GrowingTimer vs Yajak
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GrowingTimer
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How much time do you really spend focused? GrowingTimer is a productivity timer app that records your focus time by category and visualizes your time usage patterns with intuitive statistics. # TRACK TIME BY CATEGORY Create custom categories like coding, exercise, reading, or studying. Record exactly how much time you invest in each activity. # TWO TIMER MODES - Stopwatch Mode: Track focus time freely with no limits - Countdown Mode: Set a target duration (25, 30, 45, or 60 min) and stay focused # VISUAL STATISTICS AT A GLANCE View category distribution with pie charts and analyze daily focus trends with bar charts. Review your growth over 1 week, 1 month, 1 year, or all time. # DYNAMIC ISLAND & LIVE ACTIVITIES Monitor and control your timer in real time from the Lock Screen and Dynamic Island β without opening the app. # WIDGET SUPPORT Access your timer quickly with a Home Screen widget. # ICLOUD SYNC Your records sync automatically across all your devices. Start building your focus time with GrowingTimer today.
Yajak
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βYajakβ is short for βnighttime work,β a term used in Korean art schools. If you draw or paint, you probably know the feeling of losing track of time with a piece, day or night. Record each session, keep it with the artwork, and see all those hours come together in a finished piece. Choose an artwork and start the timer. Add a process photo and a work note after a session, then revisit the dated entries and see time accumulated for that piece. Add material costs when useful. Make one card for a work in progress and another for a completed piece. Choose which details to show before saving or sharing. Rotate or crop a photo, compare two photos from the same artwork, and save a stored personal card back to this device. In a shared workroom, choose the artwork and attachments to connect. You can open the connected copy again from your personal library. When iCloud is unavailable, records are kept on this device. iCloud sync depends on a usable Apple Account and connection. Keep a separate .yajak backup of important records. Restoring a backup replaces the current records on this device with the selected file. Yajak Early is a one-time, non-consumable in-app purchase through the App Store. It raises the limit for active workrooms you own from one to three total; rooms you join are not counted. A verified purchase can be restored to the current Yajak account. Purchase restore does not restore artwork or work records.
Screenshots
Verdict
GrowingTimer and Yajak are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GrowingTimer ships an update fortnightly, Yajak weekly. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.
| Parameter | GrowingTimer | Yajak |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Weekly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch β better |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Choi chul woong | Project Cheum Inc |
In-app purchases
GrowingTimer
No in-app purchases
Yajak
No in-app purchases







