# Lehrer Lämpel vs Document Camera

The clearest difference is price: Document Camera at Free against Lehrer Lämpel's $0.99. Document Camera also leads on update cadence (monthly vs every 38 months). Lehrer Lämpel's advantage is iOS requirement (9.3 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Document Camera is free to download; Lehrer Lämpel costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lehrer Lämpel ships an update every 38 months, Document Camera monthly. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Lehrer Lämpel | Document Camera |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.5 (338 ratings)](https://appshunter.io/ios/app/document-camera/id1529027635/reviews)** |
| Number of ratings | — | **338** |
| Positive reviews | — | 61.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Monthly** |
| Monetization | — | Free |
| Size | 8 MB | 20 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Claus Zinn](https://appshunter.io/developer/889016868) | [SwiftKick Mobile LLC](https://appshunter.io/developer/1136358867) |

## What reviewers say

### Lehrer Lämpel

[App page](https://appshunter.io/ios/app/lehrer-lampel-number-wheels/id959272416)

**In-app purchases:** none


### Document Camera

[App page](https://appshunter.io/ios/app/document-camera/id1529027635)

Turn your iPhone into a document camera for seamless workspace sharing. Ideal for remote learning and in-classroom presentations, it integrates with popular video conferencing tools and supports screen mirroring.

**Highlights:** Transform iPhone into a document camera, Screen sharing for video conferencing, Remote learning tool, Smart flashlight and auto-leveling, Zoom, pan, and freeze frame, AirPlay screen mirroring support

**In-app purchases:** none

**What reviewers like**

- 👍 Great for overhead projector use
- 👍 Fun for playing teacher
- 👍 Works well for screen mirroring
- 👍 Intuitive and does what's needed
- 👍 Works like an Elmo

**What reviewers complain about**

- 🐛 App doesn't open past splash screen
- 🐛 Frozen on splash screen with no controls
- 🐛 Needs access but nothing to select
- 🐛 Stuck on Home Screen after installation
- 🐛 Camera quality is fuzzy and grainy

**Reported bugs**

- App does not open
- App freezes on splash screen
- App requires access but no options to select
- App gets stuck on Home Screen
- Poor camera quality (fuzzy/grainy)

**Requested features**

- Support for portrait mode
- Option to rotate document 90 degrees


## Frequently asked questions

### Is Lehrer Lämpel free?

Lehrer Lämpel costs $0.99, with no in-app purchases.

### Is Document Camera free?

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

### Do Lehrer Lämpel or Document Camera have ads?

Neither Lehrer Lämpel nor Document Camera shows ads.

### Which is updated more often, Lehrer Lämpel or Document Camera?

Lehrer Lämpel ships an update every 38 months, and Document Camera monthly. Most recently, Lehrer Lämpel was updated on September 24, 2026 and Document Camera on September 22, 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.*