Nap Timer vs DTalker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nap Timer
This app helps you set timed alarms for power naps, preventing deep sleep and grogginess. It aims to boost alertness, productivity, and cognitive function through scientifically supported nap durations.
- Timed power nap alarms
- Stopwatch functionality
- Simple UI
- Date and Time display
- Stylish menu system
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Feel ENERGIZED and REFRESHED with a Power Nap! Nap Timer allows you to fall asleep and wake up within a period of time. SCIENTIFICALLY PROVEN cientifically proven to improve cognitive function, increase productivity, and alertness while leaving you energized and refreshed. Nap Timer is the SIMPLE and FAST way to set an alarm for the ideal power nap. A study by NASA found a 26-minute power nap improved performance by 34% and alertness by 54%. The secret to successful power naps is not sleeping too much. It is advised not to sleep over 30 to 40 minutes, which at this point you enter a state of deep sleep. Waking up in deep sleep causes sleep inertia, leaving you feeling groggy, drowsy, and generally worse off than before the nap. Power Nap Timer prevents you from entering this state of sleep by limiting how many minutes you are allowed to set an alarm to wake up from your nap. 6 Benefits of Power Napping: 1. Reduces Stress 2. Increases alertness and productivity 3. Improves memory and learning 4. Increases cognitive functioning 5. Boosts creativity 6. Improves health Features: - Simple Easy to understand UI - Nap Timer - Stopwatch - Date and Time - Stylish Menu System
DTalker
This utility provides Japanese text-to-speech functionality with four distinct voice options. It integrates with system settings for easy voice selection and can be used with accessibility features like VoiceOver. Developers can also utilize it for speech synthesis in their applications.
- Four distinct Japanese voice options
- System voice integration
- Compatibility with VoiceOver
- Developer API for AVSpeechSynthesizer
- Selection reading capability
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There are four types of voices: "Takashi", "Keiko", "Taro" and "Hanako". Select "Keiko", "Takashi", "Hanako" or "Taro" from "DTalker_TTS" in "System Settings", "Accessibility", "Reading Content", "System Voice" and then "Japanese". It can also be used to read selections, use with VoiceOver, and for development with AVSpeechSynthesizer. Before using this application, please be sure to read the "License Agreement" below. Installation will be deemed acceptance of this License Agreement. ・License agreement https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ ・privacy policy https://www.createsystem.co.jp/main/footer/kojin.html
Screenshots
Verdict
The clearest difference is review sentiment: DTalker at 50% against Nap Timer's 0%. DTalker also leads on rating (5.0 vs 2.0) and update cadence (every 3 weeks vs every 35 months). Nap Timer's advantage is in-app purchases (none vs 2) and iOS requirement (8.0 vs 16.0). On price, ratings volume, ads and device support 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. DTalker sells 2 in-app purchases, starting at $0.99 per month. Nap Timer asks for nothing beyond the download.
DTalker holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 0% of Nap Timer's written reviews are positive against 50% of DTalker's.
Nap Timer ships an update every 35 months, DTalker every 3 weeks. The most recent releases landed on September 26, 2026 and September 22, 2026 respectively.
| Parameter | Nap Timer | DTalker |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 50.0% of reviews — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 35 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 8.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 28 MB | 81 MB |
| Age rating | 4+ | 4+ |
| Developer | Emrah Kavak | CREATE SYSTEM DEVELOPMENT CO., LTD |
Customer experience
Nap Timer
DTalker
In-app purchases
Nap Timer
No in-app purchases
DTalker
- Unlock Demo Version monthly$0.991 Month
- Unlock Demo Version 2 months$1.992 Months
