Comparison

Cooldown vs Knockbox

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

Head to head
About

Cooldown

Features
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Cooldown shows how much of your AI subscriptions you've used before you hit the wall. Link your accounts and see every usage window, credit balance, and reset timer at a glance - in the app and in Home Screen and Lock Screen widgets. Stop getting cut off mid-task because you didn't know you were almost out. SUPPORTS 8 PROVIDERS Claude, ChatGPT / Codex, GitHub Copilot, Gemini, OpenRouter, Antigravity, Cursor, and Grok. Link more than one account per provider. WIDGET-FIRST Pick from a gallery of designs - rings, gauges, bars, battery, countdowns, and multi-account boards - sized for Small, Medium, Large, and the Lock Screen. Choose the design by name; every widget updates on its own. SMART ALERTS (all optional, all on-device) Get a heads-up at your usage thresholds, when a window resets, or when your burn rate says you'll run out before the reset. PRIVATE BY DESIGN No account to create. You sign in directly with each provider using their own secure sign-in; the tokens stay in your iPhone's Keychain and your usage is fetched straight from the provider to your device. We never see your tokens, your email, or your usage. The only data we collect is anonymous crash reports and product analytics to keep the app working - never your personal information. Independent app. Not affiliated with or endorsed by Anthropic, OpenAI, GitHub, Google, OpenRouter, Anysphere, or xAI. Cooldown offers optional auto-renewing subscriptions: - Plus: $3.99/month or $24.99/year (7-day free trial on annual) - Pro: $6.99/month or $49.99/year (7-day free trial on annual) Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://cooldown.soloship.io/privacy

About

Knockbox

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Knock once, and your phone buzzes. Knockbox turns one HTTP request into a push notification on your iPhone. Anything that can send a request can reach you: a deploy script, a cron job, a monitoring check, a CI pipeline, or a coding agent that has just finished a long task. If it needs your go-ahead before continuing, it can wait for your answer. curl -d "Build finished" https://your-server/api/v1/send/YOUR_TOKEN THE SERVER IS YOURS Knockbox is the client for a server you control. The server is open source and runs on a VPS, a NAS, or a Raspberry Pi at home. It holds its own Apple push key, so a notification goes from your machine to Apple and then to your phone, without passing through anyone in between. If you would rather not run anything, open knockbox.miramiao.com on your iPhone and you are connected โ€” no sign-up, no password. WHAT A MESSAGE CAN CARRY โ€ข A Markdown body with headings, lists, links and syntax-highlighted code. โ€ข Images, shown in the notification and kept with the message. โ€ข Long text. The body is fetched as the notification lands rather than packed into it, so there is no length limit to work around. โ€ข A title, a channel, and an interruption level: quiet, normal, or time sensitive when it has to break through Focus. REPLIES โ€ข The sender can attach a set of options, or allow a free-text answer. โ€ข Answer from the message itself. Your server posts the reply back to the address the sender gave, signed, and the sender takes it from there. โ€ข The sender can set a deadline. After it passes the message reads "Reply window closed" and the server stops accepting โ€” you are never left thinking an answer went through. โ€ข A message is answered once, and the answer is the same across your devices. CHANNELS โ€ข One token per channel, so a noisy monitor and a personal reminder stay apart. โ€ข Muting a channel truly stops it: the mute lives on the server, so nothing is sent at all. โ€ข Search your history, mark as read, delete a message, or clear a channel. Deletions are real, on the device and on the server. MORE THAN ONE DEVICE Pair a second iPhone or iPad from a device that is already connected. Both receive everything and share read state. TRY IT WITHOUT A SERVER Demo mode fills the app with example messages and sends a sample notification, so you can see how it works before setting anything up. FREE, AND THAT IS ALL No ads, no analytics, no account with us, no in-app purchase, no subscription. The app is free and the server is open source. Server source code: https://github.com/aichy126/knockbox Public server: https://knockbox.miramiao.com How to send: https://knockbox.miramiao.com/docs Questions: info@miramiao.com

Screenshots

Cooldown4 screens
Knockbox4 screens

Verdict

The call

Cooldown and Knockbox are too close to call on the numbers: across 6 compared parameters โ€” price, update cadence, ads and in-app purchases among them โ€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cooldown ships an update every 2 days, Knockbox daily. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

ScorecardNo meaningful differences
Cooldown versus Knockbox: the parameters behind the verdict, then further details
ParameterCooldownKnockbox
PriceFreeFree
Update frequencyEvery 2 daysDaily โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS16.4 โ€” better17.0
Further details โ€” not scored
Size45 MB7 MB
Age rating4+4+
DeveloperAlwaleed Alfayez่‹— ่‹—

In-app purchases

None

Cooldown

No in-app purchases

None

Knockbox

No in-app purchases

Questions

Is Cooldown free?
Cooldown is free to download, with no in-app purchases.
Is Knockbox free?
Knockbox is free to download, with no in-app purchases.
Do Cooldown or Knockbox have ads?
Neither Cooldown nor Knockbox shows ads.
Which is updated more often, Cooldown or Knockbox?
Cooldown ships an update every 2 days, and Knockbox daily. Most recently, Cooldown was updated on October 16, 2026 and Knockbox on October 6, 2026.

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