Mountain vs Tap Tap Fish
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Mountain
Experience a unique and relaxing nature simulation where you embody a mountain. Generate your own mountain, observe its life cycle, and find a space for reflection and introspection. This game offers an existential journey through the natural world.
- Existential nature simulation
- Generate a unique mountain
- Observe growth and decay
- Time moves forward
- Nature expresses itself
- No DLC
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Experience life as a Mountain in this relaxing nature simulation game. Generate a unique Mountain and visit it any time to reflect, collect your thoughts or let your mind wander. Features - no DLC - time moves forward - things grow and things die - nature expresses itself #1 bestselling RPG in 33 countries. Mountain automatically syncs with Apple TV. "Mountain breaks the mold of video games." - Ian Bogost, The Atlantic "Nothing You Do Matters in This Game, But You’ll Still Obsess Over It." - Bo Moore, WIRED "At the beginning of the game, I find the idea cute. By the end, I am hypnotized." - Carolina A. Miranda, LA Times "Welcome to an existential nightmare." - Patrick Klepek, Giant Bomb "The time I spend with Mountain feels slightly more real to me than anything else inside my computer." - Leigh Alexander, Gamasutra "Mountain upends expectations, refusing to fit into preexisting categories." - Justin Cone, Motionographer "I don’t like to talk emotions but this game genuinely is so uplifting." - Alice O'Connor, Rock Paper Shotgun "The only experience that has ever made me feel sad about a geological phenomenon." - Andrew Webster, The Verge
Tap Tap Fish
An idle, relaxing game designed to relieve stress and calm the mind. Expand your aquarium, invite adorable fish friends, and enjoy a peaceful experience. Watch your underwater world grow and feel your worries melt away.
- Idle relaxing gameplay
- Stress relief and calming atmosphere
- Aquarium expansion
- Collection of cute fish and sea creatures
- Beautiful deep-sea scenery
- Soothing background music
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A Stress-free Game You Can Enjoy While Relaxing Comfortably. 'Tap Tap Fish - Abyssrium' is an idle relaxing game that will relieve your stress and help calm your mind. Invite cute fish friends who seek comfort and relaxation in the aquarium. Relax and watch your aquarium grow bigger without trying hard. Fill your peaceful aquarium with a bunch of playful cute fish friends. Take a break from your busy daily lives and relax. Expand your aquarium and meet lots and lots of cute fish. The idle relaxing game 'Abyssrium' is a stress-relief game which you are definitely going to love! Aquarium Full of Adorable Fish In the idle relaxing game 'Abyssrium,' you can make friends with charming fish which you only came across on TV, in books, or aquariums. Meet magnificent and adorable whale friends including dolphins, killer whales, blue whales, humpback whales, and sperm whales in the game. Not to mention there are so many kinds of interesting friends awaiting you in the aquarium such as sharks, tunas, rays, lampreys, and even cats and cute dogs! Recommended for People Looking for Relaxing Game Leave everything behind for a moment and play the idle relaxing game 'Abyssrium.' Take a deep breath, play this beautiful game, and let your mind be stress-free. The beautiful and calming music, a variety of sceneries in the deep sea, and adorable fish friends will keep you entertained and stress-free. Just watching fish friends swim in the aquarium will help you feel relaxed and keep you calm. You will also be satisfied seeing the sea creatures grow throughout the gameplay. Grow Your Aquarium with a Tap The Lonely Corallite in the aquarium is eagerly wanting to make new friends. Invite adorable fish to be friends with the Corallite. Just go with the flow and tap to progress in the game. The Corallite will find comfort and keep growing. Cute fish and large whales will come to your aquarium in search of new friends. Create your own relaxing aquarium with the beautiful scenery of the abyss. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Subscription options We have the following subscription periods in our game: 1. Weekly Diamond Membership offers weekly subscription for $7.99 after 3-day free trial which provides 200 Rubies , 1 Prop on a daily basis and Removes ADS. 2. Monthly Diamond Membership offers monthly subscription for $12.99 which provides 200 Rubies , 1 Prop on a daily basis and Removes ADS. 3. Yearly Diamond Membership offers yearly subscription for $64.99 which provides 200 Rubies , 1 Prop on a daily basis and Removes ADS. End of trial and subscription renewal This price is established for United States customers. Pricing in other countries may vary and actual charges may be converted to your local currency depending on the country of residence. Payment will be charged to your iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Canceling trial or subscription You can turn off the auto-renew for the subscription whenever you want to through iTunes. Check https://support.apple.com/HT202039 . When your current trial/subscription period expires, you will be unsubscribed. The current active subscription period can not be canceled. When your subscription expires, you will no longer be able to use elements included in Subscription option. If you have any questions or comments, feel free to contact us at abyssrium_EN@wemadeconnect.com
Screenshots
Verdict
The clearest difference is price: Tap Tap Fish at Free against Mountain's $0.99. Tap Tap Fish also leads on rating (4.5 vs 3.4) and ratings volume (24K vs 113). Mountain's advantage is in-app purchases (none vs 10) and ads (none vs shown). On review sentiment 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
Tap Tap Fish is free to download; Mountain costs $0.99 up front. Tap Tap Fish sells 10 in-app purchases, starting at $7.99 per 7 days. Mountain asks for nothing beyond the download.
Tap Tap Fish holds the better App Store score, 4.5 against 3.4. That said, the two scores are not equally well evidenced: Tap Tap Fish has 24K ratings behind it against 113, so its average is the more settled of the two. Written reviews point the same way: 47% of Mountain's written reviews are positive against 53% of Tap Tap Fish's.
Mountain ships an update every 3 months, Tap Tap Fish every 4 weeks. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.
| Parameter | Mountain | Tap Tap Fish |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.4 (113 ratings) | 4.5 (24K ratings) — better |
| Positive reviews | 46.6% of reviews | 53.2% of reviews — better |
| Number of ratings | 113 | 24K — better |
| Update frequency | Every 3 months | Every 4 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 186 MB | 1.6 GB |
| Age rating | 4+ | 4+ |
| Developer | David O'Reilly | SangHeon Kim |
Customer experience
Mountain
Tap Tap Fish
User reviews
Mountain
From 113 App Store ratingsWhat we love
- 🌄 Relaxing and calming experience
- 🎨 Beautiful and atmospheric visuals
- 🎹 Enjoyable piano interaction
- 🤔 Thought-provoking and philosophical
Room to improve
- 🕹️ Lack of interactivity and gameplay
- 🔋 Battery draining issues
- 🚫 Not compatible with notched devices
- 🤷♀️ Unclear purpose and direction
Tap Tap Fish
From 24K App Store ratingsWhat we love
- 🌊 Calming, relaxing atmosphere
- 🐠 Beautiful, creative fish designs
- 🎨 Aesthetically pleasing visuals
- 🎶 Soothing background music
Room to improve
- 💰 Excessive in-app purchases and ads
- 🕰️ Slow progression and tedious grinding
- 🐛 Frequent crashes and bugs
- 🔍 Confusing, cluttered UI
Bugs and requests
Mountain
Reported bugs
2 issues- Mountain randomly resets, losing collected items
- Graphical glitches and performance issues on some devices
Requested features
4 requests- Add more dynamic events and changes to the mountain
- Introduce animals, seasons, and other living elements
- Improve keyboard functionality and integration
- Provide more guidance and explanation for users
Tap Tap Fish
Reported bugs
4 issues- Crashes when accessing certain menus
- Notifications and icons not working properly
- Inconsistent ad performance and rewards
- Saved data not loading correctly
Requested features
4 requests- Ability to name and customize individual fish
- More fish variety and less repetition
- Improved event system with better rewards
- Offline progress and reduced ad dependency
In-app purchases
Mountain
No in-app purchases
Tap Tap Fish
- Weekly Subscription (1 week)3 Days trial$7.997 Days
- 100 Gems$0.99
- Super Sale Package$0.99
- Auto Harvest$0.99
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- 550 Gems$4.99
- 400 Pearls$4.99
- Beginner Package$4.99
- 200 Pearls$4.99
- Junior Pack$9.99
- Daily Pearl Pack$9.99









