# TransectRainGauges vs COGEVI

The clearest difference is update cadence: COGEVI at every 4 weeks against TransectRainGauges's every 3 months. TransectRainGauges's advantage is iOS requirement (10.2 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

TransectRainGauges ships an update every 3 months, COGEVI every 4 weeks. The most recent releases landed on October 14, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | TransectRainGauges | COGEVI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 20 MB | 58 MB |
| Requires iOS | **10.2** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hugh Chare](https://appshunter.io/developer/504684702) | [Invent-App](https://appshunter.io/developer/1437267222) |

## What reviewers say

### TransectRainGauges

[App page](https://appshunter.io/ios/app/transectraingauges/id879611992)

This app allows users to easily record rainfall or water depth readings from multiple gauges or wells on their property. Data is organized alphabetically by location and chronologically by observation. Export data as SQLite files for computer analysis.

**Highlights:** Record rainfall and well depth, Organize by gauge/well name, Chronological observation order, Export data as SQLite files, Import gauge/well names via JSON, Supports iPhones and iPads

**Features:** macOS Compatibility

**In-app purchases:** none


### COGEVI

[App page](https://appshunter.io/ios/app/cogevi/id6740633071)

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

**In-app purchases:** none


## Frequently asked questions

### Is TransectRainGauges free?

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

### Is COGEVI free?

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

### Do TransectRainGauges or COGEVI have ads?

Neither TransectRainGauges nor COGEVI shows ads.

### Which is updated more often, TransectRainGauges or COGEVI?

TransectRainGauges ships an update every 3 months, and COGEVI every 4 weeks. Most recently, TransectRainGauges was updated on October 14, 2026 and COGEVI on October 28, 2026.

---

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