# iCelsius vs AIDA64

The clearest difference is in-app purchases: iCelsius at none against AIDA64's 1. iCelsius also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). AIDA64's advantage is rating (4.6 vs 4.2) and ratings volume (2.3K vs 139). On price, update cadence and device support there is nothing between them.

Both are free to download. AIDA64 sells 1 one-off in-app purchase. iCelsius asks for nothing beyond the download.

AIDA64 holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: AIDA64 has 2.3K 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 47% of AIDA64's.

iCelsius ships an update every 2 months, AIDA64 every 3 months. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | iCelsius | AIDA64 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (139 ratings)](https://appshunter.io/ios/app/icelsius/id434212879/reviews) | **[4.6 (2.3K ratings)](https://appshunter.io/ios/app/aida64/id979579523/reviews)** |
| Number of ratings | 139 | **2.3K** |
| Positive reviews | 35.2% of reviews | **46.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 6 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aginova Sarl](https://appshunter.io/developer/434212882) | [FinalWire](https://appshunter.io/developer/979579522) |

## 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


### AIDA64

[App page](https://appshunter.io/ios/app/aida64/id979579523)

Access in-depth hardware and software diagnostics for your iOS device.  Get detailed information on your CPU, screen, battery, network, and sensors.  Monitor memory, storage, and screen performance with this comprehensive utility.

**Highlights:** CPU details, Screen specifications, Battery status, Network insights, Device model identification, Memory and storage usage, Sensor data monitoring

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads from AIDA64 | $1.99 | one-time |

**What reviewers like**

- ⭐ Excellent app
- 📊 Provides detailed device information
- 💻 Useful for troubleshooting

**What reviewers complain about**

- 🚫 Lacks support for newer devices
- ⚠️ Inaccurate or missing information
- 🔍 Limited data on some devices
- 🔋 Battery details no longer available

**Reported bugs**

- Crashes on certain devices
- Incompatible with iPad Pro M2
- Blank or unknown fields for various components

**Requested features**

- Update for latest iOS and devices
- Add temperature sensor information
- Restore battery wear level and charge cycle details


## Frequently asked questions

### Is iCelsius free?

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

### Is AIDA64 free?

AIDA64 is free to download, with in-app purchases available.

### Which has better reviews, iCelsius or AIDA64?

AIDA64 is rated higher. iCelsius averages 4.2 out of 5 from 139 ratings, while AIDA64 averages 4.6 from 2.3K ratings.

### Do iCelsius or AIDA64 have ads?

AIDA64 shows ads; iCelsius does not.

### Which is updated more often, iCelsius or AIDA64?

iCelsius ships an update every 2 months, and AIDA64 every 3 months. Most recently, iCelsius was updated on October 16, 2026 and AIDA64 on October 20, 2026.

---

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