# Cauldryn vs GFUELER

The clearest difference is review sentiment: GFUELER at 100% against Cauldryn's 9%. GFUELER also leads on rating (4.1 vs 1.3) and update cadence (every 2 weeks vs every 2 months). Cauldryn's advantage is in-app purchases (none vs 3) and iOS requirement (12.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. GFUELER sells 3 one-off in-app purchases. Cauldryn asks for nothing beyond the download.

GFUELER holds the better App Store score, 4.1 against 1.3. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 9% of Cauldryn's written reviews are positive against 100% of GFUELER's.

Cauldryn ships an update every 2 months, GFUELER every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Cauldryn | GFUELER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.3 (4 ratings)](https://appshunter.io/ios/app/cauldryn/id1385398413/reviews) | **[4.1 (9 ratings)](https://appshunter.io/ios/app/gfueler/id1643345479/reviews)** |
| Number of ratings | 4 | **9** |
| Positive reviews | 9.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 22 MB | 31 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Sinospec](https://appshunter.io/developer/1385398412) | [Aaron Brannan](https://appshunter.io/developer/1540210534) |

## What reviewers say

### Cauldryn

[App page](https://appshunter.io/ios/app/cauldryn/id1385398413)

Control your beverage's temperature precisely, from room temperature to boiling, with a battery-powered module. Keep drinks at your ideal temp all day, perfect for busy individuals or home use. Explore diverse uses like brewing, warming baby bottles, and sanitizing water.

**Highlights:** Select any temperature between room temp and boiling, Battery-powered heat control, Maintain ideal beverage temperature all day, Portable for on-the-go use, Versatile for brewing, warming, cooking, and sanitation

**Features:** macOS Compatibility

**In-app purchases:** none


### GFUELER

[App page](https://appshunter.io/ios/app/gfueler/id1643345479)

Struggling to pick a drink from your collection? This app generates a random selection from your owned flavors with a single tap. Organize your choices into custom groups and access quick selections via widgets or your Apple Watch.

**Highlights:** Random flavor selection, Customizable flavor groups, Home and Lock Screen Widgets, Apple Watch app and complications, Siri Shortcuts support, Fan-made utility

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $0.99 Tip | $0.99 | one-time |
| $2.99 Tip | $2.99 | one-time |
| $4.99 Tip | $4.99 | one-time |


## Frequently asked questions

### Is Cauldryn free?

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

### Is GFUELER free?

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

### Which has better reviews, Cauldryn or GFUELER?

GFUELER is rated higher. Cauldryn averages 1.3 out of 5 from 4 ratings, while GFUELER averages 4.1 from 9 ratings.

### Do Cauldryn or GFUELER have ads?

Neither Cauldryn nor GFUELER shows ads.

### Which is updated more often, Cauldryn or GFUELER?

Cauldryn ships an update every 2 months, and GFUELER every 2 weeks. Most recently, Cauldryn was updated on October 24, 2026 and GFUELER on October 24, 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.*