Comparison

RainArc vs ZERØ

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

RainArc

Features
Read full description

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

About

ZERØ

Features
Read full description

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

RainArc4 screens
ZERØ4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RainArc sells 1 one-off in-app purchase. ZERØ asks for nothing beyond the download.

Scorecard2 real differences · 4 level
RainArc versus ZERØ: the parameters behind the verdict, then further details
ParameterRainArcZERØ
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size13 MB195 MB
Age rating4+4+
DeveloperFazry Rachman SusantoSimon Pappas

In-app purchases

1 purchases

RainArc

One-time1
  • Tambah 2 Habit$0.99
None

ZERØ

No in-app purchases

Questions

Is RainArc free?
RainArc is free to download, with in-app purchases available.
Is ZERØ free?
ZERØ is free to download, with no in-app purchases.
Do RainArc or ZERØ have ads?
Neither RainArc nor ZERØ shows ads.

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