# Flexer vs RoundBlitz

The clearest difference is price: Flexer at Free against RoundBlitz's $5.99. Flexer also leads on update cadence (every 2 days vs weekly). RoundBlitz's advantage is chart position (#196 vs unranked) and device support (3 vs 1). On review sentiment, ads, in-app purchases and iOS requirement there is nothing between them.

Flexer is free to download; RoundBlitz costs $5.99 up front. Flexer sells 11 in-app purchases, starting at $4.99 per 7 days and RoundBlitz sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flexer ships an update every 2 days, RoundBlitz weekly. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Flexer | RoundBlitz |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | **[4.7 (28 ratings)](https://appshunter.io/ios/app/flexer-gym-workout-tracker/id6702026405/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 94.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#196** |
| Size | 123 MB | 3 MB |
| Requires iOS | 17.5 | **17.0** |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Trembath Apps LLC](https://appshunter.io/developer/1769634160) | [ClickWebstudio Technologies Inc.](https://appshunter.io/developer/1837851468) |

## What reviewers say

### Flexer

[App page](https://appshunter.io/ios/app/flexer-gym-workout-tracker/id6702026405)

This app makes tracking gym workouts engaging and simple. Log sets, reps, and weights effortlessly, access a large exercise library, and visualize your progress with charts. Gamified elements like trophies and streaks keep you motivated to achieve your fitness goals.

**Highlights:** Vast exercise library with instructions, Effortless workout logging, Progress visualization with charts, Gamified fitness experience, Trophy and streak system, Personal record tracking

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flexer | $4.99 | per 7 days |
| Flexer | $4.99 | per 7 days |
| Flexer Monthly | $9.99 | per month |
| Flexer Pro Monthly | $11.99 | per month |
| Flexer | $14.99 | per month |
| Flexer monthly | $19.99 | per month |
| Flexer Yearly | $59.99 | per year |
| Flexer Pro Yearly | $69.99 | per year |
| Flexer | $89.99 | per year |
| Flexer | $95.99 | per year |
| Flexer Yearly | $95.99 | per year |


### RoundBlitz

[App page](https://appshunter.io/ios/app/roundblitz-boxing-timer/id6759731041)

**Currently charting:** #196 Top Paid · Health & Fitness (US App Store)

This interval timer is designed for combat sports training, offering customizable rounds, rest periods, and alerts. It features hands-free gesture control and a large, easy-to-read display for gym use. The app works offline and prioritizes user privacy with no trackers or analytics.

**Highlights:** Hands-free gesture control, Customizable round and rest times, Multiple sound alerts, Large, readable display, Apple Watch companion app, Workout summaries, Offline functionality

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is Flexer free?

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

### Is RoundBlitz free?

RoundBlitz costs $5.99, and also offers in-app purchases.

### Do Flexer or RoundBlitz have ads?

Neither Flexer nor RoundBlitz shows ads.

### Which is updated more often, Flexer or RoundBlitz?

Flexer ships an update every 2 days, and RoundBlitz weekly. Most recently, Flexer was updated on October 8, 2026 and RoundBlitz on October 9, 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.*