone

[App page](https://appshunter.io/ios/app/refphone/id6760361733)

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

**In-app purchases:** none


## Frequently asked questions

### Is One Smart free?

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

### Is RefPhone free?

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

### Do One Smart or RefPhone have ads?

Neither One Smart nor RefPhone shows ads.

### Which is updated more often, One Smart or RefPhone?

One Smart ships an update every 4 months, and RefPhone every 3 weeks. Most recently, One Smart was updated on October 14, 2026 and RefPhone on October 6, 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.*