M vs MobAlerm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
M
This utility app provides discreet timekeeping for situations where glancing at a watch is impractical. It's designed for performers, speakers, or anyone needing to monitor time without visual distraction.
- Discreet time display
- Ideal for performances
- Useful for speeches
- Supports Apple Watch
- iPhone and iPod compatible
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Comedians challenging a comedy contest cannot see their watch. If an app tell them the time, it's very helpful, so I made it. Maybe you can use this app for a speech in school or office.
MobAlerm
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SIngle Timer. Three notificate until timer ended.
Verdict
The clearest difference is price: M at Free against MobAlerm's $0.49. M also leads on update cadence (daily vs every 10 days). On ads, in-app purchases, device support and iOS requirement 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
M is free to download; MobAlerm costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.
M ships an update daily, MobAlerm every 10 days. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.
| Parameter | M | MobAlerm |
|---|---|---|
| Price | Free — better | $0.49 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Daily — better | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Tsuyoshi Nakajima | Kengo Tate |
In-app purchases
M
No in-app purchases
MobAlerm
No in-app purchases
