# S3 Client vs Kumo Countdown Timer

The clearest difference is price: S3 Client at Free against Kumo Countdown Timer's $2.99. S3 Client also leads on ratings volume (56 vs 4) and device support (3 vs 1). Kumo Countdown Timer's advantage is in-app purchases (none vs 3) and review sentiment (100% vs 79%). On update cadence and ads there is nothing between them.

S3 Client is free to download; Kumo Countdown Timer costs $2.99 up front. S3 Client sells 3 in-app purchases, starting at $2.99 per month. Kumo Countdown Timer asks for nothing beyond the download.

Kumo Countdown Timer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: S3 Client has 56 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 79% of S3 Client's written reviews are positive against 100% of Kumo Countdown Timer's.

S3 Client ships an update every 9 days, Kumo Countdown Timer weekly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | S3 Client | Kumo Countdown Timer |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.8 (56 ratings)](https://appshunter.io/ios/app/s3-client-files-location/id6447647340/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kumo-countdown-timer/id6803194734/reviews)** |
| Number of ratings | **56** | 4 |
| Positive reviews | 79.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 63 MB | 2 MB |
| Requires iOS | **18.2** | 26.1 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Anders Borum ApS](https://appshunter.io/developer/1629010537) | [Tiny Tools Studio LLC](https://appshunter.io/developer/939071173) |

## What reviewers say

### S3 Client

[App page](https://appshunter.io/ios/app/s3-client-files-location/id6447647340)

Access and manage your S3-compatible cloud storage directly from your device's file system. Files are downloaded on demand and synchronized automatically, with support for various S3 services and encryption methods.

**Highlights:** Direct S3 storage access, On-demand file downloading, Automatic synchronization, Support for multiple S3 services, System share sheet uploads, Pre-signed sharing link generation, Shortcuts automation support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| S3 Files Pro Monthly | $2.99 | per month |
| Lifetime S3 Pro | $14.99 | one-time |
| Lifetime S3 Pro | $17.99 | one-time |

**What reviewers like**

- 👍 Intuitive UI/UX
- 🔄 Universal setup across devices
- 🚀 Smooth and fast performance
- 💡 Excellent integration with Files app
- 🛠️ Handles edge cases and retries well

**What reviewers complain about**

- 🤔 Not intuitive for some
- 💰 Limited free features
- 🐛 Clunky to use
- 🐛 App constantly pauses
- 🐛 No obvious way to unpause

**Reported bugs**

- Files renamed randomly
- High CPU usage
- Stopped working in iOS 26
- Can't set permissions
- Fails to load S3 buckets properly

**Requested features**

- Support for WebDAV servers
- Support for Google OAuth for GCS
- Synchronous feature to backup photos automatically
- Configurable AWS endpoint for non-.com endpoints
- Allow import/export of configuration


### Kumo Countdown Timer

[App page](https://appshunter.io/ios/app/kumo-countdown-timer/id6803194734)

This app visually displays the remaining time until your next scheduled event, helping you manage your focus and avoid being late. It syncs with your existing calendar and shows live countdowns on your lock screen and device.

**Highlights:** Live countdown display, Lock screen widget, Dynamic Island integration, Calendar sync (iCloud, Google, Outlook), Automatic updates from calendar changes, No accounts or subscriptions required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S3 Client free?

S3 Client is free to download, with in-app purchases available.

### Is Kumo Countdown Timer free?

Kumo Countdown Timer costs $2.99, with no in-app purchases.

### Which has better reviews, S3 Client or Kumo Countdown Timer?

Kumo Countdown Timer is rated higher. S3 Client averages 4.8 out of 5 from 56 ratings, while Kumo Countdown Timer averages 5.0 from 4 ratings.

### Do S3 Client or Kumo Countdown Timer have ads?

Neither S3 Client nor Kumo Countdown Timer shows ads.

### Which is updated more often, S3 Client or Kumo Countdown Timer?

S3 Client ships an update every 9 days, and Kumo Countdown Timer weekly. Most recently, S3 Client was updated on October 10, 2026 and Kumo Countdown Timer on October 4, 2026.

---

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