# Sielox Mobile App vs RTC eBill

The clearest difference is update cadence: RTC eBill at every 2 months against Sielox Mobile App's every 35 months. Sielox Mobile App's advantage is iOS requirement (12.0 vs 15.0). 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.

Sielox Mobile App ships an update every 35 months, RTC eBill every 2 months. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sielox Mobile App | RTC eBill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 2 months** |
| Size | 15 MB | 130 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sielox LLC](https://appshunter.io/developer/1584871373) | [Ringgold Telephone Co Inc](https://appshunter.io/developer/1046109472) |

## What reviewers say

### Sielox Mobile App

[App page](https://appshunter.io/ios/app/sielox-mobile-app/id1641172676)

**Features:** macOS Compatibility

**In-app purchases:** none


### RTC eBill

[App page](https://appshunter.io/ios/app/rtc-ebill/id6759113162)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sielox Mobile App free?

Sielox Mobile App is free to download, with no in-app purchases.

### Is RTC eBill free?

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

### Do Sielox Mobile App or RTC eBill have ads?

Neither Sielox Mobile App nor RTC eBill shows ads.

### Which is updated more often, Sielox Mobile App or RTC eBill?

Sielox Mobile App ships an update every 35 months, and RTC eBill every 2 months. Most recently, Sielox Mobile App was updated on November 3, 2026 and RTC eBill on November 5, 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.*