Comparison

Una vs ByeByeSugar!

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

Head to head
About

Una

This app offers a unique daily action plan designed to protect and rebuild capacity for ambitious women. It focuses on sustainable ambition by adapting to your energy levels, offering one intelligent action per day instead of complex tracking or rigid routines.

Highlights
  • One daily action selected for you
  • Designed around real-life rhythms
  • Adaptive to pressure and recovery
  • Built for demanding schedules
  • Simplifies action for sustainable ambition
  • Focuses on protecting and rebuilding capacity
Features
Read full description

Now factor in you luteal phase when your capacity might be lower...where you are in your cycle, a tight deadline at work—or both, on the same day. Una gives you one expert-backed action each day, chosen around your capacity, your biology and your real life. [Instead of the key action line] Una chooses that one action for you, so you don't have to do the thinking. Then Una helps you actually follow through. Amidst your busy real-life. In a six-week observational study, members completed 86% of their actions. Important Una provides general wellbeing and lifestyle habit guidance. It is not a medical device and does not provide medical advice, diagnosis or treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ByeByeSugar!

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ByeByeSugar helps you break the added sugar habit with one simple system: commit to a challenge, check in every day, and stay accountable. No calorie counting. No meal plans. No endless tracking. Just a clear goal and a daily check-in that keeps you honest. How it works * Choose a 7, 14, or 30-day challenge * Spend credits to start and make the commitment real * Check in each day to confirm you stayed off added sugar * Finish the challenge and earn your credits back so you can keep going Daily Briefings * Every day, you get a short, evidence-based briefing on what added sugar does to your body, tailored to your goal. Briefings are built from trusted sources such as the CDC, WHO, and peer-reviewed research. Achievements * Unlock badges as you build consistency, see how rare each one is, and share the milestones you’re proud of. Clear sugar rules * ByeByeSugar focuses on added sugar, not naturally occurring sugar. Whole fruit, plain milk, and similar foods are not the target. The app gives you clear rules so you always know where you stand. Built for focus * No social feed. No subscription. Just a challenge, a daily check-in, and a reason to keep going. Start with 2 free credits. Your first challenge is on us.

Screenshots

Una4 screens
ByeByeSugar!4 screens

Verdict

The call

The clearest difference is in-app purchases: Una at none against ByeByeSugar!'s 3. Una also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, ads and device support 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. ByeByeSugar! sells 3 one-off in-app purchases. Una asks for nothing beyond the download.

UpkeepUpdate frequency

Una ships an update every 3 days, ByeByeSugar! every 5 days. The most recent releases landed on September 15, 2026 and September 14, 2026 respectively.

Scorecard2 real differences · 8 level
Una versus ByeByeSugar!: the parameters behind the verdict, then further details
ParameterUnaByeByeSugar!
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterEvery 5 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.6
Further details — not scored
Size164 MB7 MB
Age rating4+4+
DeveloperUna Habit BuildingSezgin Ege

In-app purchases

None

Una

No in-app purchases

3 purchases

ByeByeSugar!

One-time3
  • Starter Credits$3.99
  • Momentum Credits$8.99
  • Deep Run Credits$14.99

Questions

Is Una free?
Una is free to download, with no in-app purchases.
Is ByeByeSugar! free?
ByeByeSugar! is free to download, with in-app purchases available.
Do Una or ByeByeSugar! have ads?
Neither Una nor ByeByeSugar! shows ads.
Which is updated more often, Una or ByeByeSugar!?
Una ships an update every 3 days, and ByeByeSugar! every 5 days. Most recently, Una was updated on September 15, 2026 and ByeByeSugar! on September 14, 2026.

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