# LAMTEC Support vs Tip Calculator SDG

The clearest difference is ads: LAMTEC Support at none against Tip Calculator SDG's shown. LAMTEC Support also leads on update cadence (every 3 months vs every 12 months). Tip Calculator SDG's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price 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.

LAMTEC Support ships an update every 3 months, Tip Calculator SDG every 12 months. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | LAMTEC Support | Tip Calculator SDG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 12 months |
| Size | 6 MB | 12 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [LAMTEC Leipzig GmbH & Co KG](https://appshunter.io/developer/1519077388) | [SDG CODE DOO NIS](https://appshunter.io/developer/1343251532) |

## What reviewers say

### LAMTEC Support

[App page](https://appshunter.io/ios/app/lamtec-support/id1519077386)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tip Calculator SDG

[App page](https://appshunter.io/ios/app/tip-calculator-sdg/id6741415779)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LAMTEC Support free?

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

### Is Tip Calculator SDG free?

Tip Calculator SDG is free to download, with no in-app purchases.

### Do LAMTEC Support or Tip Calculator SDG have ads?

Tip Calculator SDG shows ads; LAMTEC Support does not.

### Which is updated more often, LAMTEC Support or Tip Calculator SDG?

LAMTEC Support ships an update every 3 months, and Tip Calculator SDG every 12 months. Most recently, LAMTEC Support was updated on September 10, 2026 and Tip Calculator SDG on September 14, 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.*