# SensorLog vs Schulferienklar

The clearest difference is price: Schulferienklar at Free against SensorLog's $2.99. Schulferienklar also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 2 months). On ads, device support and iOS requirement there is nothing between them.

Schulferienklar is free to download; SensorLog costs $2.99 up front. SensorLog sells 4 one-off in-app purchases. Schulferienklar asks for nothing beyond the download.

SensorLog ships an update every 2 months, Schulferienklar every 4 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SensorLog | Schulferienklar |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/sensorlog/id388014573/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 69.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 5 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Thomas](https://appshunter.io/developer/385441510) | [Soojin Lee](https://appshunter.io/developer/1786296535) |

## What reviewers say

### SensorLog

[App page](https://appshunter.io/ios/app/sensorlog/id388014573)

Record and stream sensor data from your iPhone, iPad, and Apple Watch. Export data in CSV or JSON format, or send it via TCP, UDP, or HTTP requests. Integrates with Core ML models for advanced analysis.

**Highlights:** Log sensor data up to 100Hz, Stream data via TCP/UDP or HTTP, Export data as CSV or JSON, Remote client/server functionality, Siri and Shortcuts integration, Core ML model support, HealthKit data export from Apple Watch

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a Coffee ... | $0.99 | one-time |
| Spend me an Ice Cream ... | $1.99 | one-time |
| Offer me a glas of Wine ... | $5.99 | one-time |
| Invite me for a Cocktail ... | $9.99 | one-time |


### Schulferienklar

[App page](https://appshunter.io/ios/app/schulferienklar/id6811993088)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SensorLog free?

SensorLog costs $2.99, and also offers in-app purchases.

### Is Schulferienklar free?

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

### Do SensorLog or Schulferienklar have ads?

Neither SensorLog nor Schulferienklar shows ads.

### Which is updated more often, SensorLog or Schulferienklar?

SensorLog ships an update every 2 months, and Schulferienklar every 4 days. Most recently, SensorLog was updated on November 10, 2026 and Schulferienklar 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.*