# Lehrer Lämpel vs Long Subtraction

The clearest difference is device support: Long Subtraction at 3 against Lehrer Lämpel's 1. Long Subtraction also leads on price ($0.99 vs $1.99). Lehrer Lämpel's advantage is iOS requirement (9.3 vs 14.1). On ads and in-app purchases there is nothing between them.

Lehrer Lämpel costs $1.99 and Long Subtraction $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Lehrer Lämpel | Long Subtraction |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | — |
| Size | 8 MB | 1 MB |
| Requires iOS | **9.3** | 14.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Claus Zinn](https://appshunter.io/developer/889016868) | [H Valeur](https://appshunter.io/developer/621824042) |

## What reviewers say

### Lehrer Lämpel

[App page](https://appshunter.io/ios/app/lehrer-lampel-addition/id920522698)

**Features:** macOS Compatibility

**In-app purchases:** none


### Long Subtraction

[App page](https://appshunter.io/ios/app/long-subtraction/id6469645846)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lehrer Lämpel free?

Lehrer Lämpel costs $1.99, with no in-app purchases.

### Is Long Subtraction free?

Long Subtraction costs $0.99, with no in-app purchases.

### Do Lehrer Lämpel or Long Subtraction have ads?

Neither Lehrer Lämpel nor Long Subtraction shows ads.

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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.*