# SellrApp vs RMS SIA

SellrApp and RMS SIA are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SellrApp ships an update every 2 weeks, RMS SIA monthly. The most recent releases landed on September 9, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SellrApp | RMS SIA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Size | 37 MB | 67 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sekel Tech](https://appshunter.io/developer/1682475575) | [CMS Info Systems Limited](https://appshunter.io/developer/1569189836) |

## What reviewers say

### SellrApp

[App page](https://appshunter.io/ios/app/sellrapp/id6447759345)

**Features:** macOS Compatibility

**In-app purchases:** none


### RMS SIA

[App page](https://appshunter.io/ios/app/rms-sia/id6463419381)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SellrApp free?

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

### Is RMS SIA free?

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

### Do SellrApp or RMS SIA have ads?

Neither SellrApp nor RMS SIA shows ads.

### Which is updated more often, SellrApp or RMS SIA?

SellrApp ships an update every 2 weeks, and RMS SIA monthly. Most recently, SellrApp was updated on September 9, 2026 and RMS SIA on October 27, 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.*