# Flash Interval Timer Workout vs Aura AI

The clearest difference is in-app purchases: Flash Interval Timer Workout at none against Aura AI's 2. Flash Interval Timer Workout also leads on update cadence (every 9 days vs every 5 weeks). Aura AI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Aura AI sells 2 in-app purchases, starting at $8.99 per month. Flash Interval Timer Workout asks for nothing beyond the download.

Flash Interval Timer Workout ships an update every 9 days, Aura AI every 5 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Flash Interval Timer Workout | Aura AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (7 ratings)](https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | Ad-supported | — |
| Size | 43 MB | 31 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Colin Differ](https://appshunter.io/developer/1823248120) | [ALFREDO NARVAEZ VAZQUEZ](https://appshunter.io/developer/1875560583) |

## What reviewers say

### Flash Interval Timer Workout

[App page](https://appshunter.io/ios/app/flash-interval-timer-workout/id6761573911)

This app provides a customizable interval timer for various high-intensity interval training (HIIT) and circuit workouts. Easily build, save, and access your training sessions with clear visual cues and audio prompts to keep you focused.

**Highlights:** Customizable work and rest phases, Save and favorite workouts, Large, clear countdown display, Audio and voice cues, Workout history tracking, Multiple appearance themes

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

**In-app purchases:** none


### Aura AI

[App page](https://appshunter.io/ios/app/aura-ai-energy-reading/id6791635055)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aura AI Pro Monthly | $8.99 | per month |
| Aura AI Pro Annual | $44.99 | per year |


## Frequently asked questions

### Is Flash Interval Timer Workout free?

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

### Is Aura AI free?

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

### Do Flash Interval Timer Workout or Aura AI have ads?

Flash Interval Timer Workout shows ads; Aura AI does not.

### Which is updated more often, Flash Interval Timer Workout or Aura AI?

Flash Interval Timer Workout ships an update every 9 days, and Aura AI every 5 weeks. Most recently, Flash Interval Timer Workout was updated on October 7, 2026 and Aura AI on October 6, 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.*