SLK Coaching vs Weivly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SLK Coaching
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Introducing SLK Coaching App by your coach Sarah Lawless Kavanagh. Work with me on a 1:1 bases and dive deep into your fitness and nutrition goals. Working on your movement, mindset and food. SLK Coaching will now be offering a monthly in app purchase to enable you to have access to a workout program and nutrition target to suit your goals. For more information on coaching packages visit: https://www.slkcoaching.com/ * App access requires paid coaching plan Terms of use: https://kahunas.io/terms-conditions Privacy policy: https://kahunas.io/privacy
Weivly
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Weivly is the weight tracking app that’s simple, smart, and built to motivate. Weivly does one thing brilliantly: weight tracking. With one-tap logging and powerful analytics, you’ll see input-by-input changes, monthly averages, and animated charts that bring your progress to life. Weivly also predicts when you’ll hit your weight goal, based on your progress — so you always know where you’re headed. No diets. No workouts. No clutter. Just weight tracking made smarter, with insights that keep you motivated every day. Download Weivly today and start building progress, not perfection.
Screenshots
Verdict
The clearest difference is update cadence: Weivly at every 4 days against SLK Coaching's every 6 weeks. On price, ads, in-app purchases 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
Both are free to download. SLK Coaching sells 1 in-app purchase, starting at $150.00 per month and Weivly sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
SLK Coaching ships an update every 6 weeks, Weivly every 4 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | SLK Coaching | Weivly |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 47 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Sarah Lawless Kavanagh | Paul Greetham |
In-app purchases
SLK Coaching
- SLK Coaching$150.001 Month
Weivly
- Monthly subscription Weivly1 Month trial$1.991 Month
- Annual subscription Weivly1 Month trial$8.991 Year
Questions
Is SLK Coaching free?
Is Weivly free?
Do SLK Coaching or Weivly have ads?
Which is updated more often, SLK Coaching or Weivly?
Other comparisons
