Icon Generator vs Boltcard NFC Programmer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Icon Generator
Easily create app icons in all required sizes. Select an image, choose target devices, and export the icon assets for your project. Available on iOS and iPadOS.
- Generate app icons in all necessary sizes
- Select custom images for icons
- Choose target devices for asset creation
- Export icon assets in AppIcon.appiconset format
- Available on iOS and iPadOS
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Icon Generator helps creating all the necessary image sizes for your App icons. Simply click the designated area on the app and select the image you want to use as an icon, choose the devices you want the assets to be created for and click export. Done! The icons will be saved in a folder where you will find the AppIcon.appiconset to copy into your project. Icon Generator is also available whilst you're on the go, you can download it on iOS and iPadOS. Any issues or questions please reach out and email sam+contact@samuelblackburn.com, alternatively use the Feedback section to send an email on the Settings page.
Boltcard NFC Programmer
This tool allows you to program blank NFC cards to function as personal Boltcards, enabling a contactless payment experience for the Lightning network. It requires prior setup of a Boltcard instance on GitHub.
- Program NTAG424DNA NFC cards
- Create personal Boltcards
- Contactless Lightning network payments
- Compatible with Lightning PoS terminals
- Works with Breez wallet PoS App
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Quickly program a blank NFC card (NTAG424DNA) to act as your own personal Boltcard. A contactless / paywave like experience for the Lightning network. Before programming your NFC card you must set up your own https://github.com/boltcard/boltcard The boltcard can be used with Lightning PoS terminals that have NFC support, or Breez wallet PoS App.
Screenshots
Verdict
The clearest difference is update cadence: Boltcard NFC Programmer at every 5 weeks against Icon Generator's every 5 months. Boltcard NFC Programmer also leads on iOS requirement (12.4 vs 15.0). Icon Generator's advantage is device support (4 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Icon Generator ships an update every 5 months, Boltcard NFC Programmer every 5 weeks. The most recent releases landed on September 19, 2026 and August 11, 2026 respectively.
| Parameter | Icon Generator | Boltcard NFC Programmer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Samuel Blackburn | Ones and Zeros Technology Limited |
Customer experience
Icon Generator
Boltcard NFC Programmer
In-app purchases
Icon Generator
No in-app purchases
Boltcard NFC Programmer
No in-app purchases
Questions
Is Icon Generator free?
Is Boltcard NFC Programmer free?
Do Icon Generator or Boltcard NFC Programmer have ads?
Which is updated more often, Icon Generator or Boltcard NFC Programmer?
Other comparisons
