Reflex training vs ZenLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reflex training
This simple game challenges you to tap the smallest falling number within a 60-second time limit. Improve your reaction speed and focus with this straightforward reflex training tool.
- Tap the minimum falling number
- Simple reflex training
- 60-second time challenge
- Easy-to-understand gameplay
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Easy reflex training app just by tapping the falling numbers! The "Drop Numbers" rule is simple. Just tap the minimum number among the numbers falling from the top. Can you set a time of 60 seconds or more? >> how to play 1: Press "スタート". 2: Tap the lowest number in the row of falling numbers.
ZenLock
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ZenLock is an App Blocking App that *forcefully* stops the apps you overuse. ◆ Simple Flow ・Select addictive apps like YouTube, TikTok, Instagram, X, or games to block ・When you really need them, choose a temporary unlock time (15/30/60 minutes) → Unlocking requires passing a randomly generated 10-character challenge →→ This extra step makes you ask: “Do I really want this app badly enough to type it out?” ・Even while using the app, once the chosen time is up, it will be blocked again automatically → No more “I only meant 15 minutes on YouTube, but suddenly it’s been an hour…” ◆ Perfect for people who: ・Spend too much time on social media or video apps ・Struggle to stay focused on study or work because of their phone ・Lose sleep from late-night endless scrolling and regret it the next day ZenLock helps you change habits without relying on willpower. It’s ideal for anyone who feels guilty about wasted time, wants to secure focus for study, work, or side projects, or simply start a digital detox. ◆ Safe & Private ZenLock runs entirely on-device using iOS system features. No personal data is sent outside.
Screenshots
Verdict
The clearest difference is update cadence: ZenLock at every 5 days against Reflex training's monthly. Reflex training's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.0). On price, 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.
Reflex training ships an update monthly, ZenLock every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.
| Parameter | Reflex training | ZenLock |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 32 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Masaya Kamimoto | kohei kishimoto |
In-app purchases
Reflex training
No in-app purchases
ZenLock
No in-app purchases
Questions
Is Reflex training free?
Is ZenLock free?
Do Reflex training or ZenLock have ads?
Which is updated more often, Reflex training or ZenLock?
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