Motion Metrics vs RainArc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Motion Metrics
This app visualizes your exercise data from Apple Health, offering insights and trends without requiring manual input or subscriptions. It automatically syncs with your Apple Watch data to provide a passive and intuitive experience for various activities.
- Automatic Apple Health sync
- Passive data insights
- Smart summaries and visualizations
- Tracks swimming, walking, running, elliptical, meditation
- No setup required
- Calm, passive experience
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Your exercise data, simplified. See your exercise data like never before. No extra effort. No subscriptions. Just results. For best results, track your exercises on your Apple watch, just like usual. however, now you can use your data like never before! Motion Metrics brings your Apple Health exercise data to life—passively, intuitively, and beautifully. Whether you’re a runner, walker, or weekend warrior, you’ll get fresh insights and trends without having to log a single thing. Version 1 Tracks Swimming, Walking, Running, Elliptical, and Meditation Automatically syncs with your existing Apple Health data Smart summaries and visualizations — no setup required Designed for a calm, passive experience No ads, no noise — just clean insight. Download today and let your data do the talking.
RainArc
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HabitCheck makes building habits simple and motivating. Start fast, track daily, and celebrate progress with milestone badges. Two free cards included add more anytime. Why you’ll love it Simple dashboard: See all habits at a glance. Streak badges: Wood to Diamond unlock new tiers as you grow. Smart reminders: Get notified for daily check‑ins and milestones. Fast onboarding: Sign in with Apple or continue as guest. Pay‑as‑you‑grow: 2 cards free, add extra cards with a one‑time purchase. Dark mode: Looks great in any environment. Privacy & respect No accounts required to start. Sign in with Apple for seamless sync. Your data stays on your device and iCloud.Cloud sync: Purchases tied to your Apple ID via iCloud. Developed at Apple Developer Academy Bali 2025 by Fazry Rachman Susanto
Screenshots
Verdict
The clearest difference is in-app purchases: Motion Metrics at none against RainArc's 1. RainArc's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement 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. RainArc sells 1 one-off in-app purchase. Motion Metrics asks for nothing beyond the download.
Motion Metrics ships an update every 4 months, RainArc every 3 weeks. Both last shipped on September 9, 2026.
| Parameter | Motion Metrics | RainArc |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 6 MB | 13 MB |
| Age rating | 4+ | 4+ |
| Developer | Strange Design Studio, LLC | Fazry Rachman Susanto |
In-app purchases
Motion Metrics
No in-app purchases
RainArc
- Tambah 2 Habit$0.99
