# Tree Height Meter vs Bionic Reading® Fonts

The clearest difference is in-app purchases: Tree Height Meter at none against Bionic Reading® Fonts's 6. Tree Height Meter also leads on update cadence (every 3 days vs every 6 days). Bionic Reading® Fonts's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Bionic Reading® Fonts sells 6 in-app purchases, starting at $4.90 per month. Tree Height Meter asks for nothing beyond the download.

Tree Height Meter ships an update every 3 days, Bionic Reading® Fonts every 6 days. The most recent releases landed on September 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Tree Height Meter | Bionic Reading® Fonts |
| --- | --- | --- |
| 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** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Ad-supported | — |
| Size | 49 MB | 13 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [heekyung moon](https://appshunter.io/developer/6779193748) | [Bionic Reading AG](https://appshunter.io/developer/1659624105) |

## What reviewers say

### 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


### Bionic Reading® Fonts

[App page](https://appshunter.io/ios/app/bionic-reading-fonts/id6807804213)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bionic Reading® | $4.90 | per month |
| Bionic Reading® Serif | $4.90 | per month |
| Bionic Reading® Bundle | $7.90 | per month |
| Bionic Reading® | $49.00 | per year |
| Bionic Reading® Serif | $49.00 | per year |
| Bionic Reading® Bundle | $79.00 | per year |


## Frequently asked questions

### Is Tree Height Meter free?

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

### Is Bionic Reading® Fonts free?

Bionic Reading® Fonts is free to download, with in-app purchases available.

### Do Tree Height Meter or Bionic Reading® Fonts have ads?

Tree Height Meter shows ads; Bionic Reading® Fonts does not.

### Which is updated more often, Tree Height Meter or Bionic Reading® Fonts?

Tree Height Meter ships an update every 3 days, and Bionic Reading® Fonts every 6 days. Most recently, Tree Height Meter was updated on September 26, 2026 and Bionic Reading® Fonts on October 6, 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.*