# GUDC vs Laoji

GUDC and Laoji are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

GUDC ships an update monthly, Laoji every 5 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GUDC | Laoji |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Size | 20 MB | 49 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Rodic Consultants Private Limited](https://appshunter.io/developer/1738421651) | [Hefei Xingluo Mohai Network Technology Co., Ltd.](https://appshunter.io/developer/1870500180) |

## What reviewers say

### GUDC

[App page](https://appshunter.io/ios/app/gudc/id6744403022)

**Features:** macOS Compatibility

**In-app purchases:** none


### Laoji

[App page](https://appshunter.io/ios/app/laoji-read-repeat-remember/id6763971321)

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

**In-app purchases:** none


## Frequently asked questions

### Is GUDC free?

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

### Is Laoji free?

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

### Do GUDC or Laoji have ads?

Neither GUDC nor Laoji shows ads.

### Which is updated more often, GUDC or Laoji?

GUDC ships an update monthly, and Laoji every 5 weeks. Most recently, GUDC was updated on November 8, 2026 and Laoji on November 5, 2026.

---

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