# KEUCO Sensor vs Aligna

The clearest difference is in-app purchases: KEUCO Sensor at none against Aligna's 1. KEUCO Sensor also leads on iOS requirement (9.0 vs 15.0). Aligna's advantage is update cadence (every 4 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Aligna sells 1 one-off in-app purchase. KEUCO Sensor asks for nothing beyond the download.

KEUCO Sensor ships an update every 5 months, Aligna every 4 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | KEUCO Sensor | Aligna |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/aligna-file-renamer/id6783642658/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 35 MB | 25 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [KEUCO GmbH & Co. KG](https://appshunter.io/developer/463771710) | [ONNELLAB](https://appshunter.io/developer/1879534319) |

## What reviewers say

### KEUCO Sensor

[App page](https://appshunter.io/ios/app/keuco-sensor/id1581736605)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aligna

[App page](https://appshunter.io/ios/app/aligna-file-renamer/id6783642658)

This utility app allows for efficient batch renaming of files using predefined rules. It offers a preview of changes before applying them, with options to handle naming conflicts. The free version has a limit on the number of files processed per operation.

**Highlights:** Batch file renaming, 8 included renaming presets, Preview changes before applying, Conflict resolution options, Rename photos by capture date, Rename MP3s by artist/title/track

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aligna Pro | $1.99 | one-time |


## Frequently asked questions

### Is KEUCO Sensor free?

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

### Is Aligna free?

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

### Do KEUCO Sensor or Aligna have ads?

Neither KEUCO Sensor nor Aligna shows ads.

### Which is updated more often, KEUCO Sensor or Aligna?

KEUCO Sensor ships an update every 5 months, and Aligna every 4 days. Most recently, KEUCO Sensor was updated on November 7, 2026 and Aligna on October 31, 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.*