# IDfier vs Field Area Measure

The clearest difference is update cadence: Field Area Measure at every 2 days against IDfier's monthly. IDfier's advantage is iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. IDfier sells 6 in-app purchases, starting at $2.99 per month and Field Area Measure sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

IDfier ships an update monthly, Field Area Measure every 2 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IDfier | Field Area Measure |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 210 MB | 58 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SoLiDware AB](https://appshunter.io/developer/1686979757) | [RETRYTECH LLP](https://appshunter.io/developer/1544420363) |

## What reviewers say

### IDfier

[App page](https://appshunter.io/ios/app/idfier/id6448929870)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IDfier Basic | $2.99 | per month |
| IDfier Pro | $9.99 | per month |
| Individual | $24.99 | per year |
| IDfier Pro | $84.99 | per year |
| One Time Verification | $1.49 | one-time |
| One+One Verification | $2.49 | one-time |


### Field Area Measure

[App page](https://appshunter.io/ios/app/field-area-measure-plotrace/id6808253333)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plotrace Pro Monthly | $9.99 | per month |
| Plotrace Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is IDfier free?

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

### Is Field Area Measure free?

Field Area Measure is free to download, with in-app purchases available.

### Do IDfier or Field Area Measure have ads?

Neither IDfier nor Field Area Measure shows ads.

### Which is updated more often, IDfier or Field Area Measure?

IDfier ships an update monthly, and Field Area Measure every 2 days. Most recently, IDfier was updated on October 6, 2026 and Field Area Measure on October 13, 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.*