JoyaTimer vs AI limits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JoyaTimer
This app helps you precisely time bell strikes, inspired by a Japanese New Year's tradition. It allows customization of strike intervals and counts, with a special mode to ensure the final strike lands exactly at midnight. Features include sound and vibration alerts, with additional modes for quick starts and timing challenges.
- Customizable strike interval and count
- Joya Mode for precise midnight timing
- Sound and vibration alerts
- Device stays awake while timer runs
- Compass for orientation
- Start Now and Game Mode (Beta)
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JoyaTimer is a specialized yet simple timer app inspired by a Japanese traditional New Year’s Eve event called “Joya no Kane”. At many Buddhist temples across Japan, priests strike the temple bell 108 times on New Year’s Eve. The final strike should sound exactly at 0:00 a.m. on January 1st. This app helps you ring the bell at precise timing with sound and vibration (iPhone only). I originally made this app for New Year’s Eve 2011 and actually used it. It was convenient, so I decided to publish it. Key Features • Set the interval (seconds) between strikes (default: 20 seconds) • Set the number of strikes (default: 108) • “Joya Mode” (default: ON) automatically calculates and displays when you should start the first strike so that the last strike finishes exactly at midnight • Sound alerts at the configured interval, plus vibration support (iPhone only) • If Joya Mode is OFF, you can pause the timer • While Joya Mode is ON, the Start button disappears after starting to prevent accidental taps • The device will not sleep while the timer is running (please watch your battery) • Compass: find north on the timer screen (supported devices only) Tip When you press Start, it counts as the first strike. If you plan to ring 108 times, setting the count to 109 and ignoring the first “strike” can make the operation easier. How-to Video https://youtu.be/CQwCRaXpC9I New Features from Ver. 7 • Start Now (Beta): quick-start support for late-evening use • Game Mode (Beta): timing challenge for accurate bell strikes • End-time setting: choose when the ringing should finish Improvements after Ver. 7 • (7.1) Improved judgement accuracy and score display • (7.1) Enhanced mic threshold tuning and effects • (7.2) Enhanced scoreboard and high-score effects • (7.3) Internal code optimization and maintainability improvements Notes / Important • Please make sure your iOS device clock is accurate • Airplane Mode is recommended (the app is configured not to run in the background) • Test and simulate the timer in advance • If pressing Start exactly at the first strike is difficult, set the count to 109 and begin from the second alert • “Time Correction” was added in Ver. 2.9 because it is hard to adjust iOS clocks at the second scale. If your device is 5 seconds ahead of actual time, set it to “-5”. Since Airplane Mode is recommended, network time sync (e.g., NTP) is not assumed; manual correction works best • If you find any bug, please contact the support page (Facebook page) Sound List (sound number mapping) Sound quality is not good yet; we plan to re-record in the future. 1. Electric sound 2. Big bell (Electric) 3. Big bell in Jyousenji temple (bad sound due to a crack) 4. Bell in Jyousenji (Large Kin) 5. Bell in Jyousenji (Medium Kin) 6. Sawari in Jyousenji
AI limits
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AI limits is for Claude, Gemini and ChatGPT subscribers (Codex limits) who want to know, without opening a browser, where they stand on their usage limits: the 5-hour limit and the weekly limit. Independent app, not affiliated with Anthropic or Google. "Claude" is a trademark of Anthropic; "Gemini" is a trademark of Google LLC. ChatGPT and Codex are trademarks of OpenAI. This app is independent and is not affiliated with OpenAI. FREE FOR 7 DAYS, THEN A ONE-TIME $1.99 PURCHASE The download is free, with every feature for 7 days from the download. After that, without a purchase, real readings, widgets, complications, notifications, Live Activities, Siri and the Apple Watch stop working, and adding an account is blocked. A single in-app purchase, "Full access", at $1.99 (equivalent price in your currency) restores them on iPhone, Mac and Apple Watch with the same Apple ID. No subscription, no Family Sharing. Demo mode stays free, with no time limit. The purchase can be restored in Settings. WHAT YOU SEE • One card per account: percentage used, ring, time left before reset; detail per window and a 7-day history. • When a limit is reached: a countdown to the resume time, then "You can resume". • A pace forecast: "at this pace, limit reached around 4:20 PM". WHEREVER YOU WANT IT • Widgets for the Home Screen, Lock Screen and StandBy. • Apple Watch: accounts, detail and complications. • Mac: window, widgets and menu bar. • Dynamic Island and Lock Screen: a resume counter when a limit is reached (started with the app open or with one gesture; resume within 8 hours). • Siri and Shortcuts: "Where do I stand with AI limits". NOTIFICATIONS • Alerts at 70, 90 and 100% and when a window resets, scheduled on your device, with no server. They depend on readings taken while the app runs (frequency decided by iOS). SYNC • iCloud option: your devices share the account list and the latest readings through your private iCloud, with no password, cookie or token. A Mac that is on can take readings for your other devices. CHATGPT (CODEX LIMITS) • Add a ChatGPT account: Codex limits of your subscription (5-hour and weekly, percentage, resume time). A ChatGPT subscription that includes Codex is required; message limits are not tracked. • Unofficial, may stop working. Tested with ChatGPT Plus; sign-in tested with email only. Widgets and Watch read when iOS allows, otherwise the app's latest reading. PRIVACY • No developer server, no analytics, no ads, no data collection. • You sign in on the official claude.ai, Google or chatgpt.com page, in a window inside the app: it never sees your password. The Claude session goes in the keychain; Gemini's stays in web storage of the app; so does ChatGPT's, plus its session cookie in the keychain, to read outside the app. • The app only contacts claude.ai, api.anthropic.com, Google services (gemini.google.com) and, if you add a ChatGPT account, chatgpt.com with its sign-in pages (openai.com, accounts.google.com, appleid.apple.com, challenges.cloudflare.com), from your device. • Deleting an account erases its credentials, web session and readings. DEMO MODE No account? Every feature (ChatGPT included) with sample data, no sign-in. GOOD TO KNOW • Neither Anthropic, Google nor OpenAI publishes a stable API for these limits. The app reads the same pages you would; if a service changes, it shows a clear message rather than made-up figures and may stop working until an update. • Google may refuse sign-in inside an embedded window; the app says so. • A paid subscription is required for real readings: Claude (Pro/Max), Gemini (Google AI Pro/Ultra) or ChatGPT including Codex (tested with Plus).
Screenshots
Verdict
The clearest difference is update cadence: AI limits at every 3 days against JoyaTimer's every 2 months. JoyaTimer's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases 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
Both are free to download. JoyaTimer sells 1 one-off in-app purchase and AI limits sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
JoyaTimer ships an update every 2 months, AI limits every 3 days. The most recent releases landed on October 10, 2026 and October 29, 2026 respectively.
| Parameter | JoyaTimer | AI limits |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, Mac, Apple Watch |
| Requires iOS | 15.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 16 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Daishin Ueyama | CAPCOD |
In-app purchases
JoyaTimer
- Donate a cup of coffee.$0.99
AI limits
- Full unlock$1.99









