# UDS vs TreeCorder

UDS and TreeCorder both sit at 3.0 stars, but that hides the real split: 100% of UDS's written reviews are positive against 0% of TreeCorder's. UDS also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (8.1 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for UDS against 3.0 for TreeCorder. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews are what separate them: 100% of UDS's written reviews are positive against 0% of TreeCorder's.

UDS ships an update every 3 weeks, TreeCorder every 2 months. The most recent releases landed on August 13, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | UDS | TreeCorder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (4 ratings)](https://appshunter.io/ios/app/uds/id400421308/reviews) | [3.0 (2 ratings)](https://appshunter.io/ios/app/treecorder/id1514362967/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 59 MB | 89 MB |
| Requires iOS | **8.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sand Apps Inc.](https://appshunter.io/developer/333188389) | [EcoMatcher Limited](https://appshunter.io/developer/1491332440) |

## What reviewers say

### UDS

[App page](https://appshunter.io/ios/app/uds/id400421308)

This application offers registered users access to specific information related to UDS. It serves as a portal for retrieving and viewing data within the UDS system.

**Highlights:** Access UDS information, For registered users, Information retrieval

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

**In-app purchases:** none


### TreeCorder

[App page](https://appshunter.io/ios/app/treecorder/id1514362967)

This utility app helps foundations and NGOs easily record data about trees and the individuals who plant them. It provides a streamlined way to manage this information for conservation and community initiatives.

**Highlights:** Record tree data, Record planter data, Manage foundation data, Manage NGO data, Easy data entry

**In-app purchases:** none


## Frequently asked questions

### Is UDS free?

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

### Is TreeCorder free?

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

### Which has better reviews, UDS or TreeCorder?

UDS and TreeCorder are both rated 3.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do UDS or TreeCorder have ads?

Neither UDS nor TreeCorder shows ads.

### Which is updated more often, UDS or TreeCorder?

UDS ships an update every 3 weeks, and TreeCorder every 2 months. Most recently, UDS was updated on August 13, 2026 and TreeCorder on September 15, 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.*