Widget Tank vs PuniCore
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Widget Tank
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Put your own aquarium on your Home Screen. WidgetTank lets you place any emoji into a tank and watch it swim in your Home Screen widget. Fish, pizza, ghosts, and faces can all swim. Decorate the background with coral, leaves, stars, or any emoji you like. Build a tank that is entirely your own. Tap the widget and the fish scatter. Weather-Linked Backgrounds The tank background changes automatically based on your current or selected area's weather. Sunny / Cloudy / Rainy / Clear Night / Rainy Night Every glance at your Home Screen can reflect the sky outside. Features • Add as many emoji as you want to your tank • Any emoji can swim: faces, food, animals, and more • Place emoji as background decorations too • Weather-linked backgrounds (5 patterns) • Tap to scatter the fish • All widget sizes supported: Small / Medium / Large / Extra Large • No feature gates - everything is free Pricing One tank with full functionality is completely free. No paywalls. No locked features. Want more tanks on your Home Screen? • Tank Pack (+3 tanks): ¥1.99 • Tank Expansion (+6 tanks): $2.99 Line up multiple tanks and turn your Home Screen into an aquarium. Perfect for you if... • You want a Home Screen that feels more alive • You love customizing widgets with personality • You want a tank app with creative freedom • You are interested in weather-reactive widgets • You want your friends to ask "what is that?" • You like things that are calming and a little funny WidgetTank is made by an independent developer. Feedback and bug reports are welcome via App Store reviews.
PuniCore
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Squeeze, collect, and relax. Build your very own collection of adorable squishy characters. SQUISHY PHYSICS Tap the screen and watch your puni squish and bounce. Each character has unique physics — bread is soft and chewy, jelly is wobbly, and dinosaurs are firm. 25 CHARACTERS TO COLLECT Four categories: food, animals, dinosaurs, and mystery. Visit the Puni Store to welcome new friends with coins, or try your luck with gacha draws. DAILY LOGIN BONUS Play every day to earn coins. Keep a 7-day streak for a 100-coin bonus. Use coins at the Puni Store or gacha. YOUR ROOM Place up to 3 favorite characters in your room. Tap to switch between them anytime. SOUND EFFECTS Choose from 3 press sound styles. Adjust volume and haptics to your liking. FEATURES - Completely free - Works offline - No ads (V1.0) - No account required - Kid-friendly Made with care by Harvest Lab, an indie studio in Japan.
Screenshots
Verdict
The clearest difference is in-app purchases: PuniCore at none against Widget Tank's 2. PuniCore also leads on iOS requirement (15.1 vs 26.2). Widget Tank's advantage is update cadence (daily vs every 4 days). On price, ads 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. Widget Tank sells 2 one-off in-app purchases. PuniCore asks for nothing beyond the download.
Widget Tank ships an update daily, PuniCore every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Widget Tank | PuniCore |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 4 days |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 15.1 — better |
| Further details — not scored | ||
| Size | 29 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | Juki Tanimoto | HARVEST LAB |
In-app purchases
Widget Tank
- Aquarium Slots +3$1.99
- Aquarium Slots +6$2.99
PuniCore
No in-app purchases









