Koovira Compare
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Oura Ring 4 Smart Ring Sizing Kit (Size 04 ×
Oura Ring 4 Smart Ring with Activity Track ×
Oura Ring 4 Smart Ring with Activity Track ×
Oura Ring 4 Smart Ring Sizing Kit (Size 04 -15, White)
Oura
₹999
Koovira Value Score: 67.5/100
🏆 Best Overall Value
💰 Lowest Effective Price
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Oura Ring 4 Smart Ring with Activity Tracker (Buy Sizing Kit First, Size 12, Smart Sensing Technology, Stealth Black)
Oura
₹39,900
Koovira Value Score: 60/100
⚙️ Best Features
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Oura Ring 4 Smart Ring with Activity Tracker (Buy Sizing Kit First, Size 14, Smart Sensing Technology, Brushed Silver)
Oura
₹39,900
Koovira Value Score: 60/100
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Price across sources
| Product | Source | Price | Effective price | Match | Last checked | |
|---|---|---|---|---|---|---|
| Oura Ring 4 Smart Ring Sizing Kit | Koovira | ₹999 | ₹999 | Listed here | Live | View |
| Croma | ₹999 | ₹999 | Similar · 70% | 6 Jul 2026, 9:09 AM ⚠ may be outdated | View on source | |
| Oura Ring 4 Smart Ring with Activi | Koovira | ₹39,900 | ₹39,900 | Listed here | Live | View |
| Croma | ₹27,930 | ₹27,930 | Similar · 70% | 8 Jul 2026, 12:34 AM ⚠ may be outdated | View on source | |
| Oura Ring 4 Smart Ring with Activi | Koovira | ₹39,900 | ₹39,900 | Listed here | Live | View |
| Croma | ₹27,930 | ₹27,930 | Similar · 70% | 7 Jul 2026, 12:13 AM ⚠ may be outdated | View on source |
External prices are informational, shown with their source and check time — always verify on the source before purchase. Koovira never presents external listings as its own inventory.
Features & specifications
| Feature | Oura Ring 4 Smart Ring Siz | Oura Ring 4 Smart Ring wit | Oura Ring 4 Smart Ring wit |
|---|---|---|---|
| Ideal For | Unisex | Unisex | Unisex |
| Wearable Device Type | Sizing Kit | Smart Ring | Smart Ring |
| Compatible Devices | Not Applicable | Smartphones | Smartphones |
| Model Series | Ring 4 | Ring 4 | Ring 4 |
| Model Number | JZ98-54867 | JZ90-54218-12 | JZ90-54220-14 |
| Health Tracker | Not Applicable | Sleep Monitor | Heart Rate | Heart Rate | Sleep Monitor |
| Features | Not Applicable | Heart Rate | Sleep Monitor | Heart Rate | Sleep Monitor |
| Compatible OS | Not Applicable | Android OS | iOS | iOS | Android OS |
| Touch Controls | No | No | No |
| Ring Size | 4 | 12 | 14 |
| Bluetooth Specifications | Not Applicable | BLE | BLE |
| Bluetooth Supported | No | Yes | Yes |
Ratings
| Product | Koovira rating | External ratings |
|---|---|---|
| Oura Ring 4 Smart Ring Sizing Kit | No ratings yet | — |
| Oura Ring 4 Smart Ring with Activi | No ratings yet | — |
| Oura Ring 4 Smart Ring with Activi | No ratings yet | — |
Reliability & purchase intelligence
| Product | Buying option | Effective price | Seller ★ | Platform ★ | Purchase score |
|---|---|---|---|---|---|
| Oura Ring 4 Smart Ring Sizing Kit (Size 04 - Product reliability: not enough rating data yet | 🏆 Best: Koovira (10/10) | ||||
| Koovira | ₹999 | — | — | 10/10 (1/4 factors available) | |
| Croma | ₹999 | — | — | 10/10 (1/4 factors available) | |
| Oura Ring 4 Smart Ring with Activity Tracker Product reliability: not enough rating data yet | 🏆 Best: Croma (10/10) | ||||
| Koovira | ₹39,900 | — | — | 7/10 (1/4 factors available) | |
| Croma | ₹27,930 | — | — | 10/10 (1/4 factors available) | |
| Oura Ring 4 Smart Ring with Activity Tracker Product reliability: not enough rating data yet | 🏆 Best: Croma (10/10) | ||||
| Koovira | ₹39,900 | — | — | 7/10 (1/4 factors available) | |
| Croma | ₹27,930 | — | — | 10/10 (1/4 factors available) | |
Scores are computed only from available data — hover a score for its basis. Missing data shows as "—", never as a guessed number. Seller and platform scores describe the marketplace listing, not the product itself.
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