# Rep Timer vs ChattyFit AI Personal Trainer

The clearest difference is price: ChattyFit AI Personal Trainer at Free against Rep Timer's $0.99. ChattyFit AI Personal Trainer also leads on update cadence (weekly vs every 2 months) and rating (5.0 vs 4.6). Rep Timer's advantage is in-app purchases (none vs 5) and chart position (#196 vs unranked). On ads there is nothing between them.

ChattyFit AI Personal Trainer is free to download; Rep Timer costs $0.99 up front. ChattyFit AI Personal Trainer sells 5 in-app purchases, starting at $6.99 per 7 days. Rep Timer asks for nothing beyond the download.

ChattyFit AI Personal Trainer holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Rep Timer has 28 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 86% of Rep Timer's written reviews are positive against 100% of ChattyFit AI Personal Trainer's.

Rep Timer ships an update every 2 months, ChattyFit AI Personal Trainer weekly. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rep Timer | ChattyFit AI Personal Trainer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.6 (28 ratings)](https://appshunter.io/ios/app/rep-timer/id1494607336/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/chattyfit-ai-personal-trainer/id6748089571/reviews)** |
| Number of ratings | **28** | 4 |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | **Freemium** |
| Best chart rank | **#196** | — |
| Size | 3 MB | 94 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [pkclSoft](https://appshunter.io/developer/432090829) | [51code Co., Ltd.](https://appshunter.io/developer/1697872810) |

## What reviewers say

### Rep Timer

[App page](https://appshunter.io/ios/app/rep-timer/id1494607336)

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

This app provides a simple and elegant way to time holds and rests during workouts, offering audio cues or haptic feedback. Settings can be easily managed and synced across paired devices, with options to save custom workout shortcuts.

**Highlights:** Audio and haptic workout cues, Cross-device settings sync, Customizable workout shortcuts, Elegant visual hold display, HealthKit activity recording

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

**In-app purchases:** none


### ChattyFit AI Personal Trainer

[App page](https://appshunter.io/ios/app/chattyfit-ai-personal-trainer/id6748089571)

This AI-powered fitness coach creates personalized workout plans for muscle building and weight loss, adapting to your equipment and goals. It offers exercise guidance, progress tracking, and on-demand chat support to help you stay consistent and master your form.

**Highlights:** Personalized workout plans, AI-driven coaching, Exercise form guidance, Adaptable to equipment, Workout logging and history, Apple Watch integration, Progress tracking

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChattyFit Pro | $6.99 | per 7 days |
| ChattyFit Pro | $12.99 | per month |
| ChattyFit Pro | $99.99 | per year |
| Lifetime | $124.99 | one-time |
| ChattyFit Pro | $249.99 | one-time |


## Frequently asked questions

### Is Rep Timer free?

Rep Timer costs $0.99, with no in-app purchases.

### Is ChattyFit AI Personal Trainer free?

ChattyFit AI Personal Trainer is free to download, with in-app purchases available.

### Which has better reviews, Rep Timer or ChattyFit AI Personal Trainer?

ChattyFit AI Personal Trainer is rated higher. Rep Timer averages 4.6 out of 5 from 28 ratings, while ChattyFit AI Personal Trainer averages 5.0 from 4 ratings.

### Do Rep Timer or ChattyFit AI Personal Trainer have ads?

Neither Rep Timer nor ChattyFit AI Personal Trainer shows ads.

### Which is updated more often, Rep Timer or ChattyFit AI Personal Trainer?

Rep Timer ships an update every 2 months, and ChattyFit AI Personal Trainer weekly. Most recently, Rep Timer was updated on October 5, 2026 and ChattyFit AI Personal Trainer on October 15, 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.*