Intervals vs ComplicaJSON
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Intervals
This app helps you track recurring tasks and habits by counting the time elapsed since you last completed an activity. It's designed to free your mind from remembering when you last did something, offering a simple way to monitor daily life activities.
- Elapsed time tracking
- Habit monitoring
- Recurring task management
- Customizable trackers
- Simple interface
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Track habits without the pressure How long has it been since you last watered the plants? Changed your car's oil? Called your parents? Or washed the bed sheets? Intervals is a beautifully simple elapsed-time tracker designed to help you keep tabs on the recurring tasks and habits in your daily life. Instead of counting down to a deadline, Intervals counts up—showing you exactly how many days, hours, and minutes have passed since you last completed an activity. Free your mind from trying to remember when you last did something. Just create a tracker, tap it when you finish the task, and let Intervals do the remembering for you. Perfect for Tracking: Home Maintenance: Changing water filters, washing bedding, deep cleaning rooms. Car Care: Oil changes, tire pressure checks, renewing registration. Health & Personal: Haircuts, replacing your toothbrush, taking medication. Pets: Flea and tick medication, grooming, vet visits. Habits: Tracking streaks, monitoring time between coffee breaks, or maintaining "inbox zero."
ComplicaJSON
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ComplicaJSON transforms any JSON data source into a personalized Apple Watch complication. Connect to your favorite APIs for weather, stock prices, server metrics, or any other JSON endpoint and get access to your data at a glance. The Apple Watch will automatically update the data at regular intervals, ensuring you always have the latest information right on your wrist. With support for Image URL, String, Number, Boolean, and Percentage data types, you can customize your watch face with the exact metrics you need.
Screenshots
Verdict
The clearest difference is iOS requirement: Intervals at 13.0 against ComplicaJSON's 18.5. 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Intervals | ComplicaJSON |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 116 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Requires iOS | 13.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 20 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Florithm LLC | Almost Good Enough ApS |
In-app purchases
Intervals
No in-app purchases
ComplicaJSON
No in-app purchases









