Comparison

WeightSnap vs 75 Days Challenge

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

Head to head
About

WeightSnap

Effortlessly log your weight by simply pointing your camera at your scale or using voice input. Data syncs automatically to the Health app, and progress is visualized with trend graphs. Your privacy is paramount, with all data processed on-device and never shared.

Highlights
  • Camera-based scale reading
  • Voice input for weight logging
  • Automatic sync to iOS Health app
  • Weight trend graph visualization
  • On-device data processing
  • No account required
Read full description

【Weight Tracking Made Simple】 Point your camera at the scale, or just say the number. Record to Health app in one step. 【Free for AllNew sibling-app customers】 If you have purchased any of PupWeight, GlucoSnap, BPSnap, WaistVox, ThermoSnap, OxiSnap, BabyVox, or CoughWav, WeightSnap is unlocked automatically and free of charge. The cross-app entitlement syncs through iCloud Keychain on the same Apple ID. 【Features】 - Camera reads the number on your scale automatically - Voice input supported (just say "65.5") - Automatic sync to iOS Health app - Weight trend graph visualizes your progress 【Privacy First】 - Camera frames are used only for number recognition; nothing is saved - Voice data is processed on-device and never stored - No uploads to any cloud - No third-party ads - No account required - All data stays on your device 【How to use】 1. Tap the camera button and point at your scale or say "65.5" with voice input 2. Confirm the recognized number 3. Save to Health 【Requirements】 - iOS 17.0 or later - Health app access - Camera access - Microphone access (for voice input) Make weight tracking effortless. Download today!

About

75 Days Challenge

Build and track custom 75-day challenges for habits like fitness, wellness, or reading. Make progress visible with daily logs, photo proof, and friend invitations. The app stores your data locally or syncs securely with iCloud.

Highlights
  • Customizable 75-day challenges
  • Daily habit tracking
  • Photo proof for progress
  • Friend invitations and progress sharing
  • Timely reminders
  • Local data storage or iCloud sync
Read full description

Own75 turns lasting change into a clear, motivating daily practice. Build a 75-day challenge around the habits that matter to you, then make progress visible one day at a time. Choose a ready-made challenge or create your own. Set goals for discipline, fitness, wellness, reading, mindfulness, digital detox, or everyday routines—with flexible rules that fit your life. Stay accountable without feeling overwhelmed: • See exactly what is left to do today • Track streaks, completion, and long-term progress • Log water, workouts, reading, reflections, and other custom goals • Add photo proof to make your progress tangible • Invite friends and see each other’s daily progress • Get timely reminders so good intentions become consistent action ### The app collects absolutely no personal data. Your challenge photos and data are stored locally on your device. ### If you’re signed in to iCloud, your challenge count, invite code, and challenge data are synced securely to your personal iCloud account. Own75 is more than a checklist. It is a personal system for showing up, building momentum, and seeing who you become after 75 days. Start with one challenge. Keep going one day at a time. ### You must upgrade to Pro to use this app. **Subscription Details:** - Payment: Charges will be deducted from your iTunes account upon confirmation of purchase. - Automatic Renewal: Your subscription renews automatically unless turned off at least 24 hours before the end of the current period. - Renewal Charges: Your account will be charged for renewal within 24 hours before the current period ends. The fee will be provided by the system. - Subscription Management: Manage your subscriptions and turn off auto-renew in your account settings after purchase. - Cancellation and Refund: Managed directly by the store. - Free Trial: Any unused portion of a free trial is forfeited when a subscription is purchased. For more details, view our Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Read our Privacy Policy: https://www.kai7.app/p/privacy-policy-no-tracking.html

Screenshots

WeightSnap4 screens
75 Days Challenge4 screens

Verdict

The call

The clearest difference is monetization model: WeightSnap at free against 75 Days Challenge's subscription. On price, rating, ratings volume and ads 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. WeightSnap sells 1 one-off in-app purchase and 75 Days Challenge sells 3 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for WeightSnap against 5.0 for 75 Days Challenge. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Scorecard1 real difference · 8 level
WeightSnap versus 75 Days Challenge: the parameters behind the verdict, then further details
ParameterWeightSnap75 Days Challenge
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterSubscription
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size20 MB24 MB
Age rating4+4+
Developer合同会社AllNewKai Chi Tsao

Customer experience

WeightSnap

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

75 Days Challenge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

WeightSnap

One-time1
  • WeightSnap Full Version$2.99
3 purchases

75 Days Challenge

Subscriptions2
  • Own75 Weekly$7.997 Days
  • Own75 Annual$29.991 Year
One-time1
  • Own75 Lifetime$39.99

Questions

Is WeightSnap free?
WeightSnap is free to download, with in-app purchases available.
Is 75 Days Challenge free?
75 Days Challenge is free to download, with in-app purchases available.
Which has better reviews, WeightSnap or 75 Days Challenge?
WeightSnap and 75 Days Challenge are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do WeightSnap or 75 Days Challenge have ads?
Neither WeightSnap nor 75 Days Challenge shows ads.

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