# SnapTax vs Decode RPO

The clearest difference is update cadence: SnapTax at every 2 days against Decode RPO's every 5 days. Decode RPO's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SnapTax ships an update every 2 days, Decode RPO every 5 days. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SnapTax | Decode RPO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (22 ratings)](https://appshunter.io/ios/app/decode-rpo/id6759104746/reviews)** |
| Number of ratings | — | **22** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Ad-supported |
| Size | 4 MB | 66 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Daniel Quintero](https://appshunter.io/developer/1866400691) | [Vyacheslav Kravchina](https://appshunter.io/developer/1738469819) |

## What reviewers say

### SnapTax

[App page](https://appshunter.io/ios/app/snaptax/id6757366680)

**In-app purchases:** none


### Decode RPO

[App page](https://appshunter.io/ios/app/decode-rpo/id6759104746)

Instantly decode GM vehicle RPO codes by scanning the QR code on your vehicle's label. Get a clear list of factory options installed on your car, making it easy to understand its specifications. Supports 2017 and newer model years.

**Highlights:** Scan GM vehicle QR codes, Decode RPO (Regular Production Option) codes, Get clear descriptions of factory options, Supports 2017+ model years, Simple and intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is SnapTax free?

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

### Is Decode RPO free?

Decode RPO is free to download, with no in-app purchases.

### Do SnapTax or Decode RPO have ads?

Neither SnapTax nor Decode RPO shows ads.

### Which is updated more often, SnapTax or Decode RPO?

SnapTax ships an update every 2 days, and Decode RPO every 5 days. Most recently, SnapTax was updated on October 12, 2026 and Decode RPO on October 9, 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.*