# iForester vs Diametree

The clearest difference is in-app purchases: iForester at none against Diametree's 1. iForester also leads on update cadence (every 2 months vs every 10 months) and iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Diametree sells 1 in-app purchase, starting at $8.99 per month. iForester asks for nothing beyond the download.

iForester ships an update every 2 months, Diametree every 10 months. The most recent releases landed on September 19, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | iForester | Diametree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Size | 143 MB | 177 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Purdue Research Foundation (Apps)](https://appshunter.io/developer/1766511992) | [Panoimagen](https://appshunter.io/developer/1823882343) |

## What reviewers say

### iForester

[App page](https://appshunter.io/ios/app/iforester/id6464708769)

**Features:** macOS Compatibility

**In-app purchases:** none


### Diametree

[App page](https://appshunter.io/ios/app/diametree/id6748010621)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $8.99 | per month |


## Frequently asked questions

### Is iForester free?

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

### Is Diametree free?

Diametree is free to download, with in-app purchases available.

### Do iForester or Diametree have ads?

Neither iForester nor Diametree shows ads.

### Which is updated more often, iForester or Diametree?

iForester ships an update every 2 months, and Diametree every 10 months. Most recently, iForester was updated on September 19, 2026 and Diametree on September 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.*