# Interval Flow vs Eclipse REST

The clearest difference is price: Interval Flow at Free against Eclipse REST's $0.99. Eclipse REST's advantage is in-app purchases (none vs 1). On update cadence, ads, device support and iOS requirement there is nothing between them.

Interval Flow is free to download; Eclipse REST costs $0.99 up front. Interval Flow sells 1 one-off in-app purchase. Eclipse REST asks for nothing beyond the download.

Interval Flow ships an update every 2 weeks, Eclipse REST weekly. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Interval Flow | Eclipse REST |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 8 MB | 5 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tegyaan](https://appshunter.io/developer/1711584632) | [Dorogono](https://appshunter.io/developer/1735240868) |

## What reviewers say

### Interval Flow

[App page](https://appshunter.io/ios/app/interval-flow/id6469113776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiple Programs | $3.99 | one-time |


### Eclipse REST

[App page](https://appshunter.io/ios/app/eclipse-rest-rest-timer/id6479223946)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Interval Flow free?

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

### Is Eclipse REST free?

Eclipse REST costs $0.99, with no in-app purchases.

### Do Interval Flow or Eclipse REST have ads?

Neither Interval Flow nor Eclipse REST shows ads.

### Which is updated more often, Interval Flow or Eclipse REST?

Interval Flow ships an update every 2 weeks, and Eclipse REST weekly. Most recently, Interval Flow was updated on October 10, 2026 and Eclipse REST on October 9, 2026.

---

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