Blue Days vs Arc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blue Days
Get highly accurate, hyperlocal weather forecasts with a clean interface. View current conditions, detailed 7-day forecasts with temperature gradients, and hour-by-hour precipitation.
- Hyperlocal weather accuracy
- Current conditions and descriptions
- 7-day forecast with temperature gradients
- Hour-by-hour precipitation slider
- Customizable icon and color themes
Read full descriptionHide full description
Blue Days gives you highly accurate, hyperlocal weather in a simple, well-designed interface. It uses dozens of high-accuracy weather sources to provide precise weather information at your location or wherever you search. Get current conditions and a 7-day forecast, complete with custom backgrounds. The 7-day forecast includes a color gradient indicating the range of temperatures. Features: • Current Weather Conditions and Descriptions. • Detailed Forecast View, Showing: Temperature, Precipitation, Wind, Sunset, and Sunrise. • Precipitation Slider Bar showing Hour-by-Hour Precipitation for a Selected Day of the Week. • Precipitation Chance along a Horizontal Bar for the Selected Day. • Icons and Colors Themes that change for every Weather Condition. I’d love to hear your feedback! Please take a moment to leave a review.
Arc
Read full descriptionHide full description
See the weather unfold. Arc gives the forecast a shape you can follow. Clouds, temperature and wind move together across one fluid timeline, making the changing day clear at a glance. An atmospheric view brings current conditions to life, with a concise summary of the weather. Explore the days ahead or uncover the details of any hour, right from the chart. Pro adds unlimited locations, more frequent updates and weather alerts, plus Home Screen widgets and an Apple Watch experience built around the same visual forecast. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Blue Days and Arc are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Blue Days sells 1 in-app purchase, starting at $1.99 per year and Arc sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.
| Parameter | Blue Days | Arc |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (239 ratings) — better | — |
| Positive reviews | 44.1% of reviews | — |
| Number of ratings | 239 — better | — |
| Update frequency | Fortnightly | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Requires iOS | 17.2 | 17.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | James Bevins | Marios Pentelas |
In-app purchases
Blue Days
- One Year Subscription7 Days trial$1.991 Year
Arc
- Meteogram Monthly3 Days trial$3.991 Month
- Yearly Pro7 Days trial$24.991 Year
- Meteogram Yearly7 Days trial$29.991 Year
