Ducky Model Editor vs Upvia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ducky Model Editor
This app helps developers infer programming language models directly from JSON data. It supports multiple languages and offers customization options to streamline the model creation process.
- Infer JSON Schema
- Generate Swift models
- Generate Kotlin models
- Generate Dart models
- Generate Go models
- Generate Proto models
- Customizable model options
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Ducky is a document-based app that helps you infer models from JSON. - It can infer JSON Schema, Swift (Codable or AnandaModel), Kotlin, Dart (Null Safety), Go or Proto models. - It provides many options for you to customize the model. I think it will save you some time to build the model layer of your application. If you have any questions or suggestions, please contact me. - Twitter: @nixzhu - Email: zhuhongxu@gmail.com
Upvia
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Upvia is the fastest way to share any file from iOS securely and privately, using your own S3 or Cloudflare R2 bucket. Built for developers and power users, Upvia turns your iPhone into a cloud upload hub. From videos to PDFs, photos to zip files. Just share via the iOS share sheet, and Upvia will upload it in the background and give you a presigned link, all in one tap. No backend. No limits. No third-party storage. Instant Upload via Share Sheet Send files directly from any app, Photos, Safari, Files into your cloud storage. Private by Design Your credentials are securely stored in Apple Keychain. No data ever touches our servers. We don’t even have any. Supports S3 & Cloudflare R2 Upload to any S3-compatible storage or Cloudflare R2. You own your storage, you control access. Live Activity + Dynamic Island Track upload progress even when the app is closed or your device is locked. Smart Background Uploads Upload queues continue seamlessly with auto-retry, network awareness, and error recovery. Presigned Link Generation Share secure, time-limited download links in seconds. Upvia is the perfect tool for: - Devs sharing build artifacts or log files - Creators sending large media to clients - Anyone who wants full control over file hosting Use your own infra. Skip the middlemen. Get it done faster, smarter, and privately.
Screenshots
Verdict
The clearest difference is in-app purchases: Ducky Model Editor at none against Upvia's 2. Ducky Model Editor also leads on device support (4 vs 2) and iOS requirement (14.0 vs 18.0). Upvia's advantage is update cadence (fortnightly vs every 2 months). On price and ads 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
Both are free to download. Upvia sells 2 one-off in-app purchases. Ducky Model Editor asks for nothing beyond the download.
Ducky Model Editor ships an update every 2 months, Upvia fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Ducky Model Editor | Upvia |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (8 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 4 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 宏旭 朱 | NEKOBIT PTE. LTD. |
In-app purchases
Ducky Model Editor
No in-app purchases
Upvia
- Free TrialFree
- Full App Unlock Forever$2.99
