Comparison

Detect Road Sign vs Parkchive

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Detect Road Sign

Features
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We are very pleased to present You an amazing App that uses the latest Apple technology - Create ML! Create ML is a Machine Learning Model, which we pretrained with ~4’000 road signs from over 30 European countries! Combined with this amazing Apple technology, this App: - allows you to scan road signs - then processes them using the pretrained Create ML Model - suggests what the road sign means and shows you its interpretation and accuracy of each analysis - presents what are the variations of this Road Sign in other European countries. In addition, this application shows the Road Signs in each of over 30 European countries. This application allows you to analyze about 4’000 Road Signs of more than 30 European countries, with descriptions and images. This application is based on the latest information and materials available in the largest library in the world - Wikipedia (wikipedia.com). This application processes and analyzes data in order to present advanced analysis in an appropriate, synthetic and user-friendly, visualized way. Caution: This application is for educational purposes only and may not be used as a basis for interpreting road signs and applying the rules of the road in any country. Because each country has its traffic code and it is the basis for the application of road traffic rules, the authors of this App do not take any responsibility for the consequences of its use.

About

Parkchive

Features
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Your Digital Passport to the Great Outdoors Parkchive is the ultimate companion for every National Park explorer, history buff, and weekend hiker. Whether you’re standing at the rim of the Grand Canyon or exploring a historic battlefield, Parkchive helps you document every journey with beautiful, location-verified digital stamps. Capture the Moment Don't just visit—commemorate. Use your iPhone’s GPS to "check in" and unlock exclusive digital stamps only available when you are physically at the park. Features You’ll Love: Comprehensive Directory: Detailed guides for National Parks, Battlefields, Memorials, and Historical sites. Smart Proximity: Instantly see which parks are closest to you and get notified when you’re in range to collect a stamp. Official NPS Info: Find the exact locations of physical NPS passport cancellation stations within the parks. Special Events: Earn limited-edition stamps for visiting during anniversaries or special event windows. Wander Wishlist: Plan your future adventures by saving the parks you can’t wait to see. Personal Milestones: Track your progress and earn badges as you grow your collection of memories. Beautifully Designed for Discovery Enjoy a stunning SwiftUI interface featuring a polaroid-style image carousel and a clean, "National Park" aesthetic that feels like an extension of the parks themselves. Privacy Policy: https://github.com/Linzeep/apps_privacypolicy/blob/main/PrivacyPolicy_Consolidated.md Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Detect Road Sign4 screens
Parkchive4 screens

Verdict

The call

The clearest difference is price: Parkchive at Free against Detect Road Sign's $4.99. Parkchive also leads on update cadence (weekly vs every 2 months). Detect Road Sign's advantage is iOS requirement (13.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Parkchive is free to download; Detect Road Sign costs $4.99 up front. Detect Road Sign sells 1 one-off in-app purchase and Parkchive sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Detect Road Sign ships an update every 2 months, Parkchive weekly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 3 level
Detect Road Sign versus Parkchive: the parameters behind the verdict, then further details
ParameterDetect Road SignParkchive
Price$4.99Free — better
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Apple Watch
Requires iOS13.0 — better18.5
Further details — not scored
Size134 MB144 MB
Age rating4+4+
DeveloperMikolaj AdamowiczLindsey Prentice

In-app purchases

1 purchases

Detect Road Sign

One-time1
  • Premium Access$1.99
5 purchases

Parkchive

One-time5
  • Stamp Pack - Battlefields$1.99
  • Stamp Pack - Memorials$1.99
  • Stamp Pack - Historic$2.99
Show 2 more
  • All Stamps$5.49
  • Park Ranger$9.99

Questions

Is Detect Road Sign free?
Detect Road Sign costs $4.99, and also offers in-app purchases.
Is Parkchive free?
Parkchive is free to download, with in-app purchases available.
Do Detect Road Sign or Parkchive have ads?
Neither Detect Road Sign nor Parkchive shows ads.
Which is updated more often, Detect Road Sign or Parkchive?
Detect Road Sign ships an update every 2 months, and Parkchive weekly. Most recently, Detect Road Sign was updated on November 3, 2026 and Parkchive on November 5, 2026.

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