# Rotely vs Herman

The clearest difference is price: Rotely at Free against Herman's $2.99. Herman's advantage is update cadence (every 10 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Rotely is free to download; Herman costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rotely ships an update every 3 months, Herman every 10 days. The most recent releases landed on September 18, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Rotely | Herman |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/herman/id6743255218/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DACCAA](https://appshunter.io/developer/1219434855) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### Rotely

[App page](https://appshunter.io/ios/app/rotely-digital-flashcards/id6504616643)

**Features:** Vision Pro support

**In-app purchases:** none


### Herman

[App page](https://appshunter.io/ios/app/herman/id6743255218)

This app offers over 300 unique calculators for finance, math, and everyday problems. It provides a user-friendly interface for quick and accurate calculations, working offline for convenience.

**Highlights:** Over 300 unique calculators, Finance and business calculations, Math and fraction tools, Unit conversions (length, mass, time, volume), Offline functionality, User-friendly design

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

**In-app purchases:** none


## Frequently asked questions

### Is Rotely free?

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

### Is Herman free?

Herman costs $2.99, with no in-app purchases.

### Do Rotely or Herman have ads?

Neither Rotely nor Herman shows ads.

### Which is updated more often, Rotely or Herman?

Rotely ships an update every 3 months, and Herman every 10 days. Most recently, Rotely was updated on September 18, 2026 and Herman on August 16, 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.*