Comparison

Red Days vs Zero Issues

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

Head to head
About

Red Days

Easily track upcoming public holidays with a countdown to your next day off. Access a year's worth of holiday information offline, right from your wrist or phone.

Highlights
  • Public holiday countdowns
  • US, UK, Canada, Iceland holidays
  • Offline access
  • Wearable support
  • Yearly holiday list
Features
Read full description

Ever wonder when the next day-off work will be? Red Days displays a countdown list of public holidays for US, UK, Canada and Iceland. Now you know how many days left until you can relax. No internet needed, a years worth of holidays at your finger tips and on your wrist.

About

Zero Issues

This customizable task organizer helps users manage to-do lists with intuitive sorting and filtering. It allows for deep personalization of lists, tags, and tasks, aiming to be a comprehensive solution for organizing daily activities.

Highlights
  • Intuitive organization
  • Easy sorting and filtering
  • Customizable lists and tags
  • Task management
  • One-stop shop for organizing
Features
Read full description

Designed for Software Developers, usable by anyone. Zero Issues was created to be an issue tracker but has evolved into something way more powerful and way more customizable. Use Zero Issues to make completing tasks tangible and easy with intuitive organization and easy sorting and filtering. Customize every level of the app from Lists and Tags to Tasks. Zero Issues is designed to be the one-stop-shop for organizing your to-do's. Try before you buy! Zero Issues is a paid app, instead of paying without having experienced it and seeing if it's for you, simply pay when you're ready- there's no time limit. Have any feedback or questions? Simply contact me via Gryzle.com. Thank you for your feedback!

Screenshots

Red Days4 screens
Zero Issues4 screens

Verdict

The call

The clearest difference is rating: Red Days at 4.5 against Zero Issues's 4.0. Red Days also leads on in-app purchases (none vs 1). Zero Issues's advantage is iOS requirement (17.0 vs 26.6). On price, review sentiment, ratings volume and ads 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. Zero Issues sells 1 one-off in-app purchase. Red Days asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Red Days holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scorecard4 real differences · 6 level
Red Days versus Zero Issues: the parameters behind the verdict, then further details
ParameterRed DaysZero Issues
PriceFreeFree
Rating4.5 (2 ratings) — better4.0 (1 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterPaid
DevicesiPhone, iPad, Apple Watch, Vision Pro — betteriPhone, iPad, Mac
Requires iOS26.617.0 — better
Further details — not scored
Size29 MB5 MB
Age rating4+4+
Developer(optional.is)Gryzle LLC

Customer experience

Red Days

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Zero Issues

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Red Days

No in-app purchases

1 purchases

Zero Issues

One-time1
  • Zero Issues - Full Experience$2.99

Questions

Is Red Days free?
Red Days is free to download, with no in-app purchases.
Is Zero Issues free?
Zero Issues is free to download, with in-app purchases available.
Which has better reviews, Red Days or Zero Issues?
Red Days is rated higher. Red Days averages 4.5 out of 5 from 2 ratings, while Zero Issues averages 4.0 from 1 ratings.
Do Red Days or Zero Issues have ads?
Neither Red Days nor Zero Issues shows ads.

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