# Success Factor vs e

The clearest difference is update cadence: e at every 6 days against Success Factor's every 2 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.

Success Factor ships an update every 2 months, e every 6 days. Both last shipped on September 26, 2026.

## The numbers

| Metric | Success Factor | e |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 24 MB | 12 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mongol iD Group](https://appshunter.io/developer/1280856860) | [Gerege Systems LLC](https://appshunter.io/developer/1437211863) |

## What reviewers say

### Success Factor

[App page](https://appshunter.io/ios/app/success-factor/id6741319467)

**Features:** macOS Compatibility

**In-app purchases:** none


### e

[App page](https://appshunter.io/ios/app/e-id-mongolia/id6773038939)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Success Factor free?

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

### Is e free?

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

### Do Success Factor or e have ads?

Neither Success Factor nor e shows ads.

### Which is updated more often, Success Factor or e?

Success Factor ships an update every 2 months, and e every 6 days. Most recently, Success Factor was updated on September 26, 2026 and e on September 26, 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.*