# SurvMaster vs GreenBidz

SurvMaster and GreenBidz are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | SurvMaster | GreenBidz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 33 MB | 84 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Bluestone Apps, LLC Mobile](https://appshunter.io/developer/941163853) | [Quippy AI Limited](https://appshunter.io/developer/1766670758) |

## What reviewers say

### SurvMaster

[App page](https://appshunter.io/ios/app/survmaster/id6445957210)

**Features:** macOS Compatibility

**In-app purchases:** none


### GreenBidz

[App page](https://appshunter.io/ios/app/greenbidz/id6797434238)

**In-app purchases:** none


## Frequently asked questions

### Is SurvMaster free?

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

### Is GreenBidz free?

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

### Do SurvMaster or GreenBidz have ads?

Neither SurvMaster nor GreenBidz shows ads.

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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.*