# StraboField vs 3D Stress

The clearest difference is price: StraboField at Free against 3D Stress's $2.99. 3D Stress's advantage is iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

StraboField is free to download; 3D Stress costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

StraboField ships an update every 9 days, 3D Stress every 2 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | StraboField | 3D Stress |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/strabofield/id1555903455/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Monetization | Free | — |
| Size | 89 MB | 4 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [The University of Kansas](https://appshunter.io/developer/726307325) | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) |

## What reviewers say

### 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


### 3D Stress

[App page](https://appshunter.io/ios/app/3d-stress/id6503481793)

**In-app purchases:** none


## Frequently asked questions

### Is StraboField free?

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

### Is 3D Stress free?

3D Stress costs $2.99, with no in-app purchases.

### Do StraboField or 3D Stress have ads?

Neither StraboField nor 3D Stress shows ads.

### Which is updated more often, StraboField or 3D Stress?

StraboField ships an update every 9 days, and 3D Stress every 2 weeks. Most recently, StraboField was updated on October 6, 2026 and 3D Stress on October 12, 2026.

---

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