Number Master: Run and Merge
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Analysis by LookedApp · Published · Updated
Number Master: Run and Merge is an action-oriented mobile game where players control a growing numerical entity. The objective is to absorb smaller numbers, navigate obstacles, and break through barriers to reach the goal. It offers a straightforward yet engaging experience for players interested in numerical merging mechanics and obstacle-course gameplay.
What is Number Master: Run and Merge?
"Number Master: Run and Merge" is an action mobile game from KAYAC Inc. Players control a numerical entity, aiming to grow by absorbing smaller numbers on the game stage. Colliding with a larger number causes a setback. The game involves navigating obstacles like electric saws and bridges, with the ultimate goal of accumulating a large enough number to break through walls.
The game is available on Google Play and the App Store. On Google Play, listed as "Number Master: Run and merge" in the Action category, it was last updated on 2026-05-26 and released on 2022-07-15. It holds a 4.4 rating from 200.8K ratings and saw 1M downloads last month. The App Store version, also titled "Number Master: Run and merge" under Games, was updated on 2026-04-10 and released on 2022-10-19. It has a 4.6 rating from 76.5K ratings, requires iOS 14.0 or later, and is 171 MB in size, supporting 8 languages.
Latest on Number Master: Run and Merge
Is this the real Number Master: Run and Merge app?
- Verified publisher infoSame developer on Google Play and the App Store (KAYAC Inc.), and the developer website kayac.games matches the publisher.
- Established since 2022Listed since Jul 5, 2022, 100,000,000+ installs on Google Play.
| Developer on Google Play | KAYAC Inc. |
|---|---|
| Developer on the App Store | KAYAC Inc. |
| Same developer on both stores | Yes |
| Android package name | com.kayac.level_up_number |
| iOS bundle ID | com.kayac.number-master |
| On the stores since | Jul 5, 2022 |
| Installs on Google Play | 100,000,000+ |
| Developer website | kayac.games |
| Content rating | Google Play: Teen / App Store: 17+ |
These details come from the public store listings. LookedApp doesn't host downloads: install from the Google Play or App Store buttons on this page.
Key features
- Players move their numbers by swiping across the screen.
- Numbers can absorb smaller numbers encountered on the stage to increase their value.
- Colliding with a number larger than the player's current value causes a loss and requires restarting.
- Gameplay involves navigating various environmental obstacles such as electric saws, bridges, and ditches.
- The primary objective is to reach the goal and break through walls using a sufficiently large number.
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Privacy and permissions
The Google Play listing for "Number Master: Run and merge" indicates the application requests access to Wi-Fi connection information. This permission typically allows the app to view Wi-Fi connections for purposes like checking network availability. The listing does not detail how this information is utilized or if other personal data is collected or shared.
The App Store listing does not explicitly detail specific permissions requested by "Number Master: Run and merge" or its data handling practices. Information regarding data collection, usage, or sharing policies is not presented within the App Store description. Users might consult the developer's website, kayac.games, for more in-depth privacy information, as specific policies are not detailed in the store listing.
KAYAC Inc. publishes its privacy policy at kayac.games.
Number Master: Run and Merge permissions in plain English
The Google Play listing shows 1 permission group. Google Play also lists 4 other permissions, such as “view network connections”. That is about as many as most games & learning apps LookedApp reviews (typical: 1).
- Wi-Fi connection informationCan see Wi-Fi connection details
The App Store privacy label lists these data types:
- Used to track you: Location, Identifiers, Usage Data, Diagnostics
- Not linked to you: Location, Identifiers, Usage Data, Diagnostics
Permission names come from Google Play; the plain-English lines describe what each permission group allows, not how this app uses it.
Number Master: Run and Merge at a glance
| Developer | KAYAC Inc. |
|---|---|
| Category | Games |
| Rating on App Store | 4.6 out of 5 (77K ratings) |
| Rating on Google Play | 4.4 out of 5 (202K ratings) |
| Price | Free |
| Age rating | 17+ |
What changed in the latest Number Master: Run and Merge version
App Store · Version 2.3.6, released Apr 10, 2026
The release notes are general and don't list specific changes:
“Fixed some minor bugs”
Google Play · Listing updated Sep 19, 2026
The release notes are general and don't list specific changes:
“2030600 (v2.3.6) Minor improvements”
Quoted from the store listings' release notes.
Pricing
"Number Master: Run and Merge" is available at no cost for initial acquisition on both major mobile platforms. Users can download and play the game without an upfront payment.
The Google Play listing explicitly indicates the presence of in-app purchases within "Number Master: Run and merge." While the base game is at no cost, optional items or features can be purchased. The App Store listing also states "Free" for the price but does not provide additional details regarding in-app purchases within its description.
Number Master: Run and Merge compared with similar apps
| App | Rating | Installs | Price |
|---|---|---|---|
 Number Master: Run and Merge | 4.4 | – | Free |
 Boddle | 4.5 | – | Free |
 Minecraft | 4.3 | – | $6.99 |
 Desmos Graphing Calculator | 4.6 | – | Free |
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How to get Number Master: Run and Merge safely
Individuals interested in installing "Number Master: Run and Merge" should acquire it directly from the Google Play Store for Android devices or the Apple App Store for iOS devices. These platforms vet applications to help ensure they are free from malicious software.
It is crucial to verify the developer is KAYAC Inc. before installation. Users should avoid downloading the game from third-party websites, unverified APK mirrors, or sources other than the mentioned app stores. Such alternative sources may offer compromised versions, posing security risks. Reviewing permissions, such as Wi-Fi connection information on Google Play, before installation is also advisable.
How to install Number Master: Run and Merge
On Android (Google Play)
- Open the Google Play Store app on your Android phone or tablet.
- Search for Number Master: Run and Merge, or use the Google Play button on this page to open the listing directly.
- Check that the developer under the app name is KAYAC Inc..
- Check that your device meets the listing's requirement: Android 6.0 and up.
- Tap Install (or the price, for a paid app) and wait for the download to finish, then open the app from your home screen.
- The listing shows in-app purchases, so review any purchase prompts before you confirm.
On iPhone and iPad (App Store)
- Open the App Store on your iPhone or iPad.
- Search for Number Master: Run and Merge, or use the App Store button on this page to open the listing directly.
- Check that the developer under the app name is KAYAC Inc..
- Make sure your device has iOS 14.0 or later and about 163 MB of free space, as the listing states.
- Tap Get (or the price), confirm the download, then open the app from your home screen.
Number Master: Run and Merge version and app details
| Google Play | App Store | |
|---|---|---|
| Latest version | – | 2.3.6 |
| Last updated | Sep 19, 2026 | Apr 10, 2026 |
| First released | Jul 5, 2022 | Oct 19, 2022 |
| Package name | com.kayac.level_up_number | – |
| Bundle ID | – | com.kayac.number-master |
| Requires | Android 6.0 and up | iOS 14.0 or later |
| Download size | – | 163 MB |
| Content rating | Teen (Violence, Blood) | 17+ |
| In-app purchases | Yes ($4.99 - $6.99 per item) | – |
| Contains ads | Yes | – |
| Languages | – | 7 (including English) |
| Developer | KAYAC Inc. | KAYAC Inc. |
Who Number Master: Run and Merge is for
"Number Master: Run and Merge" is primarily designed for mobile gamers who appreciate a blend of action, numerical strategy, and obstacle course mechanics. The intuitive swipe controls and straightforward goal of growing a number by merging with smaller ones make it suitable for players looking for a casual yet engaging experience. Individuals who enjoy games that offer quick progression and a clear objective of overcoming challenges are likely to find this application appealing.
Regarding age appropriateness, the content rating for "Number Master: Run and Merge" varies slightly between platforms. The Google Play listing rates the application as "Teen," indicating it is generally suitable for teenagers. The App Store, however, assigns a content rating of "17+." It also mentions an IGRS rating of "3+" for ages, but the primary App Store content rating for the region is "17+," suggesting that the application might contain themes or elements that are more appropriate for older audiences. Given these varied ratings, it is advisable for players and guardians to consider the highest content rating provided when determining suitability.
Number Master: Run and Merge for kids and families
- Age rating: Google Play rates it Teen (Violence, Blood); the App Store rates it 17+.
- In-app purchases: Google Play: yes ($4.99 - $6.99 per item).
- Ads: the Google Play listing says the app contains ads.
- Data safety (Google Play): The developer says the app may share these data types with third parties: App activity, App info and performance, and Device or other IDs and may collect App activity, App info and performance, and Device or other IDs. Data is encrypted in transit. Data can't be deleted.
Store age ratings describe content, not whether an app suits a particular child. To limit downloads and purchases on a child's phone, see how to set up parental controls for app downloads.
Pros
- Features engaging gameplay where players strategically merge numbers to grow.
- Widely available on both Google Play and the App Store for broad accessibility.
- The application is available at no cost for initial installation.
- Developed by KAYAC Inc., an established developer in the mobile game space.
- Simple and intuitive swipe controls make the game easy to pick up and play.
Cons
- The Google Play listing indicates the presence of in-app purchases.
- Content ratings differ significantly between platforms, with "Teen" on Google Play and "17+" on the App Store, which may cause confusion.
- The App Store listing does not explicitly detail specific permissions requested by the app.
- The core gameplay loop of merging and avoiding obstacles might become repetitive for some players over extended periods.
Number Master: Run and Merge: frequently asked questions
Is "Number Master: Run and Merge" available at no cost?
Yes, the application is listed as being available at no cost on both Google Play and the App Store.
On which devices can "Number Master: Run and Merge" be played?
The game is available on devices supporting Google Play and the App Store, requiring a minimum iOS version of 14.0 for Apple devices.
Who developed "Number Master: Run and Merge"?
The application was developed by KAYAC Inc.
What is the content rating for "Number Master: Run and Merge"?
The Google Play listing rates the content as "Teen," while the App Store lists it as "17+".
Does the app have in-app purchases?
The Google Play listing explicitly states that the app includes in-app purchases.
When was the app last updated?
On Google Play, it was updated on 2026-05-26, and on the App Store, it was updated on 2026-04-10.
Number Master: Run and Merge
- Category
- Games
- Version
- 2.3.6
Download
Looking for the Number Master website or sign-in? Go to kayac.games →The developer's website, as given on the store listing.
Number Master: Run and Merge ratings breakdown
Google Play 4.4 average from 202,188 ratings
- 572%
- 411%
- 38%
- 23%
- 17%
App Store 4.6 average from 76,570 ratings
- 578%
- 412%
- 35%
- 22%
- 13%
Share of ratings for each star level, as shown on the listings, as of Sep 26, 2026.
