# Seritag NFC Encoder vs Indus PDF

The clearest difference is in-app purchases: Indus PDF at none against Seritag NFC Encoder's 3. Seritag NFC Encoder's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Seritag NFC Encoder sells 3 one-off in-app purchases. Indus PDF asks for nothing beyond the download.

Seritag NFC Encoder ships an update every 11 days, Indus PDF every 6 weeks. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Seritag NFC Encoder | Indus PDF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 75 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TabDesk Ltd](https://appshunter.io/developer/1709292571) | [Arpit Kanstiya](https://appshunter.io/developer/1861058320) |

## What reviewers say

### Seritag NFC Encoder

[App page](https://appshunter.io/ios/app/seritag-nfc-encoder/id6739066343)

This utility app allows users to read, write, and lock various NFC tags. It can scan tags to retrieve encoded data like URLs or text, identify unique chip IDs, and determine if a chip is locked or writable.

**Highlights:** Read NFC tag data (URL, text), Get NFC chip Unique ID, Check if NFC chip is locked, Check if NFC chip is writable, Write data to NFC tags, Lock NFC tags

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Password Features: 5 Tags | $1.99 | one-time |
| Password Features: 25 Tags | $4.99 | one-time |
| Password Features: 100 Tags | $14.99 | one-time |


### Indus PDF

[App page](https://appshunter.io/ios/app/indus-pdf-scanner-and-ocr/id6785264499)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seritag NFC Encoder free?

Seritag NFC Encoder is free to download, with in-app purchases available.

### Is Indus PDF free?

Indus PDF is free to download, with no in-app purchases.

### Do Seritag NFC Encoder or Indus PDF have ads?

Neither Seritag NFC Encoder nor Indus PDF shows ads.

### Which is updated more often, Seritag NFC Encoder or Indus PDF?

Seritag NFC Encoder ships an update every 11 days, and Indus PDF every 6 weeks. Most recently, Seritag NFC Encoder was updated on October 4, 2026 and Indus PDF on October 14, 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.*