# Lambert vs StraboField

The clearest difference is rating: Lambert at 5.0 against StraboField's 4.5. Lambert also leads on review sentiment (75% vs 50%). StraboField's advantage is update cadence (every 2 weeks vs every 5 months) and ratings volume (19 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Lambert holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 19 respectively. Written reviews point the same way: 75% of Lambert's written reviews are positive against 50% of StraboField's.

Lambert ships an update every 5 months, StraboField every 2 weeks. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Lambert | StraboField |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/lambert/id341216494/reviews)** | [4.5 (19 ratings)](https://appshunter.io/ios/app/strabofield/id1555903455/reviews) |
| Number of ratings | 4 | **19** |
| Positive reviews | **75.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 87 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Appel](https://appshunter.io/developer/341216497) | [The University of Kansas](https://appshunter.io/developer/726307325) |

## What reviewers say

### Lambert

[App page](https://appshunter.io/ios/app/lambert/id341216494)

This application transforms your iPhone into a specialized geological compass. It accurately measures the dip direction and angle of geological strata, displaying real-time orientation data. Measurements can be enhanced with text and plotted on a map for easy transfer to your computer.

**Highlights:** Geological compass functionality, Measure dip direction and angle, Real-time stereographic projection, Wulff and Schmidt Net projection diagrams, Add text to measurements, Plot measurement localities on a map, Transfer data to computer

**Features:** macOS Compatibility

**In-app purchases:** none


### StraboField

[App page](https://appshunter.io/ios/app/strabofield/id1555903455)

This mobile application helps geologists record field observations, capture data like photos and sketches, and create geologic maps. It supports various geological subdisciplines and allows for offline use with data syncing capabilities.

**Highlights:** Record field data with photos, sketches, and notes, Collect georeferenced orientation and spatial data, Use custom or built-in basemaps offline, Create multi-scale observations with nested Spots, Organize and back up data locally or to StraboSpot.org, Fully functional offline for remote fieldwork

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

**In-app purchases:** none


## Frequently asked questions

### Is Lambert free?

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

### Is StraboField free?

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

### Which has better reviews, Lambert or StraboField?

Lambert is rated higher. Lambert averages 5.0 out of 5 from 4 ratings, while StraboField averages 4.5 from 19 ratings.

### Do Lambert or StraboField have ads?

Neither Lambert nor StraboField shows ads.

### Which is updated more often, Lambert or StraboField?

Lambert ships an update every 5 months, and StraboField every 2 weeks. Most recently, Lambert was updated on June 1, 2026 and StraboField on September 18, 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.*