Synka vs Ember
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Synka
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You don't stop at the first setback when you have a goal. Synka fits your training to your body, and when an injury comes, your physio takes over your plan: the goal stays in sight. IT'S NOT THE MILES, IT'S THE SPIKES 4 runners in 10 get injured while training for a race. Most training mistakes are sudden jumps: a long run much longer than anything you did this month, two hard sessions in a row, a comeback that starts too fast. Synka builds your plan to race day and smooths those jumps out to reduce the risk, week after week. A PLAN THAT FOLLOWS YOUR BODY Ten seconds each morning: energy, pain, period. Your heart rate variability, resting heart rate and how you feel decide today's session: tired, the hard session gets easier or moves to a better day. Short on time? Say how many minutes you have and Synka builds a session that fits. Took a break? The plan eases you back in, based on how long it lasted. INJURED? YOUR PHYSIO TAKES OVER Log your pain: Synka tracks it every morning and after every run, and guides you through a step-by-step return, from walking back to your plan. If a physio follows you, they set up your return from their free web space, see your pain and your runs between visits, and their limits come before everything else in the plan. No physio? The return works on its own, and the app can help you find one. YOUR CYCLE, ONE MORE LEVER For runners who track it, Synka learns which phases cost you more and places hard sessions on your best days: it moves them, it never waters them down. On hormonal contraception or without cycle tracking, the plan works exactly the same. EVERYTHING A PREP NEEDS From 5k to marathon, one to seven runs a week, a run-walk start for beginners. Intervals, threshold, tempo, long runs, lighter weeks, guided strength work. GPS runs with voice-guided pace, your run on the lock screen, sessions sent to your watch: Apple Watch, COROS, Suunto, and your Garmin runs through Apple Health. SEE YOURSELF PROGRESS Your paces are set on your measured level, not on a wish. Synka shows the race time you can aim for, your VO2max pace (with a 6-minute test when it gets stale), your freshness and your pace at the same heart rate. No watch? Everything works by feel. HONEST Every change to your plan comes with its reason, in "What moved". No made-up numbers, no ads, no tracking, no in-app purchase. Delete your account and all your data from the app, immediately. Synka is not a medical device and does not replace medical advice.
Ember
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Ember is a perimenopause symptom tracker built for this transition, not adapted from a period tracker. A minute a day, and a report your doctor can actually use. A DAILY CHECK-IN, BUILT FOR PERIMENOPAUSE Tap the symptoms that showed up today, from hot flashes and night sweats to brain fog, low mood and joint aches, and rate how strong they were. Add sleep, habits, bleeding and HRT. It takes about a minute. There are no fertility prompts and no cycle predictions, and a missed day breaks nothing. A REPORT FOR YOUR APPOINTMENT Ember turns what you log into a clear summary for your doctor or specialist: which symptoms came up most, how intense they were, and your monthly check-in score. Share it as a PDF, print it, or show it on your phone. SEE HOW THINGS CHANGE Trends shows each symptom over the past week, month or three months. Once a month, a short check-in asks how much each symptom has bothered you, and your score shows which way things are moving. HRT REMINDERS ON YOUR SCHEDULE If you take HRT, set a quiet reminder on the days and at the time that suit you. WORKS WITH APPLE HEALTH If you choose, Ember fills in last night's sleep and the day's workouts from Apple Health. It reads them on your phone and never writes to Health. WHAT YOU LOG STAYS ON YOUR PHONE There is no account to create and no Ember server holding your logs. They leave your phone only when you share a report or a backup yourself. Ember sends anonymous usage counts and crash reports, which never include anything you log. ORGANIZED, NEVER DIAGNOSED Ember doesn't diagnose, explain causes or give medical advice. It organizes what you log, so you and your doctor can decide what it means. SUBSCRIPTION Ember is $6.99 a month, or $49.99 a year with a 7-day free trial. Payment is taken through your Apple ID. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period, and you can manage or cancel them in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://contactemberapp.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Synka at none against Ember's 3. Synka also leads on device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Ember sells 3 in-app purchases, starting at $6.99 per month. Synka asks for nothing beyond the download.
| Parameter | Synka | Ember |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | โ |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod, Apple Watch โ better | iPhone |
| Requires iOS | 15.1 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 72 MB | 65 MB |
| Age rating | 4+ | 12+ |
| Developer | Arthur Tornqvist | MASSIMO JAN BUONFRATE |
In-app purchases
Synka
No in-app purchases
Ember
- Monthly$6.991 Month
- Annual7 Days trial$49.991 Year
- Ember Lifetime$500.00









