Countdown Timer Nano vs Scream O'Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Countdown Timer Nano
A minimalist countdown timer with both numerical and graphical time displays. This version offers extended time limits, additional visual styles, and features like autorestart for interval training.
- Numerical and graphical time display
- Up to 999 minutes time limit
- Two extra display styles (FAT, B&W)
- Circle animation of total time
- Count down and count up functions
- Autorestart for interval training
- Optional sounds
Read full descriptionHide full description
Countdown Nano Timer is a beautifully minimal countdown timer: one thin progress ring, one big number, nothing else on the screen. Set the time with a tap or a drag on the circle, start, and stay focused. Perfect for presentations, workouts, cooking, classrooms and meetings. FREE FEATURES: • Clean, distraction-free black screen with a progress ring and large, ultra-thin digits • Set the time by tapping the top or bottom half of the ring, or drag to scrub • Timers up to 60 minutes • Sound when the time is up, with an optional per-second tick • Adjustable timer size • Keeps counting in the background • Translated into 10 languages UPGRADE TO PRO TO UNLOCK: • Timers up to 24 hours • Fat and Monochrome display styles • Full timer display formats (MM:SS and HH:MM) • Custom progress colors (green → yellow → red) • Sound and screen-flash alerts at the points you choose • Auto restart for interval training • Overtime tracking to see how far you ran over • Remote control from another device on the same Wi-Fi • No upgrade popups PRO is available as a one-time Lifetime purchase or a Yearly subscription. Already bought Nano Timer PLUS? Thank you! Every PRO feature stays unlocked for you at no extra cost. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.countdownkings.com/privacy-policy-mobile-apps/
Scream O'Clock
This app simplifies managing scare rotations for haunted attractions. It tracks character groups and provides live countdowns with vibration alerts for seamless transitions between on-set and break times. Designed by scare actors for scare actors, it ensures smooth operations and continuous scares.
- Group tracking (A, B, C)
- Live countdown timers
- Vibration alerts for rotations
- Synchronized rotation view
- Dark mode design
- Built for scare actors
Read full descriptionHide full description
Scream O'Clock takes the chaos out of scare rotations. The app tracks each character’s groups so everyone knows when to be on set and when to take a break. No more guessing, no more squinting at a spreadsheet, and no more mental math at 12 a.m.—just clear countdowns and pocket buzz alerts when it’s time to switch. Features: Live Countdown – See exactly how much time is left before the next rotation. Pocket Buzz Alerts – Get a vibration alarm when it’s time to swap. Always in Sync – Everyone sees the same current rotation, no confusion. Dark Design – Fits the vibe of your haunt while staying functional. Built by scare actors, for scare actors, Scream O'Clock is your backstage tool to keep rotations smooth and the scares nonstop. App and Graphic Design By Hannah Wagner
Screenshots
Verdict
The clearest difference is rating: Scream O'Clock at 5.0 against Countdown Timer Nano's 3.8. Scream O'Clock also leads on in-app purchases (none vs 2) and update cadence (every 3 weeks vs every 6 weeks). Countdown Timer Nano's advantage is device support (3 vs 1). On price, ratings volume, ads and iOS requirement 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. Countdown Timer Nano sells 2 in-app purchases, starting at $2.99 per year. Scream O'Clock asks for nothing beyond the download.
Scream O'Clock holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 5 and 6 respectively.
Countdown Timer Nano ships an update every 6 weeks, Scream O'Clock every 3 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.
| Parameter | Countdown Timer Nano | Scream O'Clock |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (5 ratings) | 5.0 (6 ratings) — better |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 5 | 6 — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 26 MB | 74 MB |
| Age rating | 4+ | 9+ |
| Developer | Igor Donkov | Tyler Zacharias |
Customer experience
Countdown Timer Nano
Scream O'Clock
In-app purchases
Countdown Timer Nano
- Yearly$2.991 Year
- Lifetime$7.99
Scream O'Clock
No in-app purchases
Questions
Is Countdown Timer Nano free?
Is Scream O'Clock free?
Which has better reviews, Countdown Timer Nano or Scream O'Clock?
Do Countdown Timer Nano or Scream O'Clock have ads?
Which is updated more often, Countdown Timer Nano or Scream O'Clock?
Other comparisons
