Allowance vs Knot Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Allowance
This app uses AI agents to make purchases for you without sharing your card details. You approve every transaction, maintain control, and continue to earn card rewards. It creates one-time payment credentials for secure, AI-assisted shopping.
- AI-powered purchasing
- Card number protection
- One-time payment credentials
- User payment approval
- Earn card rewards
- In-app merchant chat
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Allowance lets AI agents handle purchases for you without ever sharing your card details. You approve every payment, stay in control, and keep earning rewards on your card. This is how payments should work in an AI world. Connect your card, let AI find what you need, approve the purchase, and Allowance creates a one-time payment for it. No card number is shared, and every purchase is approved by you. Chat directly in the app with supported merchants, or use Allowance with AI tools like OpenAI Codex, OpenClaw, and Anthropic Claude to complete purchases securely. Your card details are nver exposed to AI, but your card still earns rewards like normal. You stay in control of every payment. One-time credentials are used for each purchase. Software can now act on your behalf. Allowance makes sure it does it safely.
Knot Zero
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Knot puts your card on file at the subscriptions and stores you already use, in seconds, without typing your card details at each one. • Pick a merchant • Sign in once • Your card is updated on file automatically Knot is available through participating banks and card issuers. Your bank sends you a link to get started.
Screenshots
Verdict
The clearest difference is iOS requirement: Knot Zero at 16.0 against Allowance's 18.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Allowance ships an update every 9 days, Knot Zero weekly. Both last shipped on October 24, 2026.
| Parameter | Allowance | Knot Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (18 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 18 — better | — |
| Update frequency | Every 9 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Allowance Inc. | Millions |
In-app purchases
Allowance
No in-app purchases
Knot Zero
No in-app purchases
