Rust Tutorial vs Dayception
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rust Tutorial
Learn Rust programming from the ground up with this app. It offers detailed tutorials covering fundamental concepts and advanced techniques for beginners and developers looking to master the language.
- Detailed tutorials
- Foundational knowledge
- Advanced programming techniques
- Systematic learning
- Learn from scratch
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Rust Fundamentals Tutorial "is an application designed specifically for beginners and developers who want to deepen their understanding of the Rust programming language. Through this app, you can easily learn Rust from scratch, mastering its core concepts and advanced features. Application features: Detailed tutorials: including comprehensive foundational knowledge and advanced programming techniques, ensuring that you learn Rust systematically.
Dayception
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Some things are worth counting down to. Dayception turns the dates that matter — birthdays, trips, launches, anniversaries, the big day — into beautiful countdowns you'll actually want to look at. Counted in sleeps, with a live timer ticking to the second as the day nears, on your iPhone, iPad and Mac. Most countdown apps stop at "days until." Dayception keeps going. THE INSIGHTS ENGINE Under every countdown is a real analytics engine that reads the shape of your year. See where your months cluster on a year heat-map. Get smart cards that surface what's coming — the next milestone, your busiest month, your longest countdown. Break the year down by category. And flip a date you've passed into a count-up, to mark the time since it mattered. ON EVERY SCREEN - Widgets for the Lock Screen and Home Screen — and they show in StandBy - A live countdown in the Dynamic Island and on your Lock Screen - A countdown that lives in your Mac menu bar, always a glance away - Siri and Shortcuts: "how many sleeps until my holiday?" - Reminders that build as the day nears: a month out, a week out, the night before, the morning of THE DETAILS - Recurring birthdays and anniversaries roll over on their own - Working-days-until, aware of UK and US holidays - Sort by soonest, pin what matters to the top, archive what's done - Turn any countdown into a beautiful card for Stories or Messages in a single tap PRIVATE BY DESIGN Dayception is offline-first. Your countdowns live on your devices and sync only through your own private iCloud — no account to create, nothing stored on our servers, and no analytics, ads or trackers. Ever. PAY ONCE Five countdowns are free, for as long as you like. Unlock unlimited countdowns and the full insights engine for a single price — no subscription. During the launch window it's £14.99 as a Founder, which also gets you an exclusive Founder app icon and a Founder badge in the app. Made for people who like to anticipate.
Screenshots
Verdict
The clearest difference is in-app purchases: Rust Tutorial at none against Dayception's 1. Rust Tutorial also leads on update cadence (every 2 days vs every 2 weeks) and iOS requirement (12.0 vs 26.0). Dayception's advantage is ads (none vs shown). On price 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. Dayception sells 1 one-off in-app purchase. Rust Tutorial asks for nothing beyond the download.
Rust Tutorial ships an update every 2 days, Dayception every 2 weeks. The most recent releases landed on October 12, 2026 and September 30, 2026 respectively.
| Parameter | Rust Tutorial | Dayception |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 32 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Changsha Juanli Technology Co., Ltd | NetSmiths Ltd |
In-app purchases
Rust Tutorial
No in-app purchases
Dayception
- Dayception Founder$14.99









