# Chip Detector vs Tag

The clearest difference is iOS requirement: Tag at 15.1 against Chip Detector's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Chip Detector sells 1 one-off in-app purchase and Tag sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Chip Detector ships an update every 5 days, Tag weekly. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Chip Detector | Tag |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Size | 11 MB | 35 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Petr Makarov](https://appshunter.io/developer/1833268731) | [Meraki Dimension, Lda.](https://appshunter.io/developer/1315439032) |

## What reviewers say

### Chip Detector

[App page](https://appshunter.io/ios/app/chip-detector/id1574227239)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


### Tag

[App page](https://appshunter.io/ios/app/tag-nfc-reader-and-writer/id6759090078)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Lifetime Pro | $12.99 | one-time |


## Frequently asked questions

### Is Chip Detector free?

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

### Is Tag free?

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

### Do Chip Detector or Tag have ads?

Neither Chip Detector nor Tag shows ads.

### Which is updated more often, Chip Detector or Tag?

Chip Detector ships an update every 5 days, and Tag weekly. Most recently, Chip Detector was updated on October 21, 2026 and Tag on October 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*