Diff Checker vs Quota Board
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Diff Checker
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Compare two versions of any text and see exactly what changed ā line by line and word by word, highlighted the instant you paste. Most "spot the difference" attempts end in squinting at two walls of text side by side. DiffCheck does the reading for you: paste an old version and a new one, and every addition turns green, every deletion turns red, so the change jumps out in a second. It works on code, config files, contracts, and plain prose alike ā and it never sends a single character off your device. WHAT YOU GET - See every change at a glance ā additions in green, deletions in red, nothing missed - Switch between line-level and word-level diffs to catch even a single edited character - Read changes in a clean side-by-side split view that lines the two versions up - Copy a ready-to-use unified patch of any comparison straight to your clipboard - Keep a local history of past comparisons so you can revisit what changed and when - Save reusable snippets and sample diffs to compare the same text again fast PERFECT FOR - Developers reviewing code, pull requests, and config changes on the go - Writers and editors checking edits between two drafts - Legal and business users comparing contract or document revisions - Students learning how diffs and the unified patch format work WHY NOT JUST EYEBALL IT Reading two versions by hand is where mistakes hide ā a flipped number, a deleted clause, a changed flag. DiffCheck compares them character by character so you catch the change you would have scrolled right past. PRIVACY Your text never leaves your device. There are no accounts, no servers, and no tracking ā every comparison happens fully offline. FULL ACCESS DiffCheck is free to compare text. Full Access unlocks word-level diffs, the side-by-side split view, saved comparison history, and unified patch export. Choose the plan that fits: - Weekly plan - Yearly plan - Lifetime one-time purchase Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period; manage or cancel anytime in your App Store settings. The lifetime option is a one-time purchase. Paste two versions now and see what changed in a second. Terms of Use (EULA): https://web-levi.web.app/terms Privacy Policy: https://web-levi.web.app/privacy-policy Questions? https://web-levi.web.app/#contact
Quota Board
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Quota Board shows Claude and Codex usage for multiple accounts, each provider on its own tab and reorderable within it. It renders the limit windows each service actually returns instead of assuming every plan has the same pair. WHAT IT SHOWS ⢠A tab for Claude and a tab for Codex, at the same level, each refreshed by pulling down ⢠An optional automatic order that puts the account whose weekly limit resets soonest first ⢠5-hour, 7-day, 30-day, model-specific, and named additional windows when reported ⢠Claude extra-usage spending and Codex reset-credit availability when reported ⢠The age of every reading. A stale accumulating value is marked with ā„ because it is an honest lower bound, not a current fact ⢠Unknown data as unknown ā never silently converted to 0% ⢠English and Korean ⢠A built-in mixed-provider demo before signing in WHAT IT CANNOT DO ⢠Send prompts, messages, or inference requests, or consume reset credits ⢠Ask for, capture, or store a claude.ai or ChatGPT session cookie ⢠Import credentials owned by Claude Code or Codex ⢠Sync credentials or back them up to another device SIGNING IN Claude uses browser OAuth and asks only for profile information. Anthropic does not offer third-party client registration, so its page displays Claude Code; Quota Board explains that before opening it. Codex uses OpenAI's device-code flow. Device login may need to be enabled in ChatGPT Security or by a workspace administrator. OpenAI does not offer a usage-only Codex scope, so the credential itself is not read-only; Quota Board's shipped code has no inference or reset-consume route and reads usage only. Codex and ChatGPT Work share usage for the selected workspace. Tokens stay in the iOS Keychain. Every request uses an honest User-Agent beginning quota-board/. PRIVACY No analytics, no Quota Board account, and no servers of ours. The app talks directly to Anthropic or OpenAI. Removing an account deletes its local credential and attempts provider revocation. Quota Board is independent and is not made by, endorsed by, or affiliated with Anthropic or OpenAI. Claude, Anthropic, ChatGPT, Codex, and OpenAI are trademarks of their respective owners, used only to identify the services the app reads.
Screenshots
Verdict
The clearest difference is in-app purchases: Quota Board at none against Diff Checker's 2. On price, update cadence, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Diff Checker sells 2 in-app purchases, starting at $2.99 per 7 days. Quota Board asks for nothing beyond the download.
Diff Checker ships an update every 2 months, Quota Board every 5 weeks. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | Diff Checker | Quota Board |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 weeks ā better |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 ā better | 18.0 |
| Further details ā not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Phuc Pham | Mintc Inc. |
In-app purchases
Diff Checker
- Weekly$2.997 Days
- Yearly$14.991 Year
Quota Board
No in-app purchases









