Trendio vs Weight
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Trendio
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SEE YOUR PROGRESS WEEK BY WEEK Your weight naturally changes from day to day. Water, salt, sleep, digestion, and other everyday factors can move the number on the scale even when your overall progress hasn't changed. Trendio smooths those daily fluctuations into weekly averages. Instead of wondering what today's number means, you can simply look at your week and see: This week: 138.6 lb Last week: 139.4 lb Change: β0.8 lb It's a simple way to understand your progress without getting distracted by every weigh-in. Then explain the differentiation explicitly A DIFFERENT WAY TO LOOK AT YOUR WEIGHT Many weight apps focus on a rolling trend based on recent weigh-ins. Trendio takes a simpler approach: one clear average for each week, compared with the week before. That means you can look back over your progress and easily understand what happened each week, whether your weight went down, went up, or stayed about the same. No complicated trend lines to interpret. No obsessing over individual numbers. Just a clear week-by-week picture of your progress. This section is important for you. It tells the user why Trendio is different, rather than merely saying that it has averages. SET A GOAL AND FOLLOW YOUR PLAN Trendio isn't just about recording where you are. Set your goal weight and choose your plan start date to give your progress some context. See how much you've lost, how much you have left to go, your current pace, and your projected goal date. Your progress becomes something you can actually follow, not just a collection of weigh-ins. GET INSIGHTS THAT ACTUALLY MEAN SOMETHING Trendio turns your weekly data into simple, useful insights about your progress and pace. Instead of asking βWhat does this number mean?β, you can see how you're progressing toward your goal and where your current trajectory could take you. TRACK YOUR WAY Add your weight whenever you step on the scale, once a day, a few times a week, or whenever works for you. Trendio handles the averaging automatically. Prefer not to enter your weight yourself? Apple Health integration lets Trendio import your weight automatically, making tracking effortless. SIMPLE BY DESIGN Trendio isn't a calorie counter, meal planner, or complicated diet program. It's a focused weight-tracking app built around one simple idea: make it easy to understand your progress. See your weight week by week, understand your trend without daily noise, follow your goal, and get useful insights along the way.
Weight
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Your smart scale has been filling Apple Health with weigh-ins for years β and all you get is a wiggly line. WeighPredictor turns that history into answers. SEE WHERE YOU STAND β’ Current weight vs your personal reference point, all-time high, all-time low and ideal weight (BMI 22) β in kg and % β’ Changes over 7 days, 14 days, 1 month, 2 months β’ Averages per month and per year, with minβmax ranges β’ Month-over-month, quarter-over-quarter and year-over-year progression β’ Records: lowest and highest ever, longest losing streak, volatility, BMI with every category explained COUNT YOUR YO-YOS WeighPredictor detects every cycle where you lost weight and gained it back β how much, and when. Set your own threshold. PREDICT WHAT'S NEXT Your weight forecast 7 days to 1 year ahead, plus the date you'd reach your goal weight β free, with the linear model. Pro adds two smarter models: β’ Damped trend β knows every diet slows down β’ Metabolic β simulates your energy balance day by day from your sex, height and age, converging to a realistic plateau YOUR DATA IS YOURS β’ Reads weight from Apple Health β works with any smart-scale app (Feelfit, Withings, Renphoβ¦) β’ Add, correct or delete any weigh-in; optionally sync edits back to Apple Health β’ Export and import everything as JSON β’ No account, no ads, no tracking, no servers. Everything stays on your iPhone. The free version is generous and stays that way: the whole dashboard, every chart, yo-yo detection, BMI, the records editor, JSON backup, the full linear forecast and your goal date. One single purchase unlocks the two smart models. No subscription. Not medical advice β just your data, finally legible.
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Verdict
The clearest difference is device support: Trendio at 3 against Weight's 1. Trendio also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases 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. Trendio sells 1 one-off in-app purchase and Weight sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Trendio | Weight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 42 MB | 2 MB |
| Age rating | 12+ | 4+ |
| Developer | Laura Corrado | MANUEL NOVO LOPES |
In-app purchases
Trendio
- Trendio Premium$5.99
Weight
- WeighPredictor Pro$4.99









