# EthOS vs CertiPro Dynamics

EthOS and CertiPro Dynamics 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.

EthOS ships an update every 2 months, CertiPro Dynamics every 3 months. The most recent releases landed on October 7, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | EthOS | CertiPro Dynamics |
| --- | --- | --- |
| 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 | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 45 MB | 23 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Panel Consulting Group LLC](https://appshunter.io/developer/1569877107) | [MiaTomi, Inc.](https://appshunter.io/developer/1301415855) |

## 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


### CertiPro Dynamics

[App page](https://appshunter.io/ios/app/certipro-dynamics/id1643784285)

**In-app purchases:** none


## Frequently asked questions

### Is EthOS free?

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

### Is CertiPro Dynamics free?

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

### Do EthOS or CertiPro Dynamics have ads?

Neither EthOS nor CertiPro Dynamics shows ads.

### Which is updated more often, EthOS or CertiPro Dynamics?

EthOS ships an update every 2 months, and CertiPro Dynamics every 3 months. Most recently, EthOS was updated on October 7, 2026 and CertiPro Dynamics on September 25, 2026.

---

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