# iCelsius vs Digital Temperature Converter

The clearest difference is in-app purchases: iCelsius at none against Digital Temperature Converter's 16. iCelsius also leads on ads (none vs shown) and update cadence (every 2 months vs every 4 months). Digital Temperature Converter's advantage is review sentiment (70% vs 35%) and rating (4.6 vs 4.2). On price and device support there is nothing between them.

Both are free to download. Digital Temperature Converter sells 14 in-app purchases, starting at $0.99 per 7 days. iCelsius asks for nothing beyond the download.

Digital Temperature Converter holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: Digital Temperature Converter has 1.1K ratings behind it against 139, so its average is the more settled of the two. Written reviews point the same way: 35% of iCelsius's written reviews are positive against 70% of Digital Temperature Converter's.

iCelsius ships an update every 2 months, Digital Temperature Converter every 4 months. The most recent releases landed on August 18, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | iCelsius | Digital Temperature Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (139 ratings)](https://appshunter.io/ios/app/icelsius/id434212879/reviews) | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/digital-temperature-converter/id504132215/reviews)** |
| Number of ratings | 139 | **1.1K** |
| Positive reviews | 35.2% of reviews | **70.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 102 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aginova Sarl](https://appshunter.io/developer/434212882) | [ZipoApps](https://appshunter.io/developer/1671444635) |

## What reviewers say

### iCelsius

[App page](https://appshunter.io/ios/app/icelsius/id434212879)

Transform your iPhone, iPad, or iPod touch into a digital thermometer with this app. It works with a separate hardware probe to measure temperatures of liquids and other substances, create graphs, and set alerts. Ideal for cooking, science education, and quality control.

**Highlights:** Live temperature display, Temperature graphing with pan/zoom, Configurable temperature alarms, Snapshot and continuous recording, Recipe presets for cooking, History of recorded readings

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate temperature readings
- 👍 Handy for monitoring
- 👍 Good for remote monitoring
- 👍 Works well for specific uses (e.g., cigars, BBQ)
- 👍 Good UI and graphing (when it works)

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 Connectivity issues (Wi-Fi, Bluetooth)
- 🐛 Unreliable remote sensing
- 🐛 Inconsistent readings/inaccurate
- 🐛 Hardware failures (probes dying)

**Reported bugs**

- App crashes on startup
- App crashes when tapping graphs
- Temperature readings are incorrect/flashing
- Live view display is messed up
- App crashes when phone locks or switches apps

**Requested features**

- Fix crashing issues
- Improve Wi-Fi and Bluetooth connectivity
- Ensure compatibility with newer iOS versions
- Improve remote monitoring reliability
- Fix data loss when switching apps


### Digital Temperature Converter

[App page](https://appshunter.io/ios/app/digital-temperature-converter/id504132215)

Effortlessly convert temperatures between eight different units including Celsius, Fahrenheit, Kelvin, and more. This app provides accurate conversions with clear formulas, making it ideal for students and professionals needing quick temperature calculations.

**Highlights:** Converts between 8 temperature units, Displays conversion formulas, User-friendly interface, Supports Celsius, Fahrenheit, Kelvin, Rankine, Reaumur, Delisle, Newton, Rømer, Quick and accurate conversions

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Unlimited access | $1.99 | per 7 days |
| Unlimited access | $2.99 | per 7 days |
| Unlimited access | $3.99 | per 7 days |
| Unlimited access | $4.99 | per 7 days |
| Unlimited access | $5.99 | per 7 days |
| Unlimited access | $6.99 | per 7 days |
| Unlimited access | $7.99 | per 7 days |
| Unlimited access | $8.99 | per 7 days |
| Unlimited access | $9.99 | per year |
| Unlimited access | $19.99 | per year |
| Unlimited access | $29.99 | per year |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |


## Frequently asked questions

### Is iCelsius free?

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

### Is Digital Temperature Converter free?

Digital Temperature Converter is free to download, with in-app purchases available.

### Which has better reviews, iCelsius or Digital Temperature Converter?

Digital Temperature Converter is rated higher. iCelsius averages 4.2 out of 5 from 139 ratings, while Digital Temperature Converter averages 4.6 from 1.1K ratings.

### Do iCelsius or Digital Temperature Converter have ads?

Digital Temperature Converter shows ads; iCelsius does not.

### Which is updated more often, iCelsius or Digital Temperature Converter?

iCelsius ships an update every 2 months, and Digital Temperature Converter every 4 months. Most recently, iCelsius was updated on August 18, 2026 and Digital Temperature Converter on September 19, 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.*