# E vs Paysi

The clearest difference is update cadence: Paysi at every 6 days against E's fortnightly. E's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

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

E ships an update fortnightly, Paysi every 6 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | E | Paysi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | — |
| Size | 38 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [VEBMANI.RU, OOO](https://appshunter.io/developer/302894187) | [sergey gayzer](https://appshunter.io/developer/575134966) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-num-auth/id6503298323)

This app provides a secure and convenient authentication system. It uses a challenge-response model where your secret access key is stored on your mobile phone, eliminating the need for complex passwords and protecting against malware. Authorization is a simple process of entering a challenge value and receiving a number-answer.

**Highlights:** High-level security authentication, Secret access key stored on mobile, Challenge-response authorization, No complex passwords needed, Malware protection for access key, Efficient and economical system

**Features:** Vision Pro support

**In-app purchases:** none


### Paysi

[App page](https://appshunter.io/ios/app/paysi/id6752708324)

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is Paysi free?

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

### Do E or Paysi have ads?

Neither E nor Paysi shows ads.

### Which is updated more often, E or Paysi?

E ships an update fortnightly, and Paysi every 6 days. Most recently, E was updated on October 16, 2026 and Paysi on October 25, 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.*