# Tanzbuch vs LensLoop

The clearest difference is update cadence: LensLoop at weekly against Tanzbuch's monthly. Tanzbuch's advantage is iOS requirement (15.5 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Tanzbuch sells 6 in-app purchases, starting at $2.99 per month and LensLoop sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Tanzbuch ships an update monthly, LensLoop weekly. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Tanzbuch | LensLoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 84 MB | 9 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Heinen](https://appshunter.io/developer/1704308105) | [Necati Dogrul](https://appshunter.io/developer/1830290971) |

## What reviewers say

### Tanzbuch

[App page](https://appshunter.io/ios/app/tanzbuch/id6463405115)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Beginner | $2.99 | per month |
| Hobbytänzer | $3.99 | per month |
| Professionals | $8.99 | per month |
| Tanzbuch Beginner Jahresabo | $29.99 | per year |
| Tanzbuch Hobbytänzer Jahresabo | $49.99 | per year |
| Tanzbuch Professional Jahresabo | $99.99 | per year |


### LensLoop

[App page](https://appshunter.io/ios/app/lensloop-contact-lens-tracker/id6790209362)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LensLoop Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Tanzbuch free?

Tanzbuch is free to download, with in-app purchases available.

### Is LensLoop free?

LensLoop is free to download, with in-app purchases available.

### Do Tanzbuch or LensLoop have ads?

Neither Tanzbuch nor LensLoop shows ads.

### Which is updated more often, Tanzbuch or LensLoop?

Tanzbuch ships an update monthly, and LensLoop weekly. Most recently, Tanzbuch was updated on October 27, 2026 and LensLoop on October 23, 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.*