# eRelocation vs C21 One21

eRelocation and C21 One21 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.

eRelocation ships an update every 2 months, C21 One21 every 3 months. The most recent releases landed on September 18, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | eRelocation | C21 One21 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/erelocation/id6578414286/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 9 MB | 69 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ASK Real Estate Technology LLC](https://appshunter.io/developer/1759444366) | [Century 21 Real Estate, LLC](https://appshunter.io/developer/371112830) |

## What reviewers say

### eRelocation

[App page](https://appshunter.io/ios/app/erelocation/id6578414286)

This app allows enrolled real estate agents to manage referrals, submit updates, and record important notes. It provides a streamlined way to handle brokerage-assigned leads and track their progress.

**Highlights:** Access referrals, Submit updates, Add notes, Submit OGR/AGR, Brokerage integration

**Features:** macOS Compatibility

**In-app purchases:** none


### C21 One21

[App page](https://appshunter.io/ios/app/c21-one21/id6760855095)

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

**In-app purchases:** none


## Frequently asked questions

### Is eRelocation free?

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

### Is C21 One21 free?

C21 One21 is free to download, with no in-app purchases.

### Do eRelocation or C21 One21 have ads?

Neither eRelocation nor C21 One21 shows ads.

### Which is updated more often, eRelocation or C21 One21?

eRelocation ships an update every 2 months, and C21 One21 every 3 months. Most recently, eRelocation was updated on September 18, 2026 and C21 One21 on September 20, 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.*