# Periodic Timer + Custom Sounds vs Infinity Tempo

The clearest difference is price: Infinity Tempo at Free against Periodic Timer + Custom Sounds's $4.99. Infinity Tempo also leads on in-app purchases (none vs 3) and update cadence (monthly vs every 2 months). Periodic Timer + Custom Sounds's advantage is chart position (#154 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Infinity Tempo is free to download; Periodic Timer + Custom Sounds costs $4.99 up front. Periodic Timer + Custom Sounds sells 3 one-off in-app purchases. Infinity Tempo asks for nothing beyond the download.

Periodic Timer + Custom Sounds ships an update every 2 months, Infinity Tempo monthly. The most recent releases landed on November 2, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Periodic Timer + Custom Sounds | Infinity Tempo |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.9 (75 ratings)](https://appshunter.io/ios/app/periodic-timer-plus-custom-sounds/id1175807581/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Best chart rank | **#154** | — |
| Size | 17 MB | 20 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Vladimir Kelin](https://appshunter.io/developer/933241655) | [Sonic Studio s.r.o.](https://appshunter.io/developer/559044317) |

## What reviewers say

### Periodic Timer + Custom Sounds

[App page](https://appshunter.io/ios/app/periodic-timer-plus-custom-sounds/id1175807581)

**Currently charting:** #154 Top Paid · Health & Fitness (US App Store)

This app provides a simple, repeating interval timer that works in the background. It offers customizable sounds, vibration, and flexible output modes for various activities like fitness, cooking, and learning. The interface is designed to be minimalist and distraction-free.

**Highlights:** Repeating interval timer, Customizable sounds and vibration, Works in the background, Long intervals up to 99 hours, Multiple timer output modes, Shake to start functionality

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip a Banana | $0.99 | one-time |
| Tip a Coffee | $3.99 | one-time |
| Donate: Bust the project! | $9.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Perfect for workouts
- 👍 No ads, no nonsense
- 👍 Good app, like it
- 👍 Very practical

**What reviewers complain about**

- 😩 Nagging to write reviews
- 😩 Doesn't work in background
- 😩 Not loud enough
- 😩 Vibration too short
- 😩 Paid version lacks features

**Reported bugs**

- Doesn't work in background
- Timer doesn't work for over 59 minutes on watch
- Custom alert audio not working
- Alarm not working after payment
- App doesn't open

**Requested features**

- More sound options
- Ability to set alarm for a time of day
- Explanation for changing display mode
- Simultaneous timers
- Ability to set start/end times and weekdays


### Infinity Tempo

[App page](https://appshunter.io/ios/app/infinity-tempo/id6793277891)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Timer + Custom Sounds free?

Periodic Timer + Custom Sounds costs $4.99, and also offers in-app purchases.

### Is Infinity Tempo free?

Infinity Tempo is free to download, with no in-app purchases.

### Do Periodic Timer + Custom Sounds or Infinity Tempo have ads?

Neither Periodic Timer + Custom Sounds nor Infinity Tempo shows ads.

### Which is updated more often, Periodic Timer + Custom Sounds or Infinity Tempo?

Periodic Timer + Custom Sounds ships an update every 2 months, and Infinity Tempo monthly. Most recently, Periodic Timer + Custom Sounds was updated on November 2, 2026 and Infinity Tempo on October 12, 2026.

---

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