Days vs hi, world
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Days
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Widget app for anniversary or future events
hi, world
This app is a personal space to collect and organize media that resonates with your current mood. It allows users to save music, images, clips, and moments without the pressure of social performance or popularity. Content is presented as cards, arranged intuitively to reflect individual thought processes.
- Personalized media collection
- Intuitive card-based organization
- Save music, images, clips, and moments
- No performance pressure
- Vibe-based curation
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It's a place where your current vibe lives. You collect things that feel right. Not because they’re popular. Because they match you. Some people save music. Some save images, clips, moments. There’s no feed to perform for. No pressure to explain yourself. Just cards. Arranged the way your brain already works.
Screenshots
Verdict
Days and hi, world are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Days | hi, world |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.6 (14 ratings) — better |
| Positive reviews | — | 26.3% of reviews |
| Number of ratings | — | 14 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 347 MB |
| Age rating | 4+ | 17+ |
| Developer | Pei-Tzu Huang | Nekonomikon K.K. |
In-app purchases
Days
No in-app purchases
hi, world
No in-app purchases









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