# OK Recycle vs Tree Height Meter

The clearest difference is ads: OK Recycle at none against Tree Height Meter's shown. OK Recycle also leads on device support (3 vs 1) and iOS requirement (10.0 vs 16.4). Tree Height Meter's advantage is update cadence (every 3 days vs monthly). On price and in-app purchases there is nothing between them.

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

OK Recycle ships an update monthly, Tree Height Meter every 3 days. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OK Recycle | Tree Height Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/tree-height-meter/id6784830694/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 29 MB | 49 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [T.C.C. Technology Company Limited](https://appshunter.io/developer/1369816707) | [heekyung moon](https://appshunter.io/developer/6779193748) |

## What reviewers say

### OK Recycle

[App page](https://appshunter.io/ios/app/ok-recycle/id1490058320)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tree Height Meter

[App page](https://appshunter.io/ios/app/tree-height-meter/id6784830694)

Estimate the height of trees, poles, and buildings using your phone's camera and trigonometry. Offers two measurement methods and can also calculate distance and area. Useful for professionals and curious individuals alike.

**Highlights:** Estimates tree, pole, and building heights, Two-point and eye-height measurement methods, Live elevation-angle readout, Distance and area calculation, Timber volume estimation, Exportable measurement history

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

**In-app purchases:** none


## Frequently asked questions

### Is OK Recycle free?

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

### Is Tree Height Meter free?

Tree Height Meter is free to download, with no in-app purchases.

### Do OK Recycle or Tree Height Meter have ads?

Tree Height Meter shows ads; OK Recycle does not.

### Which is updated more often, OK Recycle or Tree Height Meter?

OK Recycle ships an update monthly, and Tree Height Meter every 3 days. Most recently, OK Recycle was updated on October 10, 2026 and Tree Height Meter on October 12, 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.*