Jayson

Simon B. Støvring · iOS

Jayson

Explore the ad evidence, study the storefront, and build your next acquisition hypothesis.

Paid-ad activity not yet verified
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01 / Creative research

Turn the unknowns into a research plan.

01

Check the acquisition promise

Read the store headline, screenshots and description. What problem is the app promising to solve?

Study the storefront
02

Look for ad evidence

Explore apps with direct store-link matches. Compare their hooks and formats without assuming the same approach works here.

Browse observed advertisers
03

Separate demand from paid growth

Store rankings and revenue estimates describe market context. They do not establish ad spend, conversions or ROAS.

Review the market context

02 / Storefront & product

Where the click lands.

Study the product story and store experience behind the acquisition funnel.

Screenshots

Jayson screenshot 1Jayson screenshot 2Jayson screenshot 3Jayson screenshot 4Jayson screenshot 5Jayson screenshot 6Jayson screenshot 7Jayson screenshot 8

03 / Market context

The business behind the app.

Keep revenue, downloads and store rankings separate from advertising performance.

How Much Does Jayson Make?

Monthly Revenue
$1.0K
Annualized estimate
$12.0K
Per Download
$0.14

Platform Performance

🍎iOS
Revenue
$1.0K
Downloads
7.0K
Rating
4.5 (422)

Rating Distribution

4.5
★★★★
422 reviews
5
7%
4
2%
3
6%
2
6%
1
80%

Top Countries

🇯🇵 JP🇧🇷 BR🇨🇳 CN
Reviews (3)
★★★★ѕтeғαɴ8/22/2026
LOVE The App, NOT a Fan of a Recent Change..

Jayson, my go-to tool for viewing and verifying JSON in Shortcuts development, has always been well-designed, reliable, and feature-packed. Its smooth, aesthetically pleasing, and intuitive UI extends these aspects to Shortcuts. However, my only complaint about the recent major update (v1.5.0) is the change to the ‘view JSON’ Shortcuts action. Before the update, this action allowed users to send or view input JSON to or in the App itself or via a notification. I used the notification option to open JSON text seamlessly, without interrupting my workflow. Shortcuts continued running, and I could view or exit JSON in the App anytime by tapping the notification. I could also preview JSON directly from the notification by long-pressing it. Unfortunately, the update removed the option to open JSON in a notification, making the only way to view JSON by leaving Shortcuts and opening the Jayson App. While this change doesn’t make the App unusable, it negatively impacts its implementation and overall utility for Shortcuts development. Lastly, I want to clarify: all new features/changes in the recent update are great! I’ll continue using Jayson in most future Shortcut builds. Despite my complaint, I highly recommend Jayson to anyone who regularly deals with JSON text on iOS, especially via Shortcuts.

★★★★★NeoYokel12/23/2022
I Am No Longer Afraid of JSON

All of Simon’s apps are genius and wholly unique, but Jayson will always have a special place in mine own heart as the single application which finally killed my phobia of JSON, in general. It is by far the most elegant and intelligent means of manipulating JSON dictionaries I’ve ever seen on any platform. I’ve worked with both the iOS and macOS apps, now, and both are - dare I say it - a genuine joy to use. BUY!

★★★★★FifiTheBulldog11/20/2020
I love this app!

I’m a power user of Shortcuts and (more recently) Scriptable, and on many occasions I need to work with JSON responses from APIs. This app is a lifesaver. It completely takes the guesswork out of the process of figuring out what keys I need to use to retrieve the data I need. I don’t know what I would do without Jayson. Bravo!

Version History (19)
1.5.28/21/2026
1.5.18/11/2026
1.5.08/10/2026
1.4.210/15/2021
1.4.11/4/2021
1.45/31/2020
1.3.44/2/2020
1.3.33/5/2020
1.3.212/28/2019
1.3.112/12/2019
Available In (115 Countries)
🇺🇸 United States🇦🇺 Australia🇨🇦 Canada🇨🇳 China🇫🇷 France🇩🇪 Germany🇬🇧 United Kingdom🇮🇹 Italy🇯🇵 Japan🇰🇷 South Korea🇷🇺 Russia🇩🇿 DZ🇦🇴 AO🇦🇷 Argentina🇦🇹 Austria🇦🇿 AZ🇧🇧 BB🇧🇾 BY🇧🇪 Belgium🇧🇲 BM🇧🇷 Brazil🇧🇬 Bulgaria🇨🇱 Chile🇨🇴 Colombia🇨🇷 CR🇭🇷 Croatia🇨🇿 Czech Republic🇩🇰 Denmark🇩🇴 DO🇪🇨 EC🇪🇬 Egypt🇸🇻 SV🇫🇮 Finland🇬🇭 GH🇬🇷 Greece🇬🇹 GT🇭🇰 Hong Kong🇭🇺 Hungary🇮🇳 India🇮🇩 Indonesia🇮🇪 Ireland🇮🇱 Israel🇰🇿 KZ🇰🇪 Kenya🇰🇼 KW🇱🇧 LB🇱🇹 Lithuania🇱🇺 LU🇲🇴 MO🇲🇬 MG🇲🇾 Malaysia🇲🇽 Mexico🇳🇱 Netherlands🇳🇿 New Zealand🇳🇬 Nigeria🇳🇴 Norway🇴🇲 OM🇵🇰 Pakistan🇵🇦 PA🇵🇪 Peru🇵🇭 Philippines🇵🇱 Poland🇵🇹 Portugal🇶🇦 QA🇷🇴 Romania🇸🇦 Saudi Arabia🇸🇬 Singapore🇸🇰 Slovakia🇸🇮 Slovenia🇿🇦 South Africa🇪🇸 Spain🇱🇰 LK🇸🇪 Sweden🇨🇭 Switzerland🇹🇼 Taiwan🇹🇭 Thailand🇹🇳 TN🇹🇷 Turkey🇺🇦 Ukraine🇦🇪 UAE🇺🇾 UY🇺🇿 UZ🇻🇪 VE🇻🇳 Vietnam🇧🇴 BO🇪🇪 Estonia🇱🇻 Latvia🇳🇮 NI🇵🇾 PY🇰🇭 KH🇦🇫 AF🇬🇪 GE🇮🇶 IQ🇱🇾 LY🇲🇦 MA🇲🇿 MZ🇲🇲 MM🇾🇪 YE🇧🇭 BH🇨🇾 CY🇲🇹 MT🇷🇸 RS🇧🇯 BJ🇧🇫 BF🇨🇲 CM🇨🇬 CG🇨🇮 CI🇯🇴 JO🇱🇦 LA🇲🇱 ML🇸🇳 SN🇹🇿 TZ🇺🇬 UG🇿🇲 ZM🇿🇼 ZW
Supported Languages (1)
English
App Details

Jayson is a JSON viewer and editor for iPhone and iPad. Browse JSON as a structure, edit values, and save your changes back to the file. Whether you'...

iOS App ID
1447750768
Content Rating
4+
Min OS
26.0
Size
35.1 MB
In-App Purchases
Yes
Publisher
Simon B. Støvring
De

In-App Purchases (1)

NamePriceType
Unlock Everything$4.99One-time