Fasting Clock vs Hollow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Fasting Clock
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Your personal fasting clock, starting from your last meal. The fasting clock records the time of your last meal and shows you exactly how much time remains until your fasting goal. Key Features - Fasting Timer Record your meal time with a single tap and track the time remaining to your goal β down to the hour, minute, and second in real time. - Storybook-Style Clock A beautifully crafted clock in a fairytale aesthetic. Your fasting progress fills in as an arc sweeping clockwise from the 12 o'clock position. - Multiple Goal Settings Set several fasting goals at once (e.g., 12h, 16h, 18h) using 8 color-coded slots, and switch between them with a tap to check your progress. - Goal Reached Notifications Get notified the moment you reach your fasting goal. Starting 10 minutes before, the clock begins to glow softly in that goal's color. - Fasting History Log Review your completed fasts on a calendar view, with color-coded dots marking each achievement. Tap any day for a detailed breakdown, and use filters to explore your patterns. - Seasonal Themes Gradient backgrounds shift automatically with the seasons β spring, summer, autumn, and winter β or switch manually to whichever season you prefer. - Korean / English Support The app detects your device language automatically, with the option to change it manually in settings. Recommended For - Anyone looking to build a consistent intermittent fasting (IF) habit - Those managing multiple fasting routines like 16:8 or 18:6 - Anyone who wants to visually track and reflect on their eating patterns
Hollow
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Screenshots
Verdict
The clearest difference is in-app purchases: Fasting Clock at none against Hollow's 2. Fasting Clock also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.4). On price and device support there is nothing between them.
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. Hollow sells 2 in-app purchases, starting at $1.99 per 7 days. Fasting Clock asks for nothing beyond the download.
| Parameter | Fasting Clock | Hollow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | β |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 13.0 β better | 16.4 |
| Further details β not scored | ||
| Size | 34 MB | 57 MB |
| Age rating | 4+ | 12+ |
| Developer | anna kim | Studio Solum |
In-app purchases
Fasting Clock
No in-app purchases
Hollow
- Hollow Pro Weekly$1.997 Days
- Hollow Pro Annual7 Days trial$17.991 Year









