# Flexer vs Rondo

The clearest difference is in-app purchases: Rondo at none against Flexer's 11. Flexer's advantage is update cadence (every 2 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Flexer sells 11 in-app purchases, starting at $4.99 per 7 days. Rondo asks for nothing beyond the download.

Flexer ships an update every 2 days, Rondo every 2 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Flexer | Rondo |
| --- | --- | --- |
| Price | Free | Free |
| 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 | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 123 MB | 3 MB |
| Requires iOS | **17.5** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Trembath Apps LLC](https://appshunter.io/developer/1769634160) | [Anton Litmansky](https://appshunter.io/developer/1818644150) |

## 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 |


### Rondo

[App page](https://appshunter.io/ios/app/rondo-custom-interval-timer/id6798016716)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flexer free?

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

### Is Rondo free?

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

### Do Flexer or Rondo have ads?

Neither Flexer nor Rondo shows ads.

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

Flexer ships an update every 2 days, and Rondo every 2 weeks. Most recently, Flexer was updated on October 12, 2026 and Rondo 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.*