# Fast e vs IVB SoftOTP

The clearest difference is iOS requirement: Fast e at 10.0 against IVB SoftOTP's 13.0. On price, update cadence, 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.

Fast e ships an update monthly, IVB SoftOTP every 3 weeks. The most recent releases landed on September 27, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Fast e | IVB SoftOTP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 132 MB | 53 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fast Software Joint Stock Company](https://appshunter.io/developer/1484779984) | [Indovina Bank](https://appshunter.io/developer/1245497472) |

## What reviewers say

### Fast e

[App page](https://appshunter.io/ios/app/fast-e-invoice/id1484779985)

This application allows businesses to create and manage electronic invoices. It integrates with other accounting and financial management software to streamline invoice generation and submission. Designed for companies with high invoice volumes and in-house IT teams.

**Highlights:** Electronic invoice creation, Integration with accounting software, Cloud server infrastructure, Self-managed infrastructure, Suitable for high invoice volumes

**Features:** macOS Compatibility

**In-app purchases:** none


### IVB SoftOTP

[App page](https://appshunter.io/ios/app/ivb-softotp/id6502965314)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fast e free?

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

### Is IVB SoftOTP free?

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

### Do Fast e or IVB SoftOTP have ads?

Neither Fast e nor IVB SoftOTP shows ads.

### Which is updated more often, Fast e or IVB SoftOTP?

Fast e ships an update monthly, and IVB SoftOTP every 3 weeks. Most recently, Fast e was updated on September 27, 2026 and IVB SoftOTP on September 30, 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.*