# Zoef Robot Smart vs Billda

The clearest difference is update cadence: Billda at monthly against Zoef Robot Smart's every 12 months. 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.

Zoef Robot Smart ships an update every 12 months, Billda monthly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Zoef Robot Smart | Billda |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Monthly** |
| Size | 190 MB | 47 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zoef Robot B.V.](https://appshunter.io/developer/1597919311) | [伟才 邓](https://appshunter.io/developer/893608406) |

## What reviewers say

### Zoef Robot Smart

[App page](https://appshunter.io/ios/app/zoef-robot-smart/id1597919309)

**In-app purchases:** none


### Billda

[App page](https://appshunter.io/ios/app/billda/id6745080229)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zoef Robot Smart free?

Zoef Robot Smart is free to download, with no in-app purchases.

### Is Billda free?

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

### Do Zoef Robot Smart or Billda have ads?

Neither Zoef Robot Smart nor Billda shows ads.

### Which is updated more often, Zoef Robot Smart or Billda?

Zoef Robot Smart ships an update every 12 months, and Billda monthly. Most recently, Zoef Robot Smart was updated on October 9, 2026 and Billda on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*