# ClevverNumber vs Countdown Visual Timer

The clearest difference is update cadence: Countdown Visual Timer at every 3 weeks against ClevverNumber's every 2 months. ClevverNumber's advantage is iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ClevverNumber sells 3 one-off in-app purchases and Countdown Visual Timer sells 3 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ClevverNumber ships an update every 2 months, Countdown Visual Timer every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ClevverNumber | Countdown Visual Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (36 ratings)](https://appshunter.io/ios/app/countdown-visual-timer-kids/id6474494320/reviews)** |
| Number of ratings | — | **36** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Freemium |
| Size | 22 MB | 52 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Clevver Gmbh](https://appshunter.io/developer/1096570673) | [Nuclear Cyborg Corp](https://appshunter.io/developer/910010732) |

## What reviewers say

### ClevverNumber

[App page](https://appshunter.io/ios/app/clevvernumber/id1378805746)

**Features:** Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTunes Deposit Payment 1 | $0.99 | one-time |
| iTunes Deposit Payment 2 | $89.99 | one-time |
| iTunes Deposit Payment 3 | $174.99 | one-time |


### Countdown Visual Timer

[App page](https://appshunter.io/ios/app/countdown-visual-timer-kids/id6474494320)

This app provides a calming, visual countdown timer designed to reduce anxiety for individuals with special needs, autism, or ADHD. It offers customizable sounds and an easy-to-understand interface, making time management accessible for children and those with cognitive delays.

**Highlights:** Visual countdown interface, Reduces anxiety and stress, Customizable alert sounds, Lockout options for buttons and settings, Screen stays on during countdown, Simple and intuitive design

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autism Timer Premium (Weekly) | $0.99 | per 7 days |
| Autism Timer Premium (Monthly) | $2.99 | per month |
| Autism Timer Premium (Annual) | $9.99 | per year |


## Frequently asked questions

### Is ClevverNumber free?

ClevverNumber is free to download, with in-app purchases available.

### Is Countdown Visual Timer free?

Countdown Visual Timer is free to download, with in-app purchases available.

### Do ClevverNumber or Countdown Visual Timer have ads?

Neither ClevverNumber nor Countdown Visual Timer shows ads.

### Which is updated more often, ClevverNumber or Countdown Visual Timer?

ClevverNumber ships an update every 2 months, and Countdown Visual Timer every 3 weeks. Most recently, ClevverNumber was updated on November 2, 2026 and Countdown Visual Timer on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*