# ECGStudio vs Cloud Finder

The clearest difference is in-app purchases: ECGStudio at none against Cloud Finder's 1. Cloud Finder's advantage is update cadence (every 3 days vs every 3 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Cloud Finder sells 1 one-off in-app purchase. ECGStudio asks for nothing beyond the download.

ECGStudio ships an update every 3 months, Cloud Finder every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ECGStudio | Cloud Finder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cloud-finder-identify-clouds/id6787323815/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 9 MB | 93 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Keisuke Nakashima](https://appshunter.io/developer/1691259083) | [SEDX LLC](https://appshunter.io/developer/6776048808) |

## What reviewers say

### ECGStudio

[App page](https://appshunter.io/ios/app/ecgstudio-ecg-draw-and-lecture/id6761598719)

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

**In-app purchases:** none


### Cloud Finder

[App page](https://appshunter.io/ios/app/cloud-finder-identify-clouds/id6787323815)

Identify clouds by pointing your camera at the sky. This app uses on-device AI for offline identification and provides insights into weather patterns associated with each cloud type. Build your personal sky journal and learn about cloud formations.

**Highlights:** On-device AI for offline cloud identification, Identify 10 classic cloud genera and contrails, Learn weather implications of cloud types, Browse cloud library by altitude, Save identified clouds to a personal log, Offline functionality, no internet required

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Finder Pro | $1.99 | one-time |


## Frequently asked questions

### Is ECGStudio free?

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

### Is Cloud Finder free?

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

### Do ECGStudio or Cloud Finder have ads?

Neither ECGStudio nor Cloud Finder shows ads.

### Which is updated more often, ECGStudio or Cloud Finder?

ECGStudio ships an update every 3 months, and Cloud Finder every 3 days. Most recently, ECGStudio was updated on October 31, 2026 and Cloud Finder 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.*