1Lens vs ShiftFlow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
1Lens
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1Lens is a metacognition practice and reflection tool. Choose a mental model you want to work on, record your decisions and actions in everyday situations, and look back on what changed. β’ Practice mental models: Start with built-in models such as First Principles, Win-Win Thinking, and Growth Mindset, or create your own. Keep up to three models active to stay focused. β’ Record wins and misses: Note what went well or where you fell short. Make a specific βIfβ¦thenβ¦β plan for your next attempt. β’ Reflect with voice: Record your thoughts and, when supported by the device, transcribe them with Appleβs system speech recognition. Recordings, transcripts, and practice entries stay on your device. β’ Review your progress: Browse recent daily entries and reflection history, and use your practice streak to notice your rhythm. β’ Make it yours: Edit or archive models, then reactivate them from the full list whenever you are ready. Optional reminders can help you build a routine. Take a moment to notice how you think, then choose what to do next. Microphone access is used to record voice reflections. Speech recognition access is used for on-device transcription. Recording starts only when you choose to begin.
ShiftFlow
This offline calendar helps you plan repeating work shifts and visualize your workdays, nights, and days off. Customize rotations, set reminders, and share your schedule. It also provides statistics on your shifts and work hours.
- Build custom shift rotations
- Handle date changes and add notes
- Set local shift reminders
- Share schedule images
- View shift statistics
- Home and Lock Screen widgets
- Offline functionality
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Plan work. Make room for life. ShiftFlow is an offline calendar for repeating work shifts. Build a rotation from your own shifts and see workdays, nights and days off together. BUILD A ROTATION Add shifts in order, such as day, day, night, night, rest, rest. Choose the first date and save. Create up to 20 shift types and rotations of up to 60 days, with an explicit schedule time zone. HANDLE DATE CHANGES Select a date, change its shift and add a note. Return to the rotation when plans change again. Shift times support overnight work. REMIND AND SHARE Enable local reminders for each shift at its start or 15, 30, 60 or 120 minutes before. Share an image of the month's schedule when you need to communicate your plans. STATISTICS AND WIDGETS Review shift counts, work hours, workdays, rest days and unassigned days by month, year or a custom period. No wage calculations. Check your rotation with Home Screen or Lock Screen widgets. KEEP DATA ON YOUR DEVICE No account is required. Shifts and notes stay on your device. Export a complete JSON backup; restoring preserves a copy of the previous file. Includes 10 interface languages, light and dark appearance, larger text and reduced animations. One-time paid download with all built-in features included. No ads, subscriptions or in-app feature purchases. Reminders cover up to 60 upcoming work shifts. Reopen the app to extend coverage. iOS permissions, Focus and system settings can affect delivery. Nonexistent daylight-saving times move to the next valid time. Your entries are personal plans: check your employer's official roster. Export a backup before uninstalling or changing devices.
Screenshots
Verdict
The clearest difference is price: ShiftFlow at Free against 1Lens's $0.99. 1Lens's advantage is update cadence (daily vs weekly). On ads, in-app purchases, device support and iOS requirement 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
ShiftFlow is free to download; 1Lens costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
1Lens ships an update daily, ShiftFlow weekly. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | 1Lens | ShiftFlow |
|---|---|---|
| Price | $0.99 | Free β better |
| Positive reviews | β | 50.0% of reviews |
| Update frequency | Daily β better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Paid |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details β not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | εδΌ ζ± | PengPeng Li |
In-app purchases
1Lens
No in-app purchases
ShiftFlow
No in-app purchases









