Choosing between HabitKit and Left? Both are polished iOS habit trackers with widget support, but they solve different problems. HabitKit is a dedicated habit tracking powerhouse with deep analytics and GitHub-style contribution grids. Left combines habit tracking with countdown widgets, life visualization, and time awareness tools in one app.

This comparison breaks down how HabitKit and Left stack up across widget design, habit tracking depth, extra features, Apple Watch support, pricing, and overall design — so you can pick the right app for how you actually use your phone.

HabitKit vs Left: Quick Comparison

Feature HabitKit Left
Habit tracking Daily, weekly, monthly Daily, weekly, custom
Streak tracking Yes Yes + auto-complete
Contribution grids Yes (signature feature) No
Analytics & charts Deep analytics Basic stats
Countdown widgets No Yes
Year progress No Yes
Life in weeks No Yes
Days since counter No Yes
Widget combinations Multiple options 3,000+
Lock Screen widgets Yes Yes
StandBy widgets Limited Yes
Apple Watch Yes No
Pricing Subscription One-time from $0.99

Widget Design & Variety

This is where Left pulls ahead. With over 3,000 widget combinations spanning Home Screen, Lock Screen, and StandBy, Left offers significantly more variety than HabitKit. The widgets use a cohesive glass-effect aesthetic that looks clean against any wallpaper, and they cover habits, countdowns, year progress, life visualization, and days-since counters — all from a single app.

HabitKit's widgets are functional and well-made, but they're focused narrowly on habit data. You get streak counts and completion status, which is useful, but you won't find the same breadth of widget types or the same level of visual polish across different widget sizes.

If your primary goal is a Home Screen that does more than display habit streaks — one that also counts down to your next vacation, shows how much of the year is left, or tracks days since you quit smoking — Left gives you all of that in one install.

Winner: Left

More widget types, more sizes, more visual cohesion. Left treats the Home Screen as a first-class feature, not an add-on.

Habit Tracking Depth

HabitKit wins this category clearly. It's a dedicated habit tracker, and the depth shows. The GitHub-style contribution grids give you an instant visual map of your consistency over weeks and months — a genuinely motivating feature that no other habit app has done quite as well. The analytics go deeper too: charts, trends, and detailed breakdowns that help you understand your patterns over time.

Left's habit tracking is solid for most people. You get daily, weekly, and custom schedules, streak tracking, and automatic completion for habits you've already built into your routine. But it doesn't try to compete with HabitKit's analytics depth. There are no contribution grids, no trend charts, and fewer ways to slice your historical data.

If you're the kind of person who wants to see exactly how your meditation habit trended across Q1, or compare completion rates across different habits, HabitKit is the stronger choice.

Winner: HabitKit

Deeper analytics, GitHub-style contribution grids, and more granular tracking tools. HabitKit is purpose-built for habit nerds.

Beyond Habits: Countdowns, Time & Life Visualization

This section is straightforward: HabitKit doesn't have any of these features, because it's not trying to. It's a habit tracker, full stop.

Left, on the other hand, bundles several additional tools that make it more of a time awareness app:

If you only need habit tracking, these extras won't matter. But if you've been using separate apps for countdowns and habits, Left consolidates them into one.

Winner: Left

HabitKit doesn't offer countdowns, year progress, or life visualization. Left combines all of these with habit tracking in a single app.

Apple Watch Support

HabitKit has an Apple Watch app. Left does not. If you want to check off habits from your wrist or see your streaks on a watch face, HabitKit is the only option between these two.

Left's developers haven't shipped an Apple Watch app yet, so if wrist-based tracking is important to your workflow, this is a real gap.

Winner: HabitKit

Full Apple Watch app with complications. Left has no watch support at this time.

Pricing

Left uses a one-time purchase model starting at $0.99 for core features — no recurring subscription required. You pay once and keep the app. This is increasingly rare in the App Store.

HabitKit uses a subscription model. While there may be a limited free tier, full access to analytics and advanced features requires an ongoing payment. Over a year or two, the subscription cost adds up to significantly more than Left's one-time price.

Neither model is inherently wrong — subscriptions fund ongoing development — but if you prefer paying once, Left is the clear winner on price.

Winner: Left

One-time purchase from $0.99 vs. a recurring subscription. Left is the more affordable long-term option.

Design & Aesthetics

Design is subjective, but the two apps take noticeably different approaches. Left uses a minimal, glass-effect aesthetic with a cohesive color palette that carries through from the app to every widget. Everything feels like it belongs to the same design system.

HabitKit leans into the contribution grid as its visual signature — the GitHub-style color-coded squares are distinctive and immediately recognizable. The overall UI is clean and functional, though it prioritizes data density over visual minimalism.

If you care about how your Home Screen looks as a whole, Left's design language tends to blend more seamlessly with different wallpapers and widget arrangements. If you prefer a data-rich interface that puts numbers front and center, HabitKit's approach will appeal more.

Edge: Left

More visually cohesive across app and widgets, though this is ultimately a matter of personal preference.

The Verdict: HabitKit vs Left

The Verdict

Choose HabitKit if you're a dedicated habit tracker power user who wants deep analytics, GitHub-style contribution grids, Apple Watch support, and the most granular habit data possible. HabitKit has a strong track record as a focused habit app, and if habits are the only thing you want to track, it's excellent at that job.

Choose Left if you want habits, countdowns, and life widgets in one beautiful app. Left won't match HabitKit's analytics depth, but it gives you a broader toolkit — countdown widgets, year progress, life in weeks, days-since counters — all with a cohesive design and a one-time purchase price. If you've been juggling two or three separate apps for habits and countdowns, Left replaces them all.

Both are well-built apps by independent developers. The right choice depends on whether you need a deep habit tracker or a versatile time awareness app that also tracks habits.