NebulaSpeed vs SmartBooster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NebulaSpeed
This app offers text-to-speech functionality for documents and messages, allowing you to listen to content on the go. It also includes image compression to save device space and a unique gaming mode for managing photos. Additionally, it provides tools for organizing your phone contacts.
- Text-to-speech for documents and messages
- Image compression with minimal quality loss
- Gaming mode for photo deletion and organization
- Contact management and organization
- Listen to specific text excerpts or entire documents
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NebulaSpeed - our application helps you to study documents or messages from loved ones on the go. Any text you upload can be listened to. You can also listen to a specific excerpt of the text or the entire document. You are always in focus thanks to us. Image compression. We have developed functionality that allows you to compress photos almost without losing quality. You can easily free up space on your device by compressing the necessary images. We strive to optimize the quality of images and will continue to improve this functionality in the future. Tired of the routine deletion of photos? But it's a necessity when even compression doesn't help. We have created a gaming gallery cleaning mode for you. You can delete photos, like, add to favorites. All this takes seconds and immerses you in nostalgia for past moments. Walk through the photos of your events with us using the gaming mode. Control over contacts in the phone book is a very important aspect of everyone's life. We all try to manage our contacts and phone book so that there are no doubts about who this person is and where their contact is. Is this contact associated with the necessary number? All of these questions are addressed by our NebulaSpeed functionality. SUBSCRIPTION WITH UNLIMITED ACCESS: • You can purchase a subscription and get unlimited access to all the features of the NebulaSpeed app • Subscription fee is charged weekly, monthly or quarterly according to the selected plan End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Review Notes: This app doesn't include any Siri Shortcuts features.
SmartBooster
Optimize your iPhone's storage and efficiency with a suite of tools designed to clean unnecessary files, manage contacts, and enhance photos. This app helps declutter your device, improve responsiveness, and secure sensitive information, offering a comprehensive solution for device organization.
- Memory and storage cleanup
- Contact list organization
- Duplicate photo detection and enhancement
- Secret contacts management
- Internet speed test
- Regular device scans
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Unlock the full potential of your iPhone with SmartBooster, the best iPhone cleaner app designed to optimize your device’s storage and efficiency. This versatile cleaner app offers powerful tools to clean up your device, remove unnecessary files, and improve overall responsiveness for a seamless experience. SmartBooster is not just another app; it’s a comprehensive cleaner app built to help you keep your iPhone organized and running smoothly. Key Features: 1. Memory and Storage Cleanup Easily delete unnecessary files, cache, and other data that take up valuable space. Our app cleaner for iPhone helps you free up space and keep your device working efficiently. • Clean up junk and cache files with ease. • Perform deep cleanup to eliminate hidden clutter. • Efficient cleaning of obsolete data improves system responsiveness. • Regular scans ensure your device stays organized. 2. Contact Cleaner Organize and clean up your contact list effortlessly. Merge duplicates, delete outdated entries, and optimize contacts for faster access. Our iPhone clean up app makes managing your contacts simple and efficient. • Merge duplicate contacts seamlessly. • Remove obsolete entries to declutter your address book. • Optimize contacts for quick and easy access. • Maintain an organized and up-to-date contact list. 3. Photo Cleaner and Enhancer Free up space by identifying and removing duplicate photos. Enhance your images to higher resolution, improving clarity and detail for stunning visuals. SmartBooster is the best photo cleaner app for iPhone users seeking to optimize their photo library. • Detect and remove duplicate photos to free up space. • Enhance photo quality using advanced AI technology. • Improve clarity and detail for better visual experiences. • Organize your photo library efficiently. 4. Secret Contacts Management Manage your confidential contacts discreetly. Keep sensitive information hidden and secure, ensuring your privacy is protected. Our best iPhone cleaner app includes features to safeguard your personal data. • Hide sensitive contacts from prying eyes. • Securely store confidential information. • Access your secret contacts easily when needed. • Maintain privacy with robust security measures. Why Choose SmartBooster – Cleaner Kit Pro? • Comprehensive Cleaner App: SmartBooster offers a wide range of cleaning and organization tools in one convenient package. • User-Friendly Interface: Navigate through features effortlessly with our intuitive design. • Regular Updates: We continuously improve our app to provide you with the best clean up app for iPhone. • Privacy and Security: Your data is safe with us; we prioritize your privacy in all our cleaning processes. Optimize your device with SmartBooster – Cleaner Kit Pro and enjoy a clean, clutter-free iPhone every day. Download the best phone cleaner for iPhone today and experience the difference! End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ This app doesn't include any Siri Shortcuts features.
Screenshots
Verdict
The clearest difference is review sentiment: NebulaSpeed at 98% against SmartBooster's 0%. NebulaSpeed also leads on rating (4.2 vs 4.0) and ratings volume (205 vs 24). SmartBooster's advantage is monetization model (free with in-app purchases vs subscription) and update cadence (weekly vs every 2 months). On price, ads, in-app purchases 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. NebulaSpeed sells 2 in-app purchases, starting at $12.99 per 7 days and SmartBooster sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
NebulaSpeed holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: NebulaSpeed has 205 ratings behind it against 24, so its average is the more settled of the two. Written reviews point the same way: 98% of NebulaSpeed's written reviews are positive against 0% of SmartBooster's.
NebulaSpeed ships an update every 2 months, SmartBooster weekly. Both last shipped on November 4, 2026.
| Parameter | NebulaSpeed | SmartBooster |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (205 ratings) — better | 4.0 (24 ratings) |
| Positive reviews | 97.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 205 — better | 24 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17 |
| Further details — not scored | ||
| Size | 76 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | UBO OF MAGIT LLC DOO | GOLARIX LLC doo |
Customer experience
NebulaSpeed
SmartBooster
Bugs and requests
NebulaSpeed
Reported bugs
2 issues- Login screen freezes
- Incompatible with older Android versions
Requested features
3 requests- Dark mode option
- Advanced analytics dashboard
- Expanded text-to-speech capabilities
SmartBooster
Not enough reviews yet to summarise bugs or requests.
In-app purchases
NebulaSpeed
- Week$12.997 Days
- 12 Week$69.993 Months
SmartBooster
- Week3 Days trial$9.997 Days
- Quarter3 Days trial$69.993 Months
- premium$79.991 Year








