Comparison

Prolog Retro Notes vs Widget Tank

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Prolog Retro Notes

This app offers a unique note-taking experience with a retro 8-bit aesthetic. It allows users to record memos, track editing time, and even attach photos, all within a nostalgic, game-like interface. Level up your notes and enjoy a blast from the past.

Highlights
  • Retro 8-bit graphics
  • Memo recording
  • Playtime tracking
  • Level-based text progress
  • Photo attachment
  • Passcode lock (premium)
Features
Read full description

_______________________________ Do you like retro graphics? ▼ Yes No _______________________________ For those who answered yes! Annotepad app that incorporates the nostalgic feeling of those days and reproduces the world has been born!! It's an app to remember the excitement of that day when your heart swelled with adventure into an unknown world. Today as well, let's choose a save data and head to the forest of sentences... In this memo app, you can record: - Memos - Playtime (editing time) - Level (varies depending on the amount of text) - Photos Let's level up and create great save data!! We paid special attention to the world view. We hope it can be of some use in your memo life. [Premium Service] ■ Unlocked Features - Hide in-app ads - Record photos - Unlock the record limit - Passcode lock function ■ Duration It will automatically renew every month starting from the application date. It will be charged to your iTunes account. ■ About Automatic Renewal You can stop automatic renewal if it is more than 24 hours before the end of the registration period. Automatic renewal procedures will be conducted from 24 hours before the end of the registration period. ■ Confirmation and Cancellation App Store App -> User icon at the upper right of the ToDay tab -> Subscription You can unsubscribe and set automatic renewal and check the update date here. ■ Notes - Automatic renewal of the premium plan cannot be canceled from within the app. - You will be charged to your iTunes account. - Cancellation for the current month is not accepted. ■ Terms of Use and Privacy Policy We will not provide information that can identify individuals to third parties. We manage personal information with great care and handle it as follows. - Support Correspondence No information that can identify individuals will be sent in support emails. - Details Link https://note.com/kojiro79/n/n7c8899db1c9b ■ Disclaimer We will do our best to support any problems or inconveniences in use, but the developer will not be held responsible for any damages caused by the user through this app. ----- Thank you for reading to the end! All reviews are read by the developer himself, and I always get energy from them. I also think about functions based on what you write in your review, so I would be happy if you could write a review when you have time! We will continue to update the app to make it comfortable for everyone, so please support us!

About

Widget Tank

Features
Read full description

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.

Screenshots

Prolog Retro Notes1 screens
Widget Tank4 screens

Verdict

The call

The clearest difference is ads: Widget Tank at none against Prolog Retro Notes's shown. Widget Tank also leads on update cadence (every 2 days vs every 9 months). Prolog Retro Notes's advantage is iOS requirement (14.0 vs 26.2). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Prolog Retro Notes sells 1 in-app purchase, starting at $0.99 per month and Widget Tank sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Prolog Retro Notes ships an update every 9 months, Widget Tank every 2 days. The most recent releases landed on June 2, 2026 and September 10, 2026 respectively.

Scorecard3 real differences · 7 level
Prolog Retro Notes versus Widget Tank: the parameters behind the verdict, then further details
ParameterProlog Retro NotesWidget Tank
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 9 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS14.0 — better26.2
Further details — not scored
Size38 MB23 MB
Age rating4+4+
Developeryasuhiro kojimaJuki Tanimoto

In-app purchases

1 purchases

Prolog Retro Notes

Subscriptions1
  • Premium plan$0.991 Month
2 purchases

Widget Tank

One-time2
  • Aquarium Slots +3$1.99
  • Aquarium Slots +6$2.99

Questions

Is Prolog Retro Notes free?
Prolog Retro Notes is free to download, with in-app purchases available.
Is Widget Tank free?
Widget Tank is free to download, with in-app purchases available.
Do Prolog Retro Notes or Widget Tank have ads?
Prolog Retro Notes shows ads; Widget Tank does not.
Which is updated more often, Prolog Retro Notes or Widget Tank?
Prolog Retro Notes ships an update every 9 months, and Widget Tank every 2 days. Most recently, Prolog Retro Notes was updated on June 2, 2026 and Widget Tank on September 10, 2026.

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