NightBell vs Halftime Performance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NightBell
This app monitors for sleepwalking episodes using motion sensors. It triggers a gentle alarm to wake you and can alert household members. A unique task-based system on a smartwatch helps differentiate between sleepwalking and being awake to prevent false alarms.
- Sleepwalking detection via motion sensors
- Gentle alarm to wake user
- Household member alerts
- Smartwatch task for false alarm prevention
- Designed for sleepwalker safety
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NightBell is an app developed to meet sleepwalker needs. It’s designed to keep you safe by triggering an alarm, gently waking you up, and alerting your household members, if you start sleepwalking. Key Features: 1. Sleepwalking Detection: NightBell uses motion sensors to detect sleepwalking episodes and triggers an alarm to wake you up. 2. Gentle Alarm: The app wakes you up gently, minimizing disruption while ensuring you are aware of your sleepwalking. 3. Prevention of false alarms: If NightBell detects walking when the session is active, it will ask the user to perform a simple Task on the Apple Watch to understand if he’s awake or sleepwalking. Download NightBell now and experience the peace of mind that comes with knowing you'll be alerted if sleepwalking occurs. Sleep tight and let NightBell watch over your slumber.
Halftime Performance
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Halftime is where athletes train the mind like they train the body. Designed by certified mental performance professionals, the Halftime app brings elite-level mindset coaching directly to your phone - built for athletes and high performers who want structure, focus, and real growth. Key Features: • Live & On-Demand Classes - Guided mental performance sessions including meditation, visualization, and journaling. • 1-on-1 Coaching - Book private coaching sessions to go deeper on goals, mindset blocks, and next-play strategy. • Coach’s Corner –-Goal-setting walkthroughs, CHAMP framework videos, guided journaling prompts, and pep talks. • Book Sessions - Reserve your spot for Halftime workshops, classes, and exclusive member events. • The Playbook - Access physical and digital tools including a quarterly habit + goal-tracking journal. • Film Room - Rewatch past trainings, guided meditations, and new mental reps each month. • Performance Tracker - Stay accountable with progress logs, class attendance, and goal check-ins. Made for athletes, by athletes. Halftime is used by gyms, sports facilities, and elite performers who want a proven mental edge. Members don’t just learn - they train with a system designed to help them reset, reflect, and win the second half. Whether you're a student-athlete, pro, or just someone with a competitive mindset - Halftime gives you the tools, the structure, and the community to level up your mental game. Reset. Adjust. Win the second half.
Screenshots
Verdict
NightBell and Halftime Performance are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
NightBell ships an update every 11 days, Halftime Performance every 10 days. The most recent releases landed on June 4, 2026 and September 17, 2026 respectively.
| Parameter | NightBell | Halftime Performance |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 11 days | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, Apple Watch | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 4 MB | 394 MB |
| Age rating | 4+ | 4+ |
| Developer | Irina Deeva | Halftime Performance Co LLC |
In-app purchases
NightBell
No in-app purchases
Halftime Performance
No in-app purchases









