Side by side
Left vs Plant Nanny
Both stand on habit tracker apps. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan iPhoneMac
Pick Left if you want time widgets combined with habits, countdowns, planning, focus, or fasting tools in an Apple device workflow. The free plan includes core tools, while Premium is a lifetime purchase; consider another option if you need manual data export or use a platform outside the listed Apple platforms.
Visit Left Free plan AndroidiPhone
Plant Nanny combines hydration logging, reminders, charts, and a plant-collection system. The free plan covers core tracking, while SPARKFUL adds plants, customization, sounds, and an iOS widget.
Visit Plant NannyThe facts
| Left | Plant Nanny | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | iPhone, Mac | Android, iPhone |
| Lowest paid plan | Free or on request | Price being re-checked |
| Plans published | 3 | 3 |
| Maker | Not published | Not published |
| Website | getleft.app | sparkful.app |
| On habit tracker apps | #29 of 37 | #33 of 37 |
Left: what it does well
- Widgets show time progress across seven time scales.
- Planner combines Reminders, calendar events, habits, weather, sleep, and workouts.
- Habits and Aim can update automatically from Apple Health data.
- Widgets work offline, with optional iCloud sync for habits, dates, and settings.
- Apple Watch app includes Planner, habits, aims, streaks, and countdowns.
What to know first
- The App Store listing identifies the app as iPhone-only and requires iOS 26.0 or later.
- Premium is a lifetime purchase, but its exact price is shown only in the app.
- There is no manual data export feature.
- Shared items sync through a Left account.
Plant Nanny: what it does well
- Suggests goals from body data and exercise
- Provides automated hydration reminders
- Shows daily, weekly, and monthly charts
- Syncs hydration data with Apple Health
- Includes collectible plants and containers
What to know first
- Subscription does not remove rewarded ads
- Premium content requires a paid plan
- Health calculations use user-entered weight
- Some listed plans have unclear billing intervals
Alternatives to Left Alternatives to Plant Nanny The whole list