RainArc vs ZERØ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
ZERØ
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NO EXCUSES. ZERØ helps you break bad habits and build real discipline — one day at a time. Whether you're trying to quit distractions, reduce screen time, or take back control of your life, ZERØ keeps you focused on what matters. KEY FEATURES: • Track your habits daily • Build streaks and stay consistent • Visual progress and stats • Clean, distraction-free design • No accounts. No data tracking. 100% private This is not motivation. This is discipline. Start now.
Screenshots
Verdict
The clearest difference is in-app purchases: ZERØ at none against RainArc's 1. ZERØ also leads on device support (3 vs 1). On price, ads 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. ZERØ asks for nothing beyond the download.
| Parameter | RainArc | ZERØ |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 195 MB |
| Age rating | 4+ | 4+ |
| Developer | Fazry Rachman Susanto | Simon Pappas |
In-app purchases
RainArc
- Tambah 2 Habit$0.99
ZERØ
No in-app purchases









