# Eff factor vs MARS Management Consultants

Eff factor and MARS Management Consultants 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.

Eff factor ships an update every 2 months, MARS Management Consultants every 3 months. The most recent releases landed on September 18, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Eff factor | MARS Management Consultants |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 47 MB | 144 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Akshay Herwadkar](https://appshunter.io/developer/1552885048) | [MARS MANAGEMENT CONSULTANCY](https://appshunter.io/developer/1597264409) |

## What reviewers say

### Eff factor

[App page](https://appshunter.io/ios/app/eff-factor/id1552885046)

**Features:** macOS Compatibility

**In-app purchases:** none


### MARS Management Consultants

[App page](https://appshunter.io/ios/app/mars-management-consultants/id1597264407)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Eff factor free?

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

### Is MARS Management Consultants free?

MARS Management Consultants is free to download, with no in-app purchases.

### Do Eff factor or MARS Management Consultants have ads?

Neither Eff factor nor MARS Management Consultants shows ads.

### Which is updated more often, Eff factor or MARS Management Consultants?

Eff factor ships an update every 2 months, and MARS Management Consultants every 3 months. Most recently, Eff factor was updated on September 18, 2026 and MARS Management Consultants on September 11, 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.*