# ZenActivity vs Simple Gong Timer

The clearest difference is review sentiment: ZenActivity at 65% against Simple Gong Timer's 0%. ZenActivity also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.0). Simple Gong Timer's advantage is price (Free vs $3.99). On update cadence, in-app purchases and device support there is nothing between them.

Simple Gong Timer is free to download; ZenActivity costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ZenActivity ships an update every 13 months, Simple Gong Timer every 9 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | ZenActivity | Simple Gong Timer |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.5 (58 ratings)](https://appshunter.io/ios/app/zenactivity/id558152100/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | **65.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 9 months** |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 7 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Gary Saggu](https://appshunter.io/developer/465733546) | [Satoshi Horiguchi](https://appshunter.io/developer/310504293) |

## What reviewers say

### ZenActivity

[App page](https://appshunter.io/ios/app/zenactivity/id558152100)

Create and save custom interval timers for workouts, yoga, and meditation. This app offers extensive customization for exercise and rest periods, allowing you to build up to five unique routines with unlimited steps. Enjoy background operation and music integration for a seamless practice.

**Highlights:** Save up to 5 workout routines, Unlimited customizable steps per routine, Second-level interval customization, Background operation with music support, ZEN-mode for distraction-free timing, Airplay support for Apple TV

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

**In-app purchases:** none


### Simple Gong Timer

[App page](https://appshunter.io/ios/app/simple-gong-timer/id1301295516)

This application allows users to set custom timers for workouts and rest periods, with a specified number of rounds. It features a gong sound that won't interrupt music playback and can utilize vibration for notifications even when the device is on silent.

**Highlights:** Customizable workout and rest timers, Set number of rounds, Gong sound does not interrupt music, Vibration notifications, iPhone silent mode compatible

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

**In-app purchases:** none


## Frequently asked questions

### Is ZenActivity free?

ZenActivity costs $3.99, with no in-app purchases.

### Is Simple Gong Timer free?

Simple Gong Timer is free to download, with no in-app purchases.

### Do ZenActivity or Simple Gong Timer have ads?

Simple Gong Timer shows ads; ZenActivity does not.

### Which is updated more often, ZenActivity or Simple Gong Timer?

ZenActivity ships an update every 13 months, and Simple Gong Timer every 9 months. Most recently, ZenActivity was updated on November 1, 2026 and Simple Gong Timer on November 4, 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.*