# SensorLogger vs Chemflo

The clearest difference is price: Chemflo at Free against SensorLogger's $0.99. Chemflo also leads on update cadence (every 2 days vs every 3 weeks) and device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Chemflo is free to download; SensorLogger costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SensorLogger ships an update every 3 weeks, Chemflo every 2 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SensorLogger | Chemflo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/sensorlogger-csv-export/id1505203547/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Paid | — |
| Size | 2 MB | 36 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Kazumasa Wakamori](https://appshunter.io/developer/1505203546) | [Ujjwal Bahal](https://appshunter.io/developer/1867254390) |

## What reviewers say

### SensorLogger

[App page](https://appshunter.io/ios/app/sensorlogger-csv-export/id1505203547)

Record acceleration, gyroscope, and magnetic field data in real-time or at higher frequencies. Export your sensor readings as a CSV file for further analysis. Optimize data collection by toggling visualization settings.

**Highlights:** Log acceleration, gyroscope, and magnetic field, Synchronous sensor measurement, Real-time data visualization, Adjustable sampling frequency, Export data as CSV file

**Features:** Vision Pro support

**In-app purchases:** none


### Chemflo

[App page](https://appshunter.io/ios/app/chemflo-ai-driven-superapp/id6757491957)

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

**In-app purchases:** none


## Frequently asked questions

### Is SensorLogger free?

SensorLogger costs $0.99, with no in-app purchases.

### Is Chemflo free?

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

### Do SensorLogger or Chemflo have ads?

Neither SensorLogger nor Chemflo shows ads.

### Which is updated more often, SensorLogger or Chemflo?

SensorLogger ships an update every 3 weeks, and Chemflo every 2 days. Most recently, SensorLogger was updated on September 21, 2026 and Chemflo on September 18, 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.*