Comparison

Cal AI vs Days Without

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

Head to head
About

Cal AI

This app helps you achieve your fitness goals by tracking your calorie and macronutrient intake. Simply answer lifestyle questions to create a personalized plan, then snap photos of your meals for an instant nutritional breakdown. It aims to simplify dieting and empower users with the tools and information needed to succeed.

Highlights
  • Personalized lifestyle plan creation
  • Meal photo nutritional analysis
  • Calorie and macro tracking
  • Dietary goal support
  • User-friendly interface
Features
Read full description

HOW TO USE CAL AI: 1) Answer lifestyle questions to build your plan 2) Snap a photo of your meal* 3) Get your nutritional breakdown* If you want to get your dream body, Cal AI will help you get there with less time spent than anyone else. We aren't another complicated diet app. We want to empower everyone to be confident in their bodies with minimal time spent, but you have to work hard. We will support you and give you the tools and information you need. If you have any ideas or questions, please email us at team@calai.app. NOTE: We do not offer medical advice. Any and all recommendations should be viewed as suggestions, please consult with a professional and do your own research before trying a new calorie and nutrient plan. *FOOD SCANNING ANALYSIS RESULTS REQUIRE A SUBSCRIPTION TERMS: https://calai.app/tos

About

Days Without

This app helps you break bad habits and track your progress with a visual streak counter. It offers challenges, badges, and statistics to keep you motivated. An optional premium version provides unlimited goals and custom themes.

Highlights
  • Day counter without relapse
  • 7/14/30 day challenges
  • Badges and clear stats
  • Daily motivation
  • Unlimited goals (premium)
  • Custom themes (premium)
Features
Read full description

Days Without helps you quit a habit (smoking, alcohol, sugar, social media…) and keep your streak going. Simple, motivating, and visual. With Days Without: • Day counter without relapse • 7/14/30 day challenges • Badges & clear stats (best streak, total, resets) • Daily motivation at your chosen time Premium (optional): • Unlimited goals • Custom themes • No ads Whether you’re quitting smoking or cutting screen time, Days Without turns effort into visible progress. Start today. One day at a time.

Screenshots

Cal AI4 screens
Days Without4 screens

Verdict

The call

The clearest difference is rating: Cal AI at 4.8 against Days Without's 1.5. Cal AI also leads on review sentiment (32% vs 0%) and ratings volume (366K vs 2). Days Without's advantage is ads (none vs shown). On price, in-app purchases, monetization model 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. Cal AI sells 19 in-app purchases, starting at $2.99 per 7 days and Days Without sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Cal AI holds the better App Store score, 4.8 against 1.5. That said, the two scores are not equally well evidenced: Cal AI has 366K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 32% of Cal AI's written reviews are positive against 0% of Days Without's.

Scorecard5 real differences · 6 level
Cal AI versus Days Without: the parameters behind the verdict, then further details
ParameterCal AIDays Without
PriceFreeFree
Rating4.8 (366K ratings) — better1.5 (2 ratings)
Positive reviews32.0% of reviews — better0.0% of reviews
Number of ratings366K — better2
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesYesYes
MonetizationFreemiumFreemium
Best chart rank#6 — better—
DevicesiPhone, Apple WatchiPhone, iPad
Requires iOS18.017.6 — better
Further details — not scored
Size310 MB5 MB
Age rating4+4+
DeveloperViral Development LLCClément Béchu

Customer experience

Cal AI

All ratings365,931 ratings
Positive95.5%
Neutral2.5%
Negative2.0%
Written reviews4,103 reviews
Positive32.0%
Neutral10.5%
Negative57.4%

Days Without

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Cal AI

Reported bugs

4 issues
  • Freezing/crashing issues
  • Incorrect data entry and logging
  • Syncing problems across devices
  • Unreliable barcode scanning

Requested features

5 requests
  • Ability to manually adjust portion sizes
  • Integration with fitness trackers
  • Detailed macro and nutrient breakdowns
  • Saved meal/recipe functionality
  • More customization options

Days Without

Not enough reviews yet to summarise bugs or requests.

In-app purchases

19 purchases

Cal AI

Subscriptions18
  • Unlimited$2.997 Days
  • Unlimited3 Days trial$5.991 Month
  • Unlimited$5.991 Month
Show 15 more
  • Unlimited$6.997 Days
  • Unlimited$7.991 Month
  • Unlimited$9.991 Month
  • Unlimited1 Month trial$9.991 Month
  • Unlimited3 Days trial$9.991 Month
  • Unlimited$14.991 Month
  • Unlimited3 Days trial$14.991 Month
  • Unlimited2 variants$19.991 Year
  • Unlimited Plan3 Days trial$19.991 Year
  • Unlimited$29.991 Year
  • Unlimited3 Days trial2 variants$29.991 Year
  • Unlimited1 Year trial$29.991 Year
  • Cal AI Family Plan$59.991 Year
  • Unlimited3 Days trial$69.991 Year
  • Unlimited3 Days trial$89.991 Year
One-time1
  • Streak Restore$0.99
1 purchases

Days Without

One-time1
  • Premium version$3.99

Questions

Is Cal AI free?
Cal AI is free to download, with in-app purchases available.
Is Days Without free?
Days Without is free to download, with in-app purchases available.
Which has better reviews, Cal AI or Days Without?
Cal AI is rated higher. Cal AI averages 4.8 out of 5 from 366K ratings, while Days Without averages 1.5 from 2 ratings.
Do Cal AI or Days Without have ads?
Cal AI shows ads; Days Without does not.

Other comparisons