# GUDC vs NoteCalcu

GUDC and NoteCalcu 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, NoteCalcu fortnightly. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | GUDC | NoteCalcu |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Size | 20 MB | 2 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Rodic Consultants Private Limited](https://appshunter.io/developer/1738421651) | [献亭 刘](https://appshunter.io/developer/1670077904) |

## What reviewers say

### GUDC

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

**Features:** macOS Compatibility

**In-app purchases:** none


### NoteCalcu

[App page](https://appshunter.io/ios/app/notecalcu-note-calculator/id6775677597)

**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 NoteCalcu free?

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

### Do GUDC or NoteCalcu have ads?

Neither GUDC nor NoteCalcu shows ads.

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

GUDC ships an update monthly, and NoteCalcu fortnightly. Most recently, GUDC was updated on October 16, 2026 and NoteCalcu on October 7, 2026.

---

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