Flashduty vs OneDayAgain
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Flashduty
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Incident response can feel overwhelming, but you can handle it with ease. Flashduty is a powerful incident response tool designed for teams of all sizes. With real-time alerts, intelligent notification management, and seamless integrations, Flashduty empowers your team to react swiftly during critical moments, minimizing the impact of incidents. Key Features: β’ Real-Time Notifications: Stay updated with instant alerts for critical incidents. β’ On-Call Management: Effortlessly manage on-call schedules and rotations to ensure nothing is missed. β’ Escalation Handling: Resolve escalations quickly and effectively to restore normalcy faster. β’ Seamless Integrations: Connect with popular platforms to streamline workflows and enhance team collaboration. Trusted by modern teams, Flashduty enables you to focus on what truly matters while confidently handling every challenge.
OneDayAgain
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You want to keep a diary, but at night you can't think of what to write. OneDayAgain takes the to-dos you checked off and the mood you tapped, and lays them out as today's entry. Add a few lines and you're done. Your diary stays on your iPhone. No sign-up, and you can lock it with a passcode. A day with OneDayAgain In the morning, plan your day on the calendar. Events from your system calendar show up too. During the day, check off each to-do as you finish it. Set a recurring task once and it comes back every day. At night, tap how you felt. Your checked to-dos become the entry's title, and you can keep writing or add photos. Looking back Your diary is sorted by date, searchable, and filterable by category. The stats page turns a month of moods into a chart, so you can see the happy days and the anxious ones. The timeline links everything you did, day after day. Notes and templates The notebook comes with ready-made plan templates, like drinking a glass of warm water every morning or practicing guitar for 30 minutes. Privacy Everything stays on your iPhone by default. The developer can't see any of your data. No account, no login. Turn on iCloud sync yourself if you want it on more devices. Export your diary any time as a backup. Make it yours Pick from several themes and colors. Set your own reminder sounds and vibration. Home screen widgets included. The full timeline, all templates and multi-device sync are unlocked with a one-time purchase. Privacy Policy: https://imminent-leotard-5d8.notion.site/OneDay-Privacy-Policy-26be37f436638017a3dedfbb21f21958?source=copy_link Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Flashduty at none against OneDayAgain's 2. Flashduty also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.6). OneDayAgain's advantage is update cadence (weekly vs every 4 months). On price and ads there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. OneDayAgain sells 2 in-app purchases, starting at $0.99 per year. Flashduty asks for nothing beyond the download.
Flashduty ships an update every 4 months, OneDayAgain weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | Flashduty | OneDayAgain |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 18.6 |
| Further details β not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Beijing Flashcat Cloud Technology Co.,Ltd. | εεΊ· ζ’ |
In-app purchases
Flashduty
No in-app purchases
OneDayAgain
- Premium-$3.99/yr (Auto-Renews)$0.991 Year
- Lifetime Premium$1.99





