# Simple Timer & Alarm ListTimer vs ConvertIt

The clearest difference is iOS requirement: ConvertIt at 13.0 against Simple Timer & Alarm ListTimer's 15.6. On price, ads, 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 ConvertIt sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Simple Timer & Alarm ListTimer | ConvertIt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (302 ratings)](https://appshunter.io/ios/app/simple-timer-and-alarm-listtimer/id890352174/reviews)** | — |
| Number of ratings | **302** | — |
| Positive reviews | 89.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 37 MB | 24 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lemon LLC](https://appshunter.io/developer/1571526603) | [Venkatatakrishnan Ganesh](https://appshunter.io/developer/1891794574) |

## 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


### ConvertIt

[App page](https://appshunter.io/ios/app/convertit-unit-converter/id6783588194)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $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 ConvertIt free?

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

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

Both Simple Timer & Alarm ListTimer and ConvertIt show ads.

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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.*