nr. 01 vs Black Hole
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
nr. 01
A unique puzzle game that challenges your brain using numbers. The goal is to reduce all bubbles to 1 by switching them, but bubbles with the number 1 cannot be moved. It's easy to learn but can be incredibly challenging.
- Number-based bubble puzzles
- Reduce all bubbles to 1
- Cannot move bubbles with number 1
- Challenging for all skill levels
- Unique gameplay mechanics
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nr. 01 is the brand new, unique and free puzzle game from redBit games. nr. 01 uses numbers to push you to the limits of your brain even if it's not a math game. ••• nr. 02 in now out with new bubbles to puzzle you! ••• [HOW TO PLAY] - When you switch two bubbles, they decrease by 1 point - All balls have to get to 1 - But... You cannot move the bubbles with number 1 It is easy to play for everyone, but it could also drive geniuses crazy! Thank you for playing and for all great feedback! Enjoy! Enter our world! LIKE US ON FACEBOOK facebook.com/redbitgames FOLLOW US ON TWITTER twitter.com/redbitgames ADD US ON INSTAGRAM instagram.com/redbit_games VISIT OUR WEB SITE www.redbitgames.it Any problem or suggestion? We'd love to hear from you! Contact us at support@redbitgames.it
Black Hole
A strategic multiplayer puzzle game where players place numbered tiles on a board. The goal is to have the lowest sum of tile values surrounding the final empty space, the 'black hole'. Play against friends or AI.
- Multiplayer and AI modes
- Tile placement strategy
- Ascending tile numbering
- Lowest score wins
- Simple gameplay mechanics
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BLACK HOLE — A STRATEGY GAME OF NUMBERS AND POSITIONING Can you surround the Black Hole without giving your opponent the advantage? Play against a friend or challenge the AI in this quick competitive strategy game. HOW TO PLAY - Take turns placing numbered tiles. - Each player tries to control the spaces around the final empty tile. - When the board is full, the player with the lowest score wins. PLAY YOUR WAY - Challenge the AI - Play against a friend - Simple rules - Strategic gameplay - Quick matches
Screenshots
Verdict
The clearest difference is rating: Black Hole at 5.0 against nr. 01's 4.4. Black Hole also leads on review sentiment (100% vs 80%). nr. 01's advantage is ratings volume (42 vs 1) and iOS requirement (6.0 vs 16.0). On price, update cadence, ads and in-app purchases 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. nr. 01 sells 1 one-off in-app purchase and Black Hole sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Black Hole holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: nr. 01 has 42 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 80% of nr. 01's written reviews are positive against 100% of Black Hole's.
nr. 01 ships an update monthly, Black Hole every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | nr. 01 | Black Hole |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (42 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 79.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 42 — better | 1 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 6.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 16 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Tiny Games | Theodor Ungureanu |
Customer experience
nr. 01
Black Hole
Bugs and requests
nr. 01
Reported bugs
6 issues- Ad banner covers game and menu
- Iphone 6 plus bug
- Game crashes repeatedly
- Crashes every 7 seconds
- Crashes immediately after startup
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- Game crashes as soon as it is opened
Requested features
5 requests- More levels
- Move the ads
- Fix iPhone 6 Plus bug
- More levels to play
- Fix crashing issues
Black Hole
Not enough reviews yet to summarise bugs or requests.
In-app purchases
nr. 01
- Remove Ads$0.99
Black Hole
- Remove Ads$1.99
