# EthOS vs InvoiceForArtists

The clearest difference is ads: EthOS at none against InvoiceForArtists's shown. InvoiceForArtists's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

EthOS ships an update every 2 months, InvoiceForArtists every 2 weeks. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | EthOS | InvoiceForArtists |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (42 ratings)](https://appshunter.io/ios/app/ethos-mobile-research/id1569877105/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 84.4% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 45 MB | 24 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Panel Consulting Group LLC](https://appshunter.io/developer/1569877107) | [AMADOU OURY CAMARA](https://appshunter.io/developer/1748625308) |

## What reviewers say

### EthOS

[App page](https://appshunter.io/ios/app/ethos-mobile-research/id1569877105)

Participate in research studies by completing tasks on your phone. Tasks may include taking photos, videos, answering surveys, and providing text feedback. Your insights help companies improve their products and services.

**Highlights:** Complete research tasks on your phone, Record photos and videos, Answer survey questions, Provide open-ended text feedback, Shape future products and services

**Features:** Vision Pro support

**In-app purchases:** none


### InvoiceForArtists

[App page](https://appshunter.io/ios/app/invoiceforartists/id6756586879)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EthOS free?

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

### Is InvoiceForArtists free?

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

### Do EthOS or InvoiceForArtists have ads?

InvoiceForArtists shows ads; EthOS does not.

### Which is updated more often, EthOS or InvoiceForArtists?

EthOS ships an update every 2 months, and InvoiceForArtists every 2 weeks. Most recently, EthOS was updated on November 11, 2026 and InvoiceForArtists on November 5, 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.*