Comparison

API Matrix vs API Key Manager

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Private API Key Vault

Free

🛠️ Developer Tools

No ratingsView app →

About

API Matrix

Features

Read full description

API Matrix is a privacy-first key vault built for developers who work with multiple AI providers. All your credentials stay on-device, locked behind Face ID or fingerprint. 34 providers supported — including OpenAI, Anthropic, DeepSeek, Gemini etc. Biometric lock — Face ID / fingerprint unlocks your vault automatically Ping test — Validate each key with the correct provider endpoint and auth header Usage & cost tracking — OpenAI, Anthropic, OpenRouter, DeepSeek, DeepInfra One-copy export — curl commands, .env snippets, and OpenRouter config 100% on-device — expo-secure-store, no cloud, no tracking

About

API Key Manager

Features

Read full description

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

API Matrix4 screens

API Key Manager4 screens

Verdict

The call

The clearest difference is in-app purchases: API Matrix at none against API Key Manager's 2. API Matrix also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (16.4 vs 18.0). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. API Key Manager sells 2 in-app purchases, starting at $1.99 per month. API Matrix asks for nothing beyond the download.

UpkeepUpdate frequency

API Matrix ships an update every 5 days, API Key Manager every 5 weeks. Both last shipped on October 9, 2026.

Scorecard3 real differences · 3 level

API Matrix versus API Key Manager: the parameters behind the verdict, then further details
Parameter	API Matrix	API Key Manager
Price	Free	Free
Update frequency	Every 5 days — better	Every 5 weeks
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone	iPhone, Mac — better
Requires iOS	16.4 — better	18.0
Further details — not scored
Size	50 MB	2 MB
Age rating	4+	4+
Developer	Chi Hin Lio	Kai Natori

In-app purchases

None

API Matrix

No in-app purchases

2 purchases

API Key Manager

Subscriptions2

Monthly Pro$1.991 Month
Annual Pro$19.991 Year

Questions

Is API Matrix free?

API Matrix is free to download, with no in-app purchases.

Is API Key Manager free?

API Key Manager is free to download, with in-app purchases available.

Do API Matrix or API Key Manager have ads?

Neither API Matrix nor API Key Manager shows ads.

Which is updated more often, API Matrix or API Key Manager?

API Matrix ships an update every 5 days, and API Key Manager every 5 weeks. Most recently, API Matrix was updated on October 9, 2026 and API Key Manager on October 9, 2026.