# Check VIN Decoder vs Gallons and Liters

The clearest difference is update cadence: Check VIN Decoder at every 2 months against Gallons and Liters's every 14 months. Check VIN Decoder also leads on iOS requirement (9.3 vs 17.0). Gallons and Liters's advantage is price ($0.99 vs $2.99). On ads, in-app purchases and device support there is nothing between them.

Check VIN Decoder costs $2.99 and Gallons and Liters $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Check VIN Decoder ships an update every 2 months, Gallons and Liters every 14 months. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Check VIN Decoder | Gallons and Liters |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | **[2.8 (20 ratings)](https://appshunter.io/ios/app/check-vin-decoder/id1426525838/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 14 months |
| Monetization | Paid | — |
| Size | 35 MB | 6 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yerzhan Tleuov](https://appshunter.io/developer/1422506641) | [takumi itou](https://appshunter.io/developer/1609700626) |

## What reviewers say

### Check VIN Decoder

[App page](https://appshunter.io/ios/app/check-vin-decoder/id1426525838)

Scan VIN barcodes with your camera to access comprehensive vehicle information. Explore detailed specs, error codes, and historical data. Includes useful articles and a personal query history with iCloud sync.

**Highlights:** Camera VIN barcode scanning, Full VIN information decoding, Useful articles and tips, Personal VIN query history, iCloud query history sync, Optimized for iPhone X series screens

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none


### Gallons and Liters

[App page](https://appshunter.io/ios/app/gallons-and-liters/id6502855167)

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

**In-app purchases:** none


## Frequently asked questions

### Is Check VIN Decoder free?

Check VIN Decoder costs $2.99, with no in-app purchases.

### Is Gallons and Liters free?

Gallons and Liters costs $0.99, with no in-app purchases.

### Do Check VIN Decoder or Gallons and Liters have ads?

Neither Check VIN Decoder nor Gallons and Liters shows ads.

### Which is updated more often, Check VIN Decoder or Gallons and Liters?

Check VIN Decoder ships an update every 2 months, and Gallons and Liters every 14 months. Most recently, Check VIN Decoder was updated on October 13, 2026 and Gallons and Liters on October 8, 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.*