# OCTOFLEX HC vs Workout & Rest Interval Timer

The clearest difference is ads: OCTOFLEX HC at none against Workout & Rest Interval Timer's shown. Workout & Rest Interval Timer's advantage is update cadence (every 5 weeks vs every 3 months) and iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OCTOFLEX HC ships an update every 3 months, Workout & Rest Interval Timer every 5 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | OCTOFLEX HC | Workout & Rest Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 74 MB | 33 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ManageOn Co., Ltd](https://appshunter.io/developer/1279159670) | [Seulki Eom](https://appshunter.io/developer/1718927408) |

## What reviewers say

### OCTOFLEX HC

[App page](https://appshunter.io/ios/app/octoflex-hc/id1612175656)

**Features:** macOS Compatibility

**In-app purchases:** none


### Workout & Rest Interval Timer

[App page](https://appshunter.io/ios/app/workout-and-rest-interval-timer/id6737192266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OCTOFLEX HC free?

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

### Is Workout & Rest Interval Timer free?

Workout & Rest Interval Timer is free to download, with no in-app purchases.

### Do OCTOFLEX HC or Workout & Rest Interval Timer have ads?

Workout & Rest Interval Timer shows ads; OCTOFLEX HC does not.

### Which is updated more often, OCTOFLEX HC or Workout & Rest Interval Timer?

OCTOFLEX HC ships an update every 3 months, and Workout & Rest Interval Timer every 5 weeks. Most recently, OCTOFLEX HC was updated on September 10, 2026 and Workout & Rest Interval Timer on September 10, 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.*