Rtrivr vs Reminder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rtrivr
Connects your iOS device via Bluetooth to specific hardware products for features like two-way alarms, data transmission, and remote photo/video control. Note that continued GPS use can significantly impact battery life.
- Bluetooth communication
- Two-way alarming
- Data transmission
- Remote picture control
- Remote video control
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This app use iPhone (iPhone 4s, iPhone 5,iPhone 5c, iPhone 5s, iPhone 6\7\8, iPhone 6\7\8 plus, iPhone x, iPhone xs, iPhone xs max)/iPad (iPad 3，iPad 4,iPad Air, iPad Air 2,iPad mini, iPad mini 2/3/4 , iPad Pro) /iPod touch 5/6 bluetooth communication with Rtrivr ble hardware products(R616, R621, R631, R633, etc), to achieve the two sides to alarm, data transmission, remote control picture, remote video, etc. Continued use of GPS running in the background can dramatically decrease battery life
Reminder
This app helps you remember your tasks without unnecessary complexity. It focuses on providing a simple and convenient way to manage your to-dos, ensuring you don't forget what needs to be done. It prioritizes user privacy by not collecting personal information.
- Simple to-do list management
- Focus on essential tasks
- Privacy-focused, no data collection
- Widget support
- Routine planning
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Reminder. Only What You Need. Simplicity. Needless to say. Simplicity is convenience. Just focus on what you have to do! This app will help you not forget your to-dos. - This app does not collect any user's personal information. Privacy Policy: https://www.dalgu.app/reminder/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Reminder at 96% against Rtrivr's 17%. Reminder also leads on rating (5.0 vs 3.5). Rtrivr's advantage is in-app purchases (none vs 6) and device support (3 vs 1). On price, ratings volume, update cadence and ads 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. Reminder sells 6 in-app purchases, starting at $1.99 per month. Rtrivr asks for nothing beyond the download.
Reminder holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 17% of Rtrivr's written reviews are positive against 96% of Reminder's.
Rtrivr ships an update monthly, Reminder every 5 weeks. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.
| Parameter | Rtrivr | Reminder |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (2 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 16.7% of reviews | 96.0% of reviews — better |
| Number of ratings | 2 | 3 — better |
| Update frequency | Monthly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 7.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 14 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | HONG KONG EUREKA TECHNOLOGY COMPANY LIMITED | KYUNGHWAN KIM |
Customer experience
Rtrivr
Reminder
In-app purchases
Rtrivr
No in-app purchases
Reminder
- Monthly Plan7 Days trial$1.991 Month
- Annual Plan7 Days trial$5.991 Year
- Chocolate$0.49
- Coffee$2.99
- Meal$5.99
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- Lifetime Use$6.99
