# HS printExp vs GyLog

The clearest difference is in-app purchases: HS printExp at none against GyLog's 2. HS printExp also leads on iOS requirement (14 vs 17.5). GyLog's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. GyLog sells 2 in-app purchases, starting at $14.99 per year. HS printExp asks for nothing beyond the download.

HS printExp ships an update every 6 weeks, GyLog every 3 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | HS printExp | GyLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/gylog/id6759689665/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 7 MB |
| Requires iOS | **14** | 17.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [深圳市森航科技有限公司](https://appshunter.io/developer/1832422058) | [Kumo, Inc.](https://appshunter.io/developer/955162378) |

## What reviewers say

### HS printExp

[App page](https://appshunter.io/ios/app/hs-printexp/id6749843859)

**Features:** macOS Compatibility

**In-app purchases:** none


### GyLog

[App page](https://appshunter.io/ios/app/gylog/id6759689665)

This app records gyroscope and accelerometer data from your iPhone to create GCSV files. These files can be used for custom post-stabilization of your own iPhone footage or paired with footage from mirrorless or cinema cameras in Gyroflow.

**Highlights:** Record gyroscope and accelerometer data, GCSV format compatible with Gyroflow, Background motion logging, Mount angle calibration, Audio sync backup, High sampling rate up to ~100 Hz, Easy file management and export

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GyLog Pro | $14.99 | per year |
| GyLog Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is HS printExp free?

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

### Is GyLog free?

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

### Do HS printExp or GyLog have ads?

Neither HS printExp nor GyLog shows ads.

### Which is updated more often, HS printExp or GyLog?

HS printExp ships an update every 6 weeks, and GyLog every 3 weeks. Most recently, HS printExp was updated on October 25, 2026 and GyLog on October 28, 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.*