# ChainFlow vs Old

The clearest difference is rating: ChainFlow at 5.0 against Old's 4.0. Old's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ChainFlow sells 1 one-off in-app purchase. Old asks for nothing beyond the download.

ChainFlow holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | ChainFlow | Old |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chainflow-interval-timer/id6755700190/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/old-timer-interval-timer/id6795718919/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Freemium | **Free** |
| Size | 22 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michael Ebako-Hodgson](https://appshunter.io/developer/1855675493) | [Paul Boal](https://appshunter.io/developer/6795718921) |

## What reviewers say

### ChainFlow

[App page](https://appshunter.io/ios/app/chainflow-interval-timer/id6755700190)

Create highly customized interval timers for any routine, from HIIT workouts to study sessions. Set unique work and rest periods for each segment, with clear audio cues and a distraction-free interface. Save your routines for easy access and hands-free operation.

**Highlights:** Custom interval chaining, Adjustable work/rest times per interval, Clear audio cues, Hands-free operation, Screen-off functionality, Routine saving, Dark interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChainFlow Pro | $4.99 | one-time |


### Old

[App page](https://appshunter.io/ios/app/old-timer-interval-timer/id6795718919)

This app provides a straightforward interval timer for run/walk training. Configure work, rest, warm-up, and cool-down durations, along with repetition counts. It offers voice announcements or tone alerts for phase changes, making it easy to follow your workout without constant screen checking.

**Highlights:** Configurable work, rest, warm-up, and cool-down phases, Adjustable repetition count, Voice announcements or tone alerts, Optional end-of-interval countdown, Vibration alerts, Pause, resume, restart, and skip controls

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

**In-app purchases:** none


## Frequently asked questions

### Is ChainFlow free?

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

### Is Old free?

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

### Which has better reviews, ChainFlow or Old?

ChainFlow is rated higher. ChainFlow averages 5.0 out of 5 from 1 ratings, while Old averages 4.0 from 1 ratings.

### Do ChainFlow or Old have ads?

Neither ChainFlow nor Old shows 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.*