# Simple Timer & Alarm ListTimer vs StackTimer

The clearest difference is ads: StackTimer at none against Simple Timer & Alarm ListTimer's shown. Simple Timer & Alarm ListTimer's advantage is iOS requirement (15.6 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Simple Timer & Alarm ListTimer sells 4 in-app purchases, starting at $0.49 per 7 days and StackTimer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simple Timer & Alarm ListTimer | StackTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (303 ratings)](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174/reviews)** | — |
| Number of ratings | **303** | — |
| Positive reviews | 89.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lemon LLC](https://appshunter.io/developer/1571526603) | [SANWA Inc.](https://appshunter.io/developer/1878028373) |

## What reviewers say

### Simple Timer & Alarm ListTimer

[App page](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174)

This app offers a simple, one-tap timer for various activities like focus, study, and workouts. It displays finish times, works in the background with notifications, and supports vibration for silent mode. An upgrade option removes ads and adds lock screen countdowns and custom sounds.

**Highlights:** One-tap start, Finish times displayed, Background notifications, Vibration for silent mode, Easy repeat function, Battery friendly operation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListTime One Weeek | $0.49 | per 7 days |
| ListTimer Plus | $2.49 | per month |
| ListTimer Plus | $14.99 | per year |
| ListTimer Plus | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive user interface
- ⏱️ Seconds display feature (unlike Apple's native timer)
- 🔇 True silent/vibration-only alert option
- 🎯 Multiple simultaneous timers capability
- ✅ Highly reliable and consistent performance

**What reviewers complain about**

- 🐛 Alarm doesn't always trigger when app is closed
- 📢 Intrusive and frequent advertisements
- 🔊 Ad sounds play despite silent timer setting
- ⚙️ Awkward repeat function toggle in settings
- 📱 Requires app to remain open for vibration alerts

**Reported bugs**

- Alarm fails to trigger when app is closed or locked
- Vibration doesn't work reliably in background
- App fails to download (stuck on iCloud icon)
- Notification bar alert insufficient to wake users
- Inconsistent vibration performance in some scenarios

**Requested features**

- 12-hour time format option for end-time display
- Independent alarm volume control (separate from phone volume)
- Simpler repeat function toggle (zero repeat option in settings)
- Text/description field to note what timer is for
- Interval repetition with alerts


### StackTimer

[App page](https://appshunter.io/ios/app/stacktimer/id6774475083)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| テーマパック | $0.99 | one-time |
| サウンドパック | $0.99 | one-time |
| プロ機能解放 | $1.99 | one-time |


## Frequently asked questions

### Is Simple Timer & Alarm ListTimer free?

Simple Timer & Alarm ListTimer is free to download, with in-app purchases available.

### Is StackTimer free?

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

### Do Simple Timer & Alarm ListTimer or StackTimer have ads?

Simple Timer & Alarm ListTimer shows ads; StackTimer does not.

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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.*