ZeroSugar vs Ninety
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ZeroSugar
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Zero Sugar helps you commit to sugar-free challenges and actually stick with them. Set your goal, check in once a day, and watch your streak grow on a beautiful calendar. Instead of complicated diet plans or calorie counting, Zero Sugar focuses on one simple habit: avoiding added sugar. The app turns your goal into a clear daily commitment you can track, celebrate, and restart whenever youβre ready.
Ninety
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A 90 day challenge with a plan for every phase and a way back when you slip. Ninety splits your 90 days into three phases of 30 days. You choose the daily rules, you decide which ones are hard rules and which are soft, and you set a backup plan for the days that go wrong. Each day opens with a short note on what to do today. THREE PHASES, ONE PLAN β’ Foundation (days 1 to 30), Resistance (days 31 to 60) and Identity (days 61 to 90) β’ A note for every day and a weekly stretch you can take or leave β’ Level-ups on day 31 and day 61 to raise your targets or turn a soft rule into a hard one β’ Weekly goals such as "3 workouts" that you can tick on any day of the week RULES YOU CAN TRUST β’ Hard rules are never excused. Soft rules can be, with a lifeline β’ 2 lifelines per phase for a sick day, travel or a hard day. The streak continues and the history marks the day β’ Tick a task back off, or edit a past day with a record of what changed β’ Your day follows your own time zone, with a grace window after midnight WHEN YOU WANT TO QUIT OR SLIP β’ Rough moment: a guided 90 second reset you can open from any tab, in the Shortcuts app or from Control Center β’ If-then backup plans: write what you will do when the usual plan falls apart β’ After several missed days, choose to pause and resume, push through or start over PROOF OF PROGRESS β’ Daily check-ins and patterns drawn only from your own entries β’ Photo comparison between day 1 and today β’ Your pages: a journal you can read back, with reviews at days 30, 60 and 90 β’ Identity proofs built from what you actually did β’ A letter to your future self, written or spoken, that stays on your phone β’ A film of your 90 days and a full export of your challenge AFTER DAY 90 Season 2 raises your targets, Maintain keeps your hard rules going, or start a new challenge or a reboot. Your pages and photos stay. MORE THAN 90 DISCIPLINES Choose from over 90 daily disciplines across 10 areas: Physical, Nutrition, Mind, Discipline, Digital, Sleep, Work, Relationships, Finance and Creative. Ready-made plans get you started in one tap: a classic 75 Hard style plan, Morning reset, Digital detox, Body and Mind. ON YOUR PHONE β’ Widgets for the day, your tasks and water β’ Live Activity timers for your timed tasks β’ Shortcuts for Siri, the Action button and Control Center β’ Apple Health read-only: steps, sleep, workouts and mindful minutes. Ninety asks before it ticks a task and never writes to Health β’ Daily reminders that change with your phase β’ Streak cards to share PRIVATE BY DEFAULT Your plan, pages, photos and letter are stored on your device. NINETY IS A SUBSCRIPTION Ninety unlocks with an auto-renewing subscription. A free trial is offered to new subscribers, and the length and price are shown in the app before you buy. Payment is charged to your Apple Account at confirmation. The subscription renews automatically unless you cancel at least 24 hours before the end of the current period, and you can manage or cancel it in your Apple Account settings. Terms of Use: https://www.easytech-agency.net/terms/ninety Privacy Policy: https://www.easytech-agency.net/privacy/ninety Ninety is a self-improvement tool and not a medical product. It is not affiliated with or endorsed by the owners of 75 Hard. Questions: contact@easytech-agency.net
Screenshots
Verdict
The clearest difference is in-app purchases: ZeroSugar at none against Ninety's 2. ZeroSugar also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Ninety sells 2 in-app purchases, starting at $6.99 per month. ZeroSugar asks for nothing beyond the download.
| Parameter | ZeroSugar | Ninety |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 3 months |
| Ads | No β better | Yes |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 31 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Van Cong Duong | Alexis Raimbault |
In-app purchases
ZeroSugar
No in-app purchases
Ninety
- Ninety Premium Monthly3 Days trial$6.991 Month
- Ninety Premium Yearly$44.991 Year









