Rainfall vs IDknow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rainfall
Manage your digitally connected physical items with this app. Store digital representations of your assets, view authenticity certificates, and prove ownership. Transfer assets, receive them from others, and track their history.
- Store digital asset representations
- View certificates of authenticity
- Prove ownership
- Transfer ownership
- Receive assets from brands/users
- Add historical events to assets
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Rainfall's Digital Wallet is the ultimate app for managing your digitally connected physical items. Easily store digital representations of your physical assets, view certificates of authenticity, and prove ownership. Transfer ownership to other Rainfall users, receive assets from brands and users, and add historical events to build the story of your assets. Rainfall is the perfect way to track, authenticate, and manage your valuable possessions.
IDknow
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Description- Tired of the “What should we do tonight?” question? IDKnow is your personal planner that spins up a curated idea based on your vibe, budget, and how much time you’ve got. Whether you’re planning a first date, a chill night with friends, or a spontaneous adventure — IDKnow finds the perfect spot near you. - Spin for ideas based on your mood and city. - Localized picks that update daily. - Filter by time, budget, and vibe. - Save your favorites and share them instantly. Stop guessing — just spin and go! Terms of Use: https://www.idknowapp.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: Rainfall at none against IDknow's 2. Rainfall also leads on update cadence (every 3 months vs every 6 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. IDknow sells 2 in-app purchases, starting at $9.99 per month. Rainfall asks for nothing beyond the download.
Rainfall ships an update every 3 months, IDknow every 6 months. Both last shipped on November 8, 2026.
| Parameter | Rainfall | IDknow |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 | 15.0.0 |
| Further details — not scored | ||
| Size | 46 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Rainf4ll, Inc. | Shad Hardy |
In-app purchases
Rainfall
No in-app purchases
IDknow
- Premium Monthly$9.991 Month
- Premium Yearly$99.991 Year
