# RTProSL 9 vs CIEC

The clearest difference is update cadence: CIEC at every 6 days against RTProSL 9's every 5 weeks. RTProSL 9's advantage is iOS requirement (11.1 vs 13.0). 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.

RTProSL 9 ships an update every 5 weeks, CIEC every 6 days. The most recent releases landed on July 4, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | RTProSL 9 | CIEC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rtprosl-9/id1290507791/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 50 MB | 7 MB |
| Requires iOS | **11.1** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rental Tracker, Inc.](https://appshunter.io/developer/935518347) | [Anh Nguyen Duc](https://appshunter.io/developer/1574177561) |

## What reviewers say

### RTProSL 9

[App page](https://appshunter.io/ios/app/rtprosl-9/id1290507791)

This software integrates with Rental Tracker Pro to scan barcodes and RFID tags. It wirelessly transmits scanned data directly to the Rental Tracker Pro application.

**Highlights:** Barcode scanning, RFID tag scanning, Wireless data transmission, Integration with Rental Tracker Pro, Optional barcode accessories

**In-app purchases:** none


### CIEC

[App page](https://appshunter.io/ios/app/ciec/id1578402980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RTProSL 9 free?

RTProSL 9 is free to download, with no in-app purchases.

### Is CIEC free?

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

### Do RTProSL 9 or CIEC have ads?

Neither RTProSL 9 nor CIEC shows ads.

### Which is updated more often, RTProSL 9 or CIEC?

RTProSL 9 ships an update every 5 weeks, and CIEC every 6 days. Most recently, RTProSL 9 was updated on July 4, 2026 and CIEC on May 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.*