# AETRControl Signer vs Plant Identifier

The clearest difference is in-app purchases: AETRControl Signer at none against Plant Identifier's 2. AETRControl Signer also leads on iOS requirement (15.0 vs 17.0). Plant Identifier's advantage is update cadence (every 4 days vs every 9 months). On price, ads and device support there is nothing between them.

Both are free to download. Plant Identifier sells 2 in-app purchases, starting at $4.99 per 7 days. AETRControl Signer asks for nothing beyond the download.

AETRControl Signer ships an update every 9 months, Plant Identifier every 4 days. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AETRControl Signer | Plant Identifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 4 days** |
| Size | 7 MB | 18 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [TachoMI.hu Kft.](https://appshunter.io/developer/1775166406) | [JOSHUA ERIC BISHOP](https://appshunter.io/developer/1812726569) |

## What reviewers say

### AETRControl Signer

[App page](https://appshunter.io/ios/app/aetrcontrol-signer/id6737516497)

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

**In-app purchases:** none


### Plant Identifier

[App page](https://appshunter.io/ios/app/plant-identifier-leaflet/id6745528164)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leaflet Pro (Weekly) | $4.99 | per 7 days |
| Leaflet Pro (Annual) | $24.99 | per year |


## Frequently asked questions

### Is AETRControl Signer free?

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

### Is Plant Identifier free?

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

### Do AETRControl Signer or Plant Identifier have ads?

Neither AETRControl Signer nor Plant Identifier shows ads.

### Which is updated more often, AETRControl Signer or Plant Identifier?

AETRControl Signer ships an update every 9 months, and Plant Identifier every 4 days. Most recently, AETRControl Signer was updated on October 21, 2026 and Plant Identifier on October 28, 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.*