Comparison

Instantly AI vs Stellar Habits

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Instantly AI

This app provides on-the-go email management. Read replies, quickly respond or forward messages, and search your inbox using various filters.

Highlights
  • Read emails on the go
  • Quickly reply to emails
  • Forward emails
  • Search emails with filters
  • Manage Unibox
Features
Read full description

Instantly app allows you to read the replies on the go, quickly reply or forward emails, as well as search the emails based on different filters.

About

Stellar Habits

This app transforms habit tracking into a visually rewarding experience by representing your habits as stars in a night sky. Complete habits by holding them to make them glow, building a personal constellation over time. It offers a mindful approach to consistency with unique interactive features.

Highlights
  • Hold-to-light completion with haptic feedback
  • Build personal constellations by connecting habits
  • Interactive year-long spiral view of habit history
  • Smart grouped notifications
  • Flexible habit scheduling
  • Elegant dark interface
Features
Read full description

Every night, your habits wait in the sky as unlit stars. Hold each one to watch it glow. A small, satisfying ritual that turns consistency into something beautiful. A habit tracker that feels different. Stellar Habits replaces checkboxes and streaks with an interactive night sky. Each habit is a star. Complete it by holding it until it lights up with a warm amber glow, haptic pulse, and celebration animation. Over time, your personal constellation takes shape. WHY IT WORKS • The 3-second hold-to-light ritual creates a mindful moment of intention, not just a tap • Seeing your sky fill with light each night is deeply motivating • Connect related habits into constellations to visualize how your routines link together • A year-long spiral view shows every single day at a glance so you can watch your brightness grow FEATURES • Hold-to-light completion with haptic feedback and glow animations • Draw connections between habits to build personal constellations • Interactive year spiral: zoom and explore 365 days of history • Smart grouped notifications so you're reminded without being overwhelmed • Flexible scheduling: daily, weekdays, or pick specific days • Suggested habits to get started: Breathe, Stretch, Gratitude, and more • Elegant dark interface designed for evening wind-down STELLAR HABITS PRO • Unlimited stars (free: up to 3) • Custom reminder times (free: 8 AM only) • Custom day-of-week schedules No ads. No social pressure. Just you and your stars. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://enewman00.github.io/habit-tracker-website/#privacy Terms and Conditions: https://enewman00.github.io/habit-tracker-website/#terms

Screenshots

Instantly AI4 screens
Stellar Habits4 screens

Verdict

The call

The clearest difference is rating: Stellar Habits at 5.0 against Instantly AI's 2.9. Instantly AI's advantage is in-app purchases (none vs 2) and ratings volume (36 vs 2). On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Stellar Habits sells 2 in-app purchases, starting at $1.99 per month. Instantly AI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Stellar Habits holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Instantly AI has 36 ratings behind it against 2, so its average is the more settled of the two.

Scorecard4 real differences · 6 level
Instantly AI versus Stellar Habits: the parameters behind the verdict, then further details
ParameterInstantly AIStellar Habits
PriceFreeFree
Rating2.9 (36 ratings)5.0 (2 ratings) — better
Positive reviews58.9% of reviews—
Number of ratings36 — better2
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.0 — better
Further details — not scored
Size44 MB54 MB
Age rating4+4+
DeveloperFoo Monk LLCEthan Newman

Customer experience

Instantly AI

All ratings36 ratings
Positive44.4%
Neutral5.6%
Negative50.0%
Written reviews56 reviews
Positive58.9%
Neutral7.1%
Negative33.9%

Stellar Habits

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Instantly AI

Reported bugs

15 issues
  • Cannot sign in via Google or set password
  • Same emails showing up repeatedly in unibox
  • No send button for replies on iPhone
  • App logs out every time app is closed
  • App keeps logging out every few hours
Show 10 more
  • Leads don't stay labeled
  • Refreshing the inbox lags
  • Workspaces lag when switching
  • Button to send replies disappears or hides
  • Cannot delete emails from inbox via the app
  • Cannot SEND emails via the app
  • Number 3 key triggers Macro
  • Autoscrolling doesn't work
  • Paste doesn't work 7/10 times
  • Unfixable error when trying to switch to a different workspace unibox

Requested features

10 requests
  • More options for campaign visibility
  • Ability to change campaign copy in app
  • In-depth notification settings
  • Add more features to notifications
  • Keep me signed in option
Show 5 more
  • See campaign stats on mobile
  • Create campaigns on mobile
  • Edit campaign details on mobile
  • Add functionality for 'Other' tab emails
  • View campaign performance in app

Stellar Habits

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Instantly AI

No in-app purchases

2 purchases

Stellar Habits

Subscriptions2
  • Stellar Habits Pro - Monthly$1.991 Month
  • Stellar Habits Pro - Yearly$17.991 Year

Questions

Is Instantly AI free?
Instantly AI is free to download, with no in-app purchases.
Is Stellar Habits free?
Stellar Habits is free to download, with in-app purchases available.
Which has better reviews, Instantly AI or Stellar Habits?
Stellar Habits is rated higher. Instantly AI averages 2.9 out of 5 from 36 ratings, while Stellar Habits averages 5.0 from 2 ratings.
Do Instantly AI or Stellar Habits have ads?
Neither Instantly AI nor Stellar Habits shows ads.

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