# The Power Factor Calc vs Tree Identifier

The clearest difference is update cadence: Tree Identifier at every 3 weeks against The Power Factor Calc's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. The Power Factor Calc sells 1 one-off in-app purchase and Tree Identifier sells 2 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

The Power Factor Calc ships an update every 2 months, Tree Identifier every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | The Power Factor Calc | Tree Identifier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (38 ratings)](https://appshunter.io/ios/app/tree-identifier-ai-tree-id/id6759808689/reviews)** |
| Number of ratings | — | **38** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 32 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [1BIGRIG Ltd](https://appshunter.io/developer/1792073283) | [Toto Ventures Inc.](https://appshunter.io/developer/570129172) |

## What reviewers say

### The Power Factor Calc

[App page](https://appshunter.io/ios/app/the-power-factor-calc/id6756420019)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| United Kingdom | $19.99 | one-time |


### Tree Identifier

[App page](https://appshunter.io/ios/app/tree-identifier-ai-tree-id/id6759808689)

Instantly identify tree species by taking a photo of their leaves or bark. Discover detailed profiles, fun facts, and build a personal collection of identified trees. Explore local flora and expand your knowledge of the natural world.

**Highlights:** Instant tree identification via photo, Leaf and bark recognition, Detailed species profiles, Personal field guide collection, Trees near me feature, Fascinating fun facts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Identifications Weekly | $6.99 | per 7 days |
| Unlimited Identifications Annual | $39.99 | per year |


## Frequently asked questions

### Is The Power Factor Calc free?

The Power Factor Calc is free to download, with in-app purchases available.

### Is Tree Identifier free?

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

### Do The Power Factor Calc or Tree Identifier have ads?

Neither The Power Factor Calc nor Tree Identifier shows ads.

### Which is updated more often, The Power Factor Calc or Tree Identifier?

The Power Factor Calc ships an update every 2 months, and Tree Identifier every 3 weeks. Most recently, The Power Factor Calc was updated on October 30, 2026 and Tree Identifier on October 31, 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.*