Heat Harmony vs NRTHRN Strong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Heat Harmony
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Heat Harmony is a Copenhagen based Sauna Gus space. In a world where the pace rarely slows and the demands on the body are high, we create a space where you can take a deep breath and get restored. At Heat Harmony, we specialize in Sauna Gus – where heat, aromatherapy, and breathing techniques are combined to create a unique experience of relaxation and renewal. Our saunagus is an invitation to slow down, get a break. Here it's not about performance or rushing, but about letting go and recharging. Sauna Gus is a natural pause, where you can allow your mind to relax and your body to recover – absolutely what we need with an active lifestyle
NRTHRN Strong
Easily browse and purchase class packs or membership options. View the class schedule, filter by type, and manage your reservations to stay organized and committed to your fitness goals.
- Purchase class packs and memberships
- Browse and view class schedule
- Filter classes by type
- Manage class reservations
- Stay organized with fitness goals
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Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.
Screenshots
Verdict
The clearest difference is update cadence: NRTHRN Strong at every 3 weeks against Heat Harmony's every 2 months. Heat Harmony's advantage is iOS requirement (13.0 vs 16.0). 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. Neither carries in-app purchases, so what you see is what you pay.
Heat Harmony ships an update every 2 months, NRTHRN Strong every 3 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.
| Parameter | Heat Harmony | NRTHRN Strong |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (7 ratings) — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 39 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | YOGO.DK ApS | Nordic Strong ApS |
In-app purchases
Heat Harmony
No in-app purchases
NRTHRN Strong
No in-app purchases
Questions
Is Heat Harmony free?
Is NRTHRN Strong free?
Do Heat Harmony or NRTHRN Strong have ads?
Which is updated more often, Heat Harmony or NRTHRN Strong?
Other comparisons
