Weight Tracker vs Depthline
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Weight Tracker
This app helps you track weight changes by comparing weekly averages, offering a clearer view of your progress beyond daily fluctuations. It uses data visualization, goal setting, and gamified elements to make weight management motivating and fun.
- Weekly average weight comparison
- Linear regression for trend analysis
- Goal setting with adherence percentage
- Interactive data visualization
- Gamified progress with points and achievements
- Online leaderboards for competition
Read full descriptionHide full description
Your weight fluctuates daily. In contrast to other apps Scelta compares weekly averages and shows your real weight progress! If you have ever used a scale regularly you know this problem: Your weight fluctuates from day to day and it’s difficult to say whether you gained weight, lost weight or just had a heavy day. Salty food, hydration status, sleep, stress, and hormonal fluctuations are just some of the many factors that can influence your weight heavily in the short term. To know what’s really going on you need to compare averages to each other. - eg. the average of the last 14 days to the average of the 14 days before. The difference, also known as delta, between these time spans is a very informative indicator of what really happens to your body weight. Scelta calculates this “scale delta“ for you and makes weight tracking approachable, meaningful, a lot of fun and incredibly motivating. Data visualisation of the next generation: • Your real progress: Scelta compares your average weight for the selected time span to the previous time span, eg. 7 days vs 7 days prior • Linear regression instead of peaks and valleys: A line of best fit shows your actual weight trend graphically • Reach your own goal: select eg. “- 1 lb per week” (or “- 0,5kg per week” depending on your local unit) and see at a glance how good you’re doing by taking a look at your adherence percentage • Hear your weight: Swipe on the graph to see the exact value of a data point and its linear regression, hear and feel (on devices with Taptic Engine) the value of your weight entries (you’ve never seen, heard or felt your weight this way!) • Scelta shows your total progress and how far you have come since you started your goal • After setting a new goal (eg. a lean gaining phase after losing fat) you can still go back to older goals to see your previous progress • See a graph of your goal adherence for every day since you first set your goal. Swiping on it reveals your weekly rate of weight change and how well you adhered to your goal in the 7, 14 oder 30 day average comparison on that day. There has never been anything like it before. And because everything is more fun as a game: • The RPG where you are the main character: Collect Scelta Points by reaching your own goal and level up • Prolific story: Unlock many different achievements for your adhering to your weight adventure • Online leader boards: Compete with your friends or users worldwide to see who accomplishes their personal weight goals best Losing weight on a fat-loss diet, keeping your lean-gaining phase in check or if you’re just trying to maintain your current weight: Weight Tracking has never been this fun! What position will you reach with your personal progress in the leader boards? Download Scelta now and try it today! ——— Scelta integrates with the Apple Health app: Scelta uses the Health app that is pre-installed on your iPhone to show already existing weight data and to save new entries. Because of this Scelta will ask you to grant read- and write-access to your weight data. Your weight is only visible to you and is not sent or visible to anyone but yourself. Achievements you unlock and points you collect to climb the leader boards are a result of how well you adhere to your goals and not your actual weight entries. The goal you set for yourself is not visible to anyone else as well. Scelta Terms of Use - https://www.waldow.app/terms-scelta/ Scelta Privacy Policy - https://www.waldow.app/privacy-scelta/
Depthline
Read full descriptionHide full description
A scale gives you a measurement. Depthline helps you understand the pattern across measurements. See your recent weight trend beside the actual daily readings. The trend is a smoothed estimate, clearly distinguished from your latest measurement. Sparse histories and gaps stay visible. Weight loss, maintenance and gain are described without scores or judgment. SEE THE PATTERN • Connect Apple Health Body Weight or log manually. • See your estimated trend on a dated chart with weight axes. • Inspect individual reading days and how multiple readings are combined. • Choose an optional target or range, or simply observe. • Check coverage, source differences and how the estimate is calculated. EXPLORE YOUR HISTORY Inspect 30 days, 90 days, one year or all your history. Compare dated estimates when the readings support them. Missing days stay missing, and long gaps visibly restart the estimate. KEEP YOUR RECORDS Unlimited manual records, your complete Log, editing and deletion of app-owned readings, CSV export, widgets and Shortcuts are included. Imported Health readings retain their source and stay read-only in Depthline. Depthline never writes to Apple Health. AN OPTIONAL VOYAGE Explore an illustrated perspective on your history with every range and vessel style included. Voyage is symbolic; History provides the dated weight chart and supported comparisons. COMPLETELY FREE Every feature is included. No upgrade, in-app purchase or subscription. Previous Depthline Plus purchasers keep all their features without another payment or a restore step. Your saved readings and settings remain intact when you update. PRIVATE BY DESIGN No account, advertising or third-party analytics. Your readings remain on your device. Apple Health access is optional. Depthline describes recorded weight and an estimate. It does not measure fat loss, explain the medical cause of a change, or provide medical advice.
Screenshots
Verdict
The clearest difference is in-app purchases: Depthline at none against Weight Tracker's 13. Weight Tracker's advantage is update cadence (weekly vs every 3 weeks) and device support (4 vs 1). On price 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
Both are free to download. Weight Tracker sells 13 in-app purchases, starting at $4.99 per month. Depthline asks for nothing beyond the download.
Weight Tracker ships an update weekly, Depthline every 3 weeks. The most recent releases landed on October 19, 2026 and September 30, 2026 respectively.
| Parameter | Weight Tracker | Depthline |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (999 ratings) — better | — |
| Positive reviews | 63.8% of reviews | — |
| Number of ratings | 999 — better | — |
| Update frequency | Weekly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 123 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Joe Waldow | Jeromy Seth Mobley |
Bugs and requests
Weight Tracker
Reported bugs
3 issues- Watch app crashes on launch
- Weight data not syncing correctly
- Unable to edit or delete past entries
Requested features
5 requests- Add option to track body fat percentage
- Improve weight goal setting and customization
- Provide more flexible data entry and editing
- Integrate with more third-party health apps
- Expand historical data and trend analysis
Depthline
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Weight Tracker
- Scelta Pro Monthly$4.991 Month
- Scelta Pro Annually$19.991 Year
- Scelta Pro Annually$29.991 Year
Show 1 moreShow fewer
- Scelta Pro7 Days trial$29.991 Year
- Scelta Black Edition Dark Mode$1.99
- Losing Weight in "Deep Ocean"$1.99
- Gain Weight in "Gold is best"$1.99
Show 6 moreShow fewer
- My Weight Diary in Really Red$1.99
- Weight Tracker in Warp Drive$1.99
- Small Tip: Cup of Coffee$2.99
- Big Tip: Pot of Coffee$5.99
- Weight Tracker Scelta Pro$59.99
- Scelta Pro Lifetime$59.99
Depthline
No in-app purchases
Questions
Is Weight Tracker free?
Is Depthline free?
Do Weight Tracker or Depthline have ads?
Which is updated more often, Weight Tracker or Depthline?
Other comparisons















