Comparison

Photo Sign vs Data Modeler

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

Head to head
About

Photo Sign

Features
Read full description

PhotoSign is an app that lets you take photos of signs and categorise them according to the type of sign you took a photo off. You can then export this either as a zip files with all photos and cut-outs, or directly as a zipped CreateML annotation folder and directly import this into CreateML to train your model. Future version of this app will have support for different projects, and support for categories other then Swedish Road Signs.

About

Data Modeler

Effortlessly create, visualize, and export complex data models for your projects. Design entities, relationships, and attributes with an intuitive editor. Add data to test your models and export them as JSON documents or diagrams.

Highlights
  • Intuitive data model editor
  • Create entities, attributes, and relationships
  • Define cardinalities and relationship types
  • Add and store data within models
  • Visualize models as ER diagrams
  • Export data as JSON documents
Features
Read full description

Data Modeler: Create, Export, and Visualize Your Data Models With Data Modeler, you can effortlessly create complex data models for your app, website, or database project. Create entities and relationships, and define attributes and cardinalities with ease. The editor is intuitive and responsive, with a wide range of tools at your fingertips. Once you have your data model set up, you can add data to it to make sure it works as expected. And when you're satisfied with your data, you can export it as JSON, so it's ready to use in your projects. You can also view it as a JSON diagram, making it easy to understand its structure and relationships at a glance. Create Complex Data Models with Ease: - Design data models quickly and efficiently with a responsive and intuitive editor. - Add entities, attributes, and cardinalities with a wide range of tools at your fingertips. - Create relationships between entities and define the type of relationship, cardinality, and properties with ease. - View your data models as an ER diagram to quickly understand their structure and relationships at a glance. Add and Export Data as JSON: - Add and store data from your data models with a responsive and intuitive editor. - View your data as a JSON diagram to quickly understand their structure and relationships at a glance. - Analyze complex data models with ease, and identify areas for improvement. - Export data as JSON document to use in your projects. In summary, Data Modeler is an easy-to-use app that simplifies data modeling by providing a responsive and intuitive editor, the ability to add data to those data models, and the ability to export data as JSON and visualize them with a JSON diagram. Whether you're a developer, designer, or project manager, Data Modeler has something to offer to improve your workflow and streamline your projects. Happy Data Modeling! ------- Terms of use: https://aarkaystudio.com/terms Privacy policy: https://aarkaystudio.com/privacy

Screenshots

Photo Sign3 screens
Data Modeler4 screens

Verdict

The call

The clearest difference is in-app purchases: Photo Sign at none against Data Modeler's 3. Photo Sign also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (13.0 vs 17.6). On price, ads 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

Both are free to download. Data Modeler sells 3 in-app purchases, starting at $8.49 per month. Photo Sign asks for nothing beyond the download.

UpkeepUpdate frequency

Photo Sign ships an update every 2 days, Data Modeler every 5 days. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Photo Sign versus Data Modeler: the parameters behind the verdict, then further details
ParameterPhoto SignData Modeler
PriceFreeFree
Rating—4.4 (5 ratings) — better
Positive reviews—54.5% of reviews
Number of ratings—5 — better
Update frequencyEvery 2 days — betterEvery 5 days
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, Mac
Requires iOS13.0 — better17.6
Further details — not scored
Size2 MB23 MB
Age rating4+4+
DeveloperAppTrix ABRahul Katariya

In-app purchases

None

Photo Sign

No in-app purchases

3 purchases

Data Modeler

Subscriptions2
  • Monthly$8.491 Month
  • Annual$59.991 Year
One-time1
  • Introductory Lifetime Offer$89.99

Questions

Is Photo Sign free?
Photo Sign is free to download, with no in-app purchases.
Is Data Modeler free?
Data Modeler is free to download, with in-app purchases available.
Do Photo Sign or Data Modeler have ads?
Neither Photo Sign nor Data Modeler shows ads.
Which is updated more often, Photo Sign or Data Modeler?
Photo Sign ships an update every 2 days, and Data Modeler every 5 days. Most recently, Photo Sign was updated on October 25, 2026 and Data Modeler on November 3, 2026.

Other comparisons