# Interval Timer Alarm vs Simple Timer & Alarm ListTimer

The clearest difference is rating: Simple Timer & Alarm ListTimer at 4.6 against Interval Timer Alarm's 3.9. Simple Timer & Alarm ListTimer also leads on review sentiment (89% vs 49%) and update cadence (every 5 days vs every 11 months). Interval Timer Alarm's advantage is monetization model (ad-supported vs free with in-app purchases). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Interval Timer Alarm sells 1 one-off in-app purchase and Simple Timer & Alarm ListTimer sells 4 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Simple Timer & Alarm ListTimer holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Simple Timer & Alarm ListTimer has 302 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 49% of Interval Timer Alarm's written reviews are positive against 89% of Simple Timer & Alarm ListTimer's.

Interval Timer Alarm ships an update every 11 months, Simple Timer & Alarm ListTimer every 5 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Interval Timer Alarm | Simple Timer & Alarm ListTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (18 ratings)](https://appshunter.io/ios/app/interval-timer-alarm/id591668763/reviews) | **[4.6 (302 ratings)](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174/reviews)** |
| Number of ratings | 18 | **302** |
| Positive reviews | 48.6% of reviews | **89.1% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 months | **Every 5 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 12 MB | 37 MB |
| Requires iOS | **15** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | +4 | 4+ |
| Developer | [SHIGETO TAKAGI](https://appshunter.io/developer/519611619) | [Lemon LLC](https://appshunter.io/developer/1571526603) |

## What reviewers say

### Interval Timer Alarm

[App page](https://appshunter.io/ios/app/interval-timer-alarm/id591668763)

This free productivity app provides customizable interval timers with repeating alarms and vibrations. It's designed for various uses like study sessions, interval training, and time management, ensuring continuous operation even on lock screens.

**Highlights:** Customizable interval timers, Repeating alarms and vibrations, Notes for each interval, Two sound types, Optional seconds count sound, Background operation

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 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


## Frequently asked questions

### Is Interval Timer Alarm free?

Interval Timer Alarm is free to download, with in-app purchases available.

### Is Simple Timer & Alarm ListTimer free?

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

### Which has better reviews, Interval Timer Alarm or Simple Timer & Alarm ListTimer?

Simple Timer & Alarm ListTimer is rated higher. Interval Timer Alarm averages 3.9 out of 5 from 18 ratings, while Simple Timer & Alarm ListTimer averages 4.6 from 302 ratings.

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

Both Interval Timer Alarm and Simple Timer & Alarm ListTimer show ads.

### Which is updated more often, Interval Timer Alarm or Simple Timer & Alarm ListTimer?

Interval Timer Alarm ships an update every 11 months, and Simple Timer & Alarm ListTimer every 5 days. Most recently, Interval Timer Alarm was updated on September 21, 2026 and Simple Timer & Alarm ListTimer on September 23, 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.*