# HotKup vs scentcast

The clearest difference is rating: scentcast at 2.7 against HotKup's 1.5. scentcast also leads on review sentiment (40% vs 0%) and update cadence (every 9 days vs every 2 months). HotKup's advantage is in-app purchases (none vs 1) and iOS requirement (12.4 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. scentcast sells 1 one-off in-app purchase. HotKup asks for nothing beyond the download.

scentcast holds the better App Store score, 2.7 against 1.5. Both are backed by a comparable volume of ratings — 4 and 7 respectively. Written reviews point the same way: 0% of HotKup's written reviews are positive against 40% of scentcast's.

HotKup ships an update every 2 months, scentcast every 9 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HotKup | scentcast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (4 ratings)](https://appshunter.io/ios/app/hotkup-temperature-control-mug/id1624277809/reviews) | **[2.7 (7 ratings)](https://appshunter.io/ios/app/scentcast/id6759512957/reviews)** |
| Number of ratings | 4 | **7** |
| Positive reviews | 0.0% of reviews | **40.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 19 MB | 20 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sinospec](https://appshunter.io/developer/1385398412) | [HRCWA Holdings LLC](https://appshunter.io/developer/1879179844) |

## What reviewers say

### HotKup

[App page](https://appshunter.io/ios/app/hotkup-temperature-control-mug/id1624277809)

This app allows you to control the temperature of your mug, boil water, brew beverages, and maintain your ideal drinking temperature. It offers both app and manual control, with versatile power options including battery, AC, and 12v car power.

**Highlights:** Boil water, Brew coffee/tea, Maintain perfect temperature, App and manual control, Battery, AC, and 12v power options

**Features:** macOS Compatibility

**In-app purchases:** none


### scentcast

[App page](https://appshunter.io/ios/app/scentcast/id6759512957)

This app uses weather data and AI to recommend fragrances from your collection or help you discover new ones. Build your scent library, get daily picks based on conditions, and refine suggestions with filters.

**Highlights:** Weather-based scent recommendations, AI-powered fragrance discovery, Build and manage fragrance collection, Camera identification of perfumes, Mood and occasion filters, Shopping links to retailers

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | one-time |


## Frequently asked questions

### Is HotKup free?

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

### Is scentcast free?

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

### Which has better reviews, HotKup or scentcast?

scentcast is rated higher. HotKup averages 1.5 out of 5 from 4 ratings, while scentcast averages 2.7 from 7 ratings.

### Do HotKup or scentcast have ads?

Neither HotKup nor scentcast shows ads.

### Which is updated more often, HotKup or scentcast?

HotKup ships an update every 2 months, and scentcast every 9 days. Most recently, HotKup was updated on October 24, 2026 and scentcast 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.*