KruBoss Boxing Timer vs SelfDefenseLiveZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KruBoss Boxing Timer
This interval timer mimics the functionality of a real gym clock, offering a straightforward and ad-free experience for martial arts training. Its intuitive design ensures immediate usability for anyone familiar with gym environments.
- Real gym clock interface
- Ad-free experience
- Intuitive for martial artists
- Straightforward functionality
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KruBoss Boxing Timer the real deal, what you would find hanging on the wall of a real gym. The straight to the chase Interval Boxing Timer, no ads, free! If you've ever trained in martial arts, you already know how to use it! Features : - Work / Rest time - Prep delay (gives you time to put your gloves on) - Basic or custom circuit mode with steps - Loud and clear bell-in, bell-out and 10 seconds clap - Record short videos (once or every round) added to your gallery - Convert videos to skeleton animation - Workout stats with multiple modes (keep highest, accumulate, replace)
SelfDefenseLiveZ
Discover effective self-defense techniques and moves with this comprehensive reference app. Find guidance based on your location or specific towns in the USA, enhanced by instructional videos. Designed to aid youth in their self-defense training.
- Information on various self-defense techniques
- Find self-defense moves by location
- Instructional videos of self-defense moves
- Reference for self-defense training
- USA-specific location search
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The SelfDefenseLiveZ application provides complete information of various Self Defense techniques, a reference app to find the best self defense moves from where you are or specific towns in the USA. Also, for more reference are the many videos of best in class self defense moves. It is our hope that this app will provide useful information that can help youth in their respective self defense training.
Screenshots
Verdict
The clearest difference is ratings volume: KruBoss Boxing Timer at 25 against SelfDefenseLiveZ's 1. On price, rating, update cadence and ads 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.
On the App Store both sit at effectively the same score — 4.9 for KruBoss Boxing Timer against 5.0 for SelfDefenseLiveZ. That said, the two scores are not equally well evidenced: KruBoss Boxing Timer has 25 ratings behind it against 1, so its average is the more settled of the two.
KruBoss Boxing Timer ships an update every 3 months, SelfDefenseLiveZ every 2 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.
| Parameter | KruBoss Boxing Timer | SelfDefenseLiveZ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (25 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 25 — better | 1 |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 78 MB | 26 MB |
| Age rating | 4+ | 17+ |
| Developer | Globules Interactive Limited | Randolph W Duerr |
Customer experience
KruBoss Boxing Timer
SelfDefenseLiveZ
In-app purchases
KruBoss Boxing Timer
No in-app purchases
SelfDefenseLiveZ
No in-app purchases
Questions
Is KruBoss Boxing Timer free?
Is SelfDefenseLiveZ free?
Which has better reviews, KruBoss Boxing Timer or SelfDefenseLiveZ?
Do KruBoss Boxing Timer or SelfDefenseLiveZ have ads?
Which is updated more often, KruBoss Boxing Timer or SelfDefenseLiveZ?
Other comparisons
