Fishi: Aquarium Manager

• Free to download
• In-app purchases

Last verified 31 Jul 2026

4.6 484 ratings · App Store

1. 5/5I have had this app less than an hour

   I had gotten through “setting up” the tank and I noticed that some of the fish I needed to add to my tank weren’t available so I used the button to ask about them in an email within 20ish minutes I had gotten a response saying that they would add the entire collection of fish next update, I think having a response time like that with a helpful answer is worth the stars alone!!!

   dom f 02 · 31 Jul 2026

2. 3/5Too much locked behind a paywall.

   I love the layout and concept of this app, but it borderline unusable if you don't pay for it. I am not against a payment system, a lot of work went into this app, but i don't like how it is set up. To me it would make more sense if many of the beginner or very common fish were free, while more specific or advanced fish for people who are really into the hobby are available with the paid version. Even a betta requires the payed version, while an oscar doesn't. The inability to sort out the non-free fish also makes quite hard to find any. I just wish it was possible to set up a beginner tank without paying. Most of the free options are cichlids. Also, pictures for the different plants would be useful. I really love the concept and convenience of this, but the current monetisation strategy makes the free version frustrating. Suggestions/requests: For the "Discover Fish" scrolling feature, is the a way there could be an option to always have the "basic info" showing, because at a glance that is more useful than the current information that is shown.

   sugan69 · 31 Jul 2026

3. 5/5Nice little tracking app

   New review: so it was recording my measurements but it wasn’t obvious that only one could be displayed at a time. I clicked on Ammonia and then saw a drop down to view other parameters. This would be more intuitive if it showed plots for all measurements that I’ve added data for at one time, it not a show stopper. Old review: When I log pH and ammonia, it shows up in my test parameter list. Nitrate and nitrate can be logged but don’t show up.

   IrishNinjaSurfer · 31 Jul 2026

4. 5/5That was cool

   Already loved this app, made a suggestion for the filtering system on Wednesday and the suggestion was not only applied (so cool and so handy, thank you!!) but it was applied by Sunday. Won’t let me edit my original review to make it 5 stars so I’m definitely dropping one that does because a responsive and dedicated team that listens to its users deserves the praise on such a useful and honestly super good looking app. Thank you, Fishi team! You guys rock!

   Teddy Bear Rifle · 31 Jul 2026

5. 5/5Great Tool For Data People Like Me

   I’ve tried several and they are either very expensive and buggy, lacking features, or seemingly abandoned. This one allows me to track what I want to, hide other parameters, add tanks, and even gives feedback on parameters given my livestock. Great for beginners and advanced fish keepers alike. The developers are also very responsive and listening. Very happy with the app and worth the price.

   ctyankee · 31 Jul 2026

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