# JWT & Base64 Decoder/Verifier vs Frame Mockup Screen

The clearest difference is in-app purchases: JWT & Base64 Decoder/Verifier at none against Frame Mockup Screen's 1. JWT & Base64 Decoder/Verifier also leads on iOS requirement (15.0 vs 18.0). Frame Mockup Screen's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Frame Mockup Screen sells 1 in-app purchase, starting at $12.99 per month. JWT & Base64 Decoder/Verifier asks for nothing beyond the download.

JWT & Base64 Decoder/Verifier ships an update every 6 weeks, Frame Mockup Screen every 3 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JWT & Base64 Decoder/Verifier | Frame Mockup Screen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 38 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuan-Yi Chang](https://appshunter.io/developer/784363421) | [Dywtal Digital](https://appshunter.io/developer/1862262628) |

## What reviewers say

### JWT & Base64 Decoder/Verifier

[App page](https://appshunter.io/ios/app/jwt-and-base64-decoderverifier/id6774981612)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Frame Mockup Screen

[App page](https://appshunter.io/ios/app/frame-mockup-screen/id6776214293)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Frame Mockup Screen Premium | $12.99 | per month |


## Frequently asked questions

### Is JWT & Base64 Decoder/Verifier free?

JWT & Base64 Decoder/Verifier is free to download, with no in-app purchases.

### Is Frame Mockup Screen free?

Frame Mockup Screen is free to download, with in-app purchases available.

### Do JWT & Base64 Decoder/Verifier or Frame Mockup Screen have ads?

JWT & Base64 Decoder/Verifier shows ads; Frame Mockup Screen does not.

### Which is updated more often, JWT & Base64 Decoder/Verifier or Frame Mockup Screen?

JWT & Base64 Decoder/Verifier ships an update every 6 weeks, and Frame Mockup Screen every 3 months. Most recently, JWT & Base64 Decoder/Verifier was updated on November 7, 2026 and Frame Mockup Screen on November 5, 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.*