# Polybai vs ECityStars

The clearest difference is update cadence: Polybai at every 5 days against ECityStars's every 3 weeks. 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.

Polybai ships an update every 5 days, ECityStars every 3 weeks. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Polybai | ECityStars |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 40 MB | 27 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Abdullrahman Yasser](https://appshunter.io/developer/1642172616) | [Citystars Properties](https://appshunter.io/developer/1061930880) |

## What reviewers say

### Polybai

[App page](https://appshunter.io/ios/app/polybai/id1642172614)

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

**In-app purchases:** none


### ECityStars

[App page](https://appshunter.io/ios/app/ecitystars/id6738306150)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polybai free?

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

### Is ECityStars free?

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

### Do Polybai or ECityStars have ads?

Neither Polybai nor ECityStars shows ads.

### Which is updated more often, Polybai or ECityStars?

Polybai ships an update every 5 days, and ECityStars every 3 weeks. Most recently, Polybai was updated on October 14, 2026 and ECityStars on October 25, 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.*