Castor Connect vs FIFO Positivity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Castor Connect
This app allows study participants to securely complete electronic patient-reported outcome (ePRO) questionnaires on their mobile devices. It offers offline data storage and manual syncing for flexibility. Access requires an invitation or activation code.
- ePRO questionnaire completion
- Offline data storage
- Manual data sync
- Secure participant data
- Native mobile application
Read full descriptionHide full description
Castor Connect enables study participants to complete Castor Surveys (ePRO questionnaires) via a native mobile application. - Compliant, secure, user-friendly ePRO solution - Configured using our EDC product to be as simple or complex as your study demands - Flexible and secure, offline data storage with manual sync and native security mean participants can submit their study data whenever they need An invitation to take part or the scanning of a participant-specific activation code is required to use this application. You can find more information about Castor surveys or Castor Connect at castoredc.com/epro
FIFO Positivity
This app helps you cultivate a daily mindfulness practice by managing your 10 most recent positive experiences. It automatically archives older entries, offers customizable reminders for reflection, and keeps all your memories in a secure, searchable archive.
- FIFO queue for 10 recent positive moments
- Automatic archiving of older experiences
- Customizable daily reflection reminders
- Searchable archive of all past entries
- Privacy-focused, on-device data storage
- Simple interface with calming design
Read full descriptionHide full description
FIFO Positivity helps you maintain a daily mindfulness practice by keeping your 10 most recent positive experiences in an active queue. HOW IT WORKS • Keep 10 active positive moments in your mind • When you add an 11th experience, the oldest automatically archives • Receive customizable daily reminders to reflect on your moments • All experiences are preserved forever in your searchable archive FEATURES Simple FIFO Queue System Your queue holds your 10 most recent positive moments. When you add a new one, the oldest rotates to your archive automatically. This keeps your focus on recent positivity while preserving everything. Moments can also be reordered by utilizing the lock/unlock function. Daily Reminders Receive daily notifications reminding you to spend time reflecting on your positive experiences. Customize the times and number of notifications to fit your schedule. Beautiful Design Warm, calming colors and a clean interface create a peaceful space for your mindfulness practice. Complete Archive Every experience you've ever added is preserved and searchable in your personal archive. Organized by month and category for easy browsing. Privacy First All your data stays on your device. No accounts, no cloud sync, no tracking. Your moments are private and secure. PERFECT FOR • Daily gratitude journaling • Mindfulness practice • Positive psychology exercises • Mental wellness routines • Remembering life's good moments SIMPLE TO USE 1. Tap the + button to add a positive experience and an optional category 2. Review your 10 active moments anytime 3. Reflect when you receive your daily reminders 4. Browse your complete archive of memories Start building your positivity practice today.
Screenshots
Verdict
The clearest difference is update cadence: FIFO Positivity at every 9 days against Castor Connect's every 2 months. Castor Connect's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Castor Connect ships an update every 2 months, FIFO Positivity every 9 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.
| Parameter | Castor Connect | FIFO Positivity |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ciwit B.V. | Brandon Paikoff |
Customer experience
Castor Connect
FIFO Positivity
In-app purchases
Castor Connect
No in-app purchases
FIFO Positivity
No in-app purchases
Questions
Is Castor Connect free?
Is FIFO Positivity free?
Do Castor Connect or FIFO Positivity have ads?
Which is updated more often, Castor Connect or FIFO Positivity?
Other comparisons
