Thenics vs Kairos
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thenics
Master impressive calisthenics skills and build functional strength with step-by-step progressions. This app guides you through various movements, offering personalized workout plans to help you achieve your fitness goals.
- Skill progressions for calisthenics
- Technique explanations
- Personalized workout plans
- Strength and functional muscle building
- Street Workout and CrossFit movements
- Free and Pro skill levels
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Thenics helps you to achieve impressive Calisthenic skills and functional muscles. There are a lot of trend sports (Street Workout, CrossFit) and Calisthenics Movements (Bar Brothers, Barstarzz) where you will see these skills. Free Skills: * Muscle Up * Planche * Front Lever * Back Lever * Pistol Squat * Handstand Push Up * V-Sit Thenics Pro Skills*: * One Arm Pull Up * Human Flag * One Arm Push Up * One Arm Handstand * Shrimp Squat * Hefesto * Dragon Flag Thenics will guide you with descriptions and technique explanation of the skills and progressions. Every skill is divided into several progressions which include different workouts. Thereby you are able to learn skills step by step adapted to your current level. How is Thenics different to other fitness apps? Your goal isn't just to lift more weight or execute more reps. The Workouts and Progressions lead you to achieving new impressive skills. Additionally you will gain strength and get lean functional muscles! THENICS COACH* How to plan your workouts? - Can I work on multiple skills in parallel? - How long should I rest? - How to combine basic workouts with skill training? A good answer to that highly depends on your specific goals and conditions. The THENICS COACH will generate personalized Workout plans for you, adapted to your goals and conditions. *(only available with Thenics Pro) Terms of use: https://thenics.de/TermsOfUse.html
Kairos
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Kairos is the strength and gym tracker for people who just want to train — not manage a subscription. One purchase. Yours forever. No subscription, no ads, no account, no cloud. Everything lives on your device. --------------- COACH MODE — YOUR VOICE-GUIDED SESSION Press start and train. Coach Mode walks you through every set and rest, block by block, with a live timer and automatic rest countdowns — so your eyes stay on the bar, not the screen. LOG FAST, MISS NOTHING Tap in weight and reps in seconds. Full workout history, forever, with no limits on what you can look back on. SEE YOURSELF GET STRONGER Every personal record is celebrated the moment you hit it. Track trends, volume, and progress across your whole training history. REAL PROGRAMS, READY TO GO Start with structured Push/Pull/Legs and full-body plans, or build your own. 650+ built-in exercises with clear animated demonstrations and muscle-activation maps. SHARE THE WIN Turn any finished session into a clean, shareable card — your volume, your exercises, your PRs. BUILT FOR COACHES Build programs and hand them to clients as a single file. Your athletes import and train — no accounts, no platform in the middle. --------------- WHAT MAKES KAIROS DIFFERENT • FULLY OFFLINE — works with no signal, anywhere • ON YOUR DEVICE — all data stored locally, nothing uploaded • NO ACCOUNT — open the app and train, no sign-up • NO ADS, NO TRACKING — we don't collect your data • PAY ONCE — a one-time purchase, never a subscription Try everything free for 14 days. After that, keep Kairos free forever with the essentials, or unlock every feature once with Kairos Lifetime. No charge at the end of the trial. Nothing to cancel. Train the moment.
Screenshots
Verdict
Thenics and Kairos are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Thenics sells 4 in-app purchases, starting at $3.99 per month and Kairos sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Thenics | Kairos |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (993 ratings) — better | — |
| Positive reviews | 84.7% of reviews | — |
| Number of ratings | 993 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 160 MB | 190 MB |
| Age rating | 12+ | 4+ |
| Developer | Innothenics GmbH | Pawin Peetawan |
Bugs and requests
Thenics
Reported bugs
3 issues- Workout screens getting cut off on some devices
- Inability to go back to previous exercises
- Workout coach recommendations not always realistic
Requested features
5 requests- Add more exercise variations and progressions
- Implement custom workout builder
- Integrate with fitness tracking apps/devices
- Provide more detailed workout history and progress tracking
- Add support for mobility and flexibility exercises
Kairos
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Thenics
- Thenics Pro14 Days trial$3.991 Month
- Thenics Pro14 Days trial$39.991 Year
- Thenics Pro$89.99
- Thenics Pro$99.99
Kairos
- Kairos Lifetime$19.99









