# Outcrop vs CADraw

The clearest difference is review sentiment: CADraw at 50% against Outcrop's 0%. CADraw also leads on rating (2.9 vs 1.7) and update cadence (fortnightly vs every 5 weeks). Outcrop's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. CADraw sells 6 in-app purchases, starting at $1.39 per month. Outcrop asks for nothing beyond the download.

CADraw holds the better App Store score, 2.9 against 1.7. Both are backed by a comparable volume of ratings — 3 and 10 respectively. Written reviews point the same way: 0% of Outcrop's written reviews are positive against 50% of CADraw's.

Outcrop ships an update every 5 weeks, CADraw fortnightly. The most recent releases landed on June 1, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Outcrop | CADraw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.7 (3 ratings)](https://appshunter.io/ios/app/outcrop/id1056810833/reviews) | **[2.9 (10 ratings)](https://appshunter.io/ios/app/cadraw/id1526269907/reviews)** |
| Number of ratings | 3 | **10** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 175 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Next-Shot](https://appshunter.io/developer/1056810832) | [诚 张](https://appshunter.io/developer/1526266877) |

## What reviewers say

### Outcrop

[App page](https://appshunter.io/ios/app/outcrop/id1056810833)

This app aids geologists in field studies by allowing them to capture high-resolution images of outcrops. Users can interpret geological features, add annotations, take measurements, and export data to construct 3D geological models.

**Highlights:** High-resolution outcrop imaging, Interpretation of facies, structures, and boundaries, Annotation and measurement tools, Dip and azimuth measurement, GPS location integration, 3D geological model export (GOCAD format)

**Features:** macOS Compatibility

**In-app purchases:** none


### CADraw

[App page](https://appshunter.io/ios/app/cadraw/id1526269907)

Create and edit precise technical drawings with a variety of tools. Supports layers, annotations, and export to common formats like PDF and DXF. Ideal for detailed design work on mobile devices.

**Highlights:** Draw lines, circles, arcs, Shape editing and modification, Angle constraints, Endpoint and midpoint snapping, Numeric keypad for precise input, Layer management, Annotation tools, Export to PDF and DXF

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.39 | per month |
| per month | $2.99 | per month |
| Annual subscription | $13.90 | per year |
| per year | $26.00 | per year |
| Upgrade to the full version | $69.99 | one-time |
| Full version | $99.99 | one-time |


## Frequently asked questions

### Is Outcrop free?

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

### Is CADraw free?

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

### Which has better reviews, Outcrop or CADraw?

CADraw is rated higher. Outcrop averages 1.7 out of 5 from 3 ratings, while CADraw averages 2.9 from 10 ratings.

### Do Outcrop or CADraw have ads?

Neither Outcrop nor CADraw shows ads.

### Which is updated more often, Outcrop or CADraw?

Outcrop ships an update every 5 weeks, and CADraw fortnightly. Most recently, Outcrop was updated on June 1, 2026 and CADraw on September 20, 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.*