Trayzero vs Activity tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Trayzero
This app implements David Allen's Getting Things Done (GTD) methodology for task management. It offers a streamlined inbox, clarification flow, and organization into canonical GTD lists. Features include reminders, voice capture, and on-device data storage for enhanced privacy.
- GTD inbox and capture
- Clarify flow for processing tasks
- Organize into GTD lists
- Weekly Review wizard
- Engage tab by context/energy/time
- On-device data storage
- Voice and photo capture
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Trayzero brings David Allen's Getting Things Done (GTD) method to your iPhone. Free, no ads, no account, no sign-up. Your data lives on your device. Always. THE FIVE GTD STEPS, BUILT IN Capture - one tap, anywhere. A floating Capture button on every screen. Share anything from any app straight into your inbox. Voice-to-text for hands-free thoughts. A Home Screen widget for the fastest possible "add to inbox." Clarify - the killer flow. Process Inbox runs you through your captures one at a time, card-stack style. Each card walks the full GTD decision tree: actionable? Two-minute rule? Delegate? Single step or a project? When? Where? You hit inbox-zero faster than you thought possible. Organize - the canonical GTD lists. Inbox, Next Actions, Projects, Waiting For, Someday/Maybe, Calendar, Reference. Plus a real Project type with outcome, next-action warning, and Active / On Hold / Someday / Done / Dropped status. Seven default @-contexts you can extend (@phone, @computer, @errands, @home, @office, @anywhere, @waiting). Areas of Responsibility for the higher altitudes. Reflect - a Weekly Review wizard. A seven-step Friday review walks you through the canonical GTD pass: clear inbox, review next actions, check waiting-for, scan calendar, review someday/maybe, look at projects, set next week's intentions. Daily review supported too. Engage - do now. The Engage tab filters Next Actions by Context, Energy (low / medium / high), and Time Available (under 5m / 15m / 30m / 1h). Pull up the actions that match the moment you're in. REMINDERS THAT ACTUALLY WORK Due-date, defer-until, waiting-for follow-up, and weekly-review nudges fire as system notifications with action buttons - Done, Snooze, Move to Next Actions. Calendar two-way sync mirrors dated items into your system calendar. VOICE, PHOTOS, AUDIO Capture by voice. Attach photos or voice memos to any item. PRIVACY YOU DON'T HAVE TO THINK ABOUT - 100% on-device. SQLite under the hood. - No account, no servers, no analytics. - Crash reporting is opt-in and off by default. - Backup/restore as plain JSON: you own your data, you can take it anywhere. WHO IT'S FOR - GTD practitioners who want a clean, focused app that respects the method. - Anyone tired of cloud-syncing personal task data through someone else's servers. - People who want their tasks where their phone is - and nowhere else. Trayzero is an independent app inspired by the Getting Things Done methodology. It is not affiliated with, endorsed by, or sponsored by David Allen Company. "Getting Things Done" and "GTD" are trademarks of the David Allen Company. Terms of Use (EULA): https://trayzero.app/terms Privacy Policy: https://trayzero.app/privacy
Activity tracker
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wigl turns standing up into a game you can't fake. Most reminder apps just buzz — and a free phone alarm does that too. wigl is different: when the nudge fires, you stand up, walk across the room, and snap a quick photo of a target — the sky, a kettle, a plant, a door. Your phone verifies it on-device with Apple's Vision framework, so there's no way to fake it from your chair. Every verified stand-up grows your streak, lights up your recovery grid, and keeps your little glow-creature thriving. Miss a day? A grace token has your back — wigl celebrates movement, it never shames you. • Un-fakeable photo proof — verified on-device, private by design • A living mascot that glows brighter the more you move • A recovery grid of every stand-up, colored by how active your day was • Live Activity countdown in the Dynamic Island and on your lock screen • Reliable nudges during your work hours — capped so they never spam you • A forgiving streak that bends instead of breaking Your back pays the bill at night. wigl gets you up while it still matters. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://1rie.ink/app/privacy/
Screenshots
Verdict
The clearest difference is device support: Trayzero at 3 against Activity tracker's 1. Trayzero also leads on iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases 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. Trayzero sells 4 in-app purchases, starting at $0.99 per month and Activity tracker sells 3 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Trayzero | Activity tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 38 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Feipeng Liu | Gregoire Cambon |
In-app purchases
Trayzero
- Supporter (Monthly)$0.991 Month
- Supporter (Yearly)$7.991 Year
- Small Tip$1.99
- Large Tip$9.99
Activity tracker
- wigl Pro Monthly$14.991 Month
- wigl Pro Yearly7 Days trial$49.991 Year
- wigl Pro Yearly Gift Offer1 Year trial$49.991 Year









