# Triplur vs ULEZ Checker

The clearest difference is ads: Triplur at none against ULEZ Checker's shown. ULEZ Checker's advantage is update cadence (every 2 days vs every 17 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Triplur ships an update every 17 months, ULEZ Checker every 2 days. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Triplur | ULEZ Checker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 2 days** |
| Monetization | — | Ad-supported |
| Size | 25 MB | 40 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Micro Tech London Limited](https://appshunter.io/developer/1577083081) | [Black Sheep Media Ltd](https://appshunter.io/developer/1666260830) |

## What reviewers say

### Triplur

[App page](https://appshunter.io/ios/app/triplur/id6443848559)

**Features:** macOS Compatibility

**In-app purchases:** none


### ULEZ Checker

[App page](https://appshunter.io/ios/app/ulez-checker/id6476805318)

Easily check if your vehicle is compliant with London's expanded Ultra Low Emission Zone. Simply enter your vehicle's plate number to determine if you need to pay a daily charge. The app also features an interactive map to visualize the zone and check specific locations or postal codes.

**Highlights:** ULEZ compliance check by plate number, Interactive ULEZ zone map, Postal code zone lookup, Daily charge information, Vehicle emission standard guidance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Triplur free?

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

### Is ULEZ Checker free?

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

### Do Triplur or ULEZ Checker have ads?

ULEZ Checker shows ads; Triplur does not.

### Which is updated more often, Triplur or ULEZ Checker?

Triplur ships an update every 17 months, and ULEZ Checker every 2 days. Most recently, Triplur was updated on September 29, 2026 and ULEZ Checker on October 7, 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.*