A 30 Day Challenge vs buzzbox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A 30 Day Challenge
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Mobility , Strength and Skills Commit to simple 30-day challenges—repeating just one small exercise every day. Easy to start, effortless to maintain, and powerful enough to create real, lasting change. Jump into our designed challenges or create your own custom challenges Our challenges are rooted in ancient movement traditions —drawn from the wisdom of kung fu, tai chi, and yoga —systems refined over centuries and still unmatched today.
buzzbox
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It's okay if you don't have a smartwatch. It's okay if you have no earphones, or if you're somewhere too quiet for sound. Just hold your phone in your hand — gentle vibrations will guide you through the rhythm of box breathing: inhale, hold, exhale, hold. In meeting rooms. On the subway. Under the covers. You can quietly care for yourself, without telling anyone. Aiming to be the smallest possible tool for your peace of mind. No login. No account. No sign-up. Your breathing records stay only on your device. If you'd like, you can save mindfulness sessions to Apple Health. If you'd rather not, everything works just the same.
Screenshots
Verdict
The clearest difference is device support: A 30 Day Challenge at 3 against buzzbox's 1. On price, update cadence, ads and in-app purchases 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.
A 30 Day Challenge ships an update every 5 days, buzzbox weekly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.
| Parameter | A 30 Day Challenge | buzzbox |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 45 MB | 50 MB |
| Age rating | 17+ | 17+ |
| Developer | William le Bussy | Square Sheep |
In-app purchases
A 30 Day Challenge
No in-app purchases
buzzbox
No in-app purchases








