# GOYOJO CTG vs PhoneLum

The clearest difference is update cadence: GOYOJO CTG at weekly against PhoneLum's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GOYOJO CTG ships an update weekly, PhoneLum fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | GOYOJO CTG | PhoneLum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/goyojo-ctg/id6754304928/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 45 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GOYOJO Industrial Technology (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1718672053) | [Shenzhen Yinshu Electronics Co., Ltd](https://appshunter.io/developer/6783171721) |

## What reviewers say

### GOYOJO CTG

[App page](https://appshunter.io/ios/app/goyojo-ctg/id6754304928)

Connect your device via Bluetooth to measure vehicle paint thickness. Analyze paint conditions with simple or professional modes, and receive alerts through sound or vibration. Export and share inspection results easily.

**Highlights:** Bluetooth connectivity to paint film meter, Measure vehicle paint thickness, Determine car paint condition, Simple and professional inspection modes, Sound and vibration alarms, Export and share inspection results

**Features:** macOS Compatibility

**In-app purchases:** none


### PhoneLum

[App page](https://appshunter.io/ios/app/phonelum/id6783171719)

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

**In-app purchases:** none


## Frequently asked questions

### Is GOYOJO CTG free?

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

### Is PhoneLum free?

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

### Do GOYOJO CTG or PhoneLum have ads?

Neither GOYOJO CTG nor PhoneLum shows ads.

### Which is updated more often, GOYOJO CTG or PhoneLum?

GOYOJO CTG ships an update weekly, and PhoneLum fortnightly. Most recently, GOYOJO CTG was updated on October 30, 2026 and PhoneLum 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.*