Userscripts vs API Key Manager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Userscripts
This open-source Safari extension allows you to run custom JavaScript and CSS code on any website. Enhance your browsing experience with personalized styling, automatic redirects, and ad-blocking.
- Run custom JavaScript
- Inject custom CSS
- Automatic page redirection
- Website page manipulation
- Custom ad-blocking
- Open source
- No user tracking
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Userscripts is an open source Safari extension that lets you save and run arbitrary bits of JavaScript (and CSS) code for the websites you visit. Features: - Open source - No user tracking Use cases: - Automatic page redirection - Website page manipulation (styling, element creation) - Custom ad-blocking - Custom code injection - Custom style injection If you're looking for a way to easily create quality of life Javacript code snippets for your web browsing experience, give Userscripts a try. Visit the GitHub repository for help or to report bugs: https://github.com/quoid/userscripts/
API Key Manager
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API Key Manager is a private vault for the credentials developers use every day — on iPhone, iPad, and Mac. PROTECT EVERY SECRET • API key values are stored in the Keychain, never in the app database • Optional Face ID protects reveal and copy actions • Copied keys stay on this device and never leave through Universal Clipboard • No account, ads, analytics, tracking, or credential server ORGANIZE YOUR WAY • Only a name and secret are required — everything else is optional • Presets for OpenAI, Stripe, Anthropic, GitHub, and AWS, or enter any provider • Choose an icon independently from the provider • Label development, staging, and production credentials • Search names, providers, environments, and notes FREE AND PRO The Free plan stores up to 3 credentials with every security feature included. Pro unlocks unlimited credentials and end-to-end encrypted sync across iPhone, iPad, and Mac through your iCloud Keychain. Monthly and annual plans are processed by Apple, can be restored, and may be cancelled in App Store subscription settings. Privacy Policy: https://api-key-manager-ios.kai-54321.chatgpt.site/privacy Terms of Use: https://api-key-manager-ios.kai-54321.chatgpt.site/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Userscripts at none against API Key Manager's 2. Userscripts also leads on chart position (#27 vs unranked) and device support (4 vs 2). On price, update cadence 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. API Key Manager sells 2 in-app purchases, starting at $1.99 per month. Userscripts asks for nothing beyond the download.
Userscripts ships an update monthly, API Key Manager every 5 weeks. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.
| Parameter | Userscripts | API Key Manager |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (181 ratings) — better | — |
| Positive reviews | 78.1% of reviews | — |
| Number of ratings | 181 — better | — |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Best chart rank | #27 — better | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, Mac |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Justin Wasack | Kai Natori |
Bugs and requests
Userscripts
Reported bugs
4 issues- Failed to load user data
- Saying there's an error when trying to download something
- Won't work, keeps saying there's an issue and retry
- Disappeared from Safari preferences and won't return after troubleshooting
Requested features
5 requests- Add support for Safari Tech Preview
- Allow editing of userscripts from the browser extension popup
- Allow creation of a new script from the Safari Extension for the current site
- Allow specifying the order in which scripts should be loaded
- Add support for running scripts in normal mode, private mode or both
API Key Manager
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Userscripts
No in-app purchases
API Key Manager
- Monthly Pro$1.991 Month
- Annual Pro$19.991 Year
