Comparison

iForester vs Diametree

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Tree diameter meter

About

iForester

Features

Read full description

An app for tree inventory and tree diameter and DBH measurement

About

Diametree

Features

Read full description

This application uses LiDAR technology to detect a tree trunk and calculate its DBH (diameter at breast height), a standard forestry measurement taken 1.30 meters above the base. The app accurately captures depth and dimensional data to quickly and non-invasively assess the tree’s thickness. An auto-renewable subscription funds ongoing server features: secure cloud processing, multi-device sync/backup, and regular updates to AI parameters/content. These server-side features remain available while the subscription is active. Sign-in is required because captures are processed on our servers to enable cloud processing, per-account quotas, and audit logs. Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iForester4 screens

Diametree4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard3 real differences · 3 level

iForester versus Diametree: the parameters behind the verdict, then further details
Parameter	iForester	Diametree
Price	Free	Free
Update frequency	Every 2 months — better	Every 10 months
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad
Requires iOS	15.6 — better	17.6
Further details — not scored
Size	143 MB	177 MB
Age rating	4+	4+
Developer	Purdue Research Foundation (Apps)	Panoimagen

In-app purchases

None

iForester

No in-app purchases

1 purchases

Diametree

Subscriptions1

Monthly$8.991 Month

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.