# TimerFlex vs Rivu

The clearest difference is ads: Rivu at none against TimerFlex's shown. Rivu also leads on iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TimerFlex sells 7 in-app purchases, starting at $1.49 per 7 days and Rivu sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | TimerFlex | Rivu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/timerflex-wod-interval-timer/id6738749653/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 134 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Plainworks Teknoloji Limited Sirketi](https://appshunter.io/developer/1782187835) | [Abdullah Cicekli](https://appshunter.io/developer/1823785545) |

## What reviewers say

### TimerFlex

[App page](https://appshunter.io/ios/app/timerflex-wod-interval-timer/id6738749653)

This app uses AI to instantly create custom workout timers from whiteboard photos or text descriptions. It offers various pre-built formats, real-time heart rate tracking, and detailed workout history. Advanced features like Apple Watch sync and unlimited AI generation are available with a subscription.

**Highlights:** AI workout generation from photos/text, Apple Watch sync with haptic cues, Real-time heart rate and calorie tracking, 5 purpose-built workout formats (For Time, AMRAP, EMOM, Tabata, Custom), 1RM calculator, Voice coach and audio cues, Workout history and monthly stats

**Features:** Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $1.49 | per 7 days |
| TimerFlex Monthly | $3.49 | per month |
| 3 Months subscription | $8.49 | per 3 months |
| TimerFlex Annual Offer | $12.99 | per year |
| TimerFlex Annual | $24.99 | per year |
| Ad-Free | $0.99 | one-time |
| TimerFlex Lifetime | $34.99 | one-time |


### Rivu

[App page](https://appshunter.io/ios/app/rivu-water-tracker/id6815385877)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rivu Premium Monthly | $3.99 | per month |
| Rivu Premium Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is TimerFlex free?

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

### Is Rivu free?

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

### Do TimerFlex or Rivu have ads?

TimerFlex shows ads; Rivu does not.

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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.*