# Best Interval Timer vs Protein Trackr AI

The clearest difference is in-app purchases: Best Interval Timer at none against Protein Trackr AI's 2. Best Interval Timer also leads on ratings volume (86 vs 1) and iOS requirement (16.0 vs 18.5). Protein Trackr AI's advantage is ads (none vs shown) and update cadence (daily vs every 12 months). On price and device support there is nothing between them.

Both are free to download. Protein Trackr AI sells 2 in-app purchases, starting at $9.99 per month. Best Interval Timer asks for nothing beyond the download.

Protein Trackr AI holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Best Interval Timer has 86 ratings behind it against 1, so its average is the more settled of the two.

Best Interval Timer ships an update every 12 months, Protein Trackr AI daily. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Best Interval Timer | Protein Trackr AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (86 ratings)](https://appshunter.io/ios/app/best-interval-timer/id547542742/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protein-trackr-ai/id6749637191/reviews)** |
| Number of ratings | **86** | 1 |
| Positive reviews | 89.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Daily** |
| Monetization | **Ad-supported** | Freemium |
| Size | 19 MB | 10 MB |
| Requires iOS | **16.0** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [倩 赵](https://appshunter.io/developer/376557917) | [Noah Fleming](https://appshunter.io/developer/1831531622) |

## What reviewers say

### Best Interval Timer

[App page](https://appshunter.io/ios/app/best-interval-timer/id547542742)

This app acts as your personal coach, guiding you through workouts with customizable routines. Focus on your exercise while it manages timing for warm-up, high/low intensity intervals, cool-downs, and rest periods.

**Highlights:** Customizable workout routines, Warm-up, intensity, cool-down, rest periods, Background and multitasking support, Adjustable interval sounds and vibrations, Workout practice tracking, Landscape and portrait orientation

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Simple and functional
- 👍 Free
- 👍 Customizable intervals
- 👍 Works in background

**What reviewers complain about**

- 🐛 Too many ads
- 🐛 Limited programmable routines (free version)
- 🐛 Ads block screen in landscape
- 🐛 Small numbers hard to read
- 🐛 Side view unusable

**Reported bugs**

- App stops working after rating notification
- Buttons don't work after rating notification
- Crashes when saving timers
- Crashes when editing exercises
- Freezes and stops working

**Requested features**

- Ability to save multiple intervals/routines
- Voice cues for start/stop
- Apple Watch compatibility
- Larger buttons and text
- Option to save different schedules (e.g., Tabata)


### Protein Trackr AI

[App page](https://appshunter.io/ios/app/protein-trackr-ai/id6749637191)

Effortlessly track protein intake by simply photographing your meals. This AI-powered tool instantly calculates protein content, making it ideal for athletes, bodybuilders, and anyone prioritizing protein in their diet. Focus on what matters most without complex manual logging.

**Highlights:** AI Photo Recognition for protein calculation, Quick Add for favorite proteins, Smart Tracking for daily progress, Personalized food database, Offline tracking capability

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProteinTracker AI Monthly | $9.99 | per month |
| ProteinTrackr AI Annual | $79.99 | per year |


## Frequently asked questions

### Is Best Interval Timer free?

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

### Is Protein Trackr AI free?

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

### Which has better reviews, Best Interval Timer or Protein Trackr AI?

Protein Trackr AI is rated higher. Best Interval Timer averages 4.6 out of 5 from 86 ratings, while Protein Trackr AI averages 5.0 from 1 ratings.

### Do Best Interval Timer or Protein Trackr AI have ads?

Best Interval Timer shows ads; Protein Trackr AI does not.

### Which is updated more often, Best Interval Timer or Protein Trackr AI?

Best Interval Timer ships an update every 12 months, and Protein Trackr AI daily. Most recently, Best Interval Timer was updated on November 1, 2026 and Protein Trackr AI on October 30, 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.*