# SensorLog vs Accelerometer ∞

The clearest difference is price: Accelerometer ∞ at Free against SensorLog's $2.99. Accelerometer ∞ also leads on update cadence (every 2 weeks vs every 2 months). SensorLog's advantage is ads (none vs shown) and review sentiment (69% vs 50%). On rating, ratings volume, in-app purchases and monetization model there is nothing between them.

Accelerometer ∞ is free to download; SensorLog costs $2.99 up front. SensorLog sells 4 one-off in-app purchases and Accelerometer ∞ sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.4 for SensorLog against 4.3 for Accelerometer ∞. Both are backed by a comparable volume of ratings — 40 and 61 respectively. Written reviews are what separate them: 69% of SensorLog's written reviews are positive against 50% of Accelerometer ∞'s.

SensorLog ships an update every 2 months, Accelerometer ∞ every 2 weeks. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SensorLog | Accelerometer ∞ |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.4 (40 ratings)](https://appshunter.io/ios/app/sensorlog/id388014573/reviews)** | [4.3 (61 ratings)](https://appshunter.io/ios/app/accelerometer/id6621273087/reviews) |
| Number of ratings | 40 | **61** |
| Positive reviews | **69.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#151** | — |
| Size | 4 MB | 16 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bernd Thomas](https://appshunter.io/developer/385441510) | [Fawkes Wei](https://appshunter.io/developer/432767536) |

## What reviewers say

### SensorLog

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

**Currently charting:** #151 Top Paid · Utilities (US App Store)

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 |


### Accelerometer ∞

[App page](https://appshunter.io/ios/app/accelerometer/id6621273087)

Visualize device motion data in real-time with dynamic graphs. Analyze sensor information, calibrate your device, and explore various possibilities. This utility app offers a unique perspective on your device's movement.

**Highlights:** Real-time motion data visualization, Stunning graph displays, Sensor calibration, Data analysis, Explore endless possibilities

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is SensorLog free?

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

### Is Accelerometer ∞ free?

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

### Which has better reviews, SensorLog or Accelerometer ∞?

SensorLog is rated higher. SensorLog averages 4.4 out of 5 from 40 ratings, while Accelerometer ∞ averages 4.3 from 61 ratings.

### Do SensorLog or Accelerometer ∞ have ads?

Accelerometer ∞ shows ads; SensorLog does not.

### Which is updated more often, SensorLog or Accelerometer ∞?

SensorLog ships an update every 2 months, and Accelerometer ∞ every 2 weeks. Most recently, SensorLog was updated on September 21, 2026 and Accelerometer ∞ on September 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*