# ActivTrax vs Sproutkin

The clearest difference is rating: Sproutkin at 5.0 against ActivTrax's 2.3. Sproutkin also leads on update cadence (every 6 days vs every 5 weeks). ActivTrax's advantage is ratings volume (152 vs 1) and iOS requirement (14.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sproutkin holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: ActivTrax has 152 ratings behind it against 1, so its average is the more settled of the two.

ActivTrax ships an update every 5 weeks, Sproutkin every 6 days. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ActivTrax | Sproutkin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (152 ratings)](https://appshunter.io/ios/app/activtrax/id1209844899/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sproutkin/id6790715184/reviews)** |
| Number of ratings | **152** | 1 |
| Positive reviews | 10.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 20 MB | 4 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ActivTrax](https://appshunter.io/developer/1209844898) | [Addison Chung](https://appshunter.io/developer/6790715186) |

## What reviewers say

### ActivTrax

[App page](https://appshunter.io/ios/app/activtrax/id1209844899)

This app personalizes your gym workouts by predicting and prescribing the exact weight to lift on every piece of equipment. It offers customized routines, exercise instructions, and progress tracking, making your gym visits efficient and varied.

**Highlights:** Predicts and prescribes exact weight for gym equipment, Customized resistance routines, Exercise instructions and videos, Wearable device integration, Progress reports, Nutritional database and food journaling, Cardio tracking

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💪 Personalized workout guidance for beginners
- 🎯 Clear exercise instructions and machine locations
- 💰 Free with YMCA membership
- 📈 Progressive difficulty increases gradually
- 🏋️ Comprehensive workout variety and customization

**What reviewers complain about**

- 🐛 Frequent crashes and app freezes
- 🔌 Persistent server connection issues
- ❌ Cannot change exercise weights in app
- 🚪 Constant unexpected logouts mid-workout
- 💾 Data loss when app crashes or closes

**Reported bugs**

- App crashes when submitting workouts
- Cannot connect to servers reliably
- Weight changes don't save or revert automatically
- Unexpected logouts during workouts
- All workout data lost when app closes

**Requested features**

- Timer for rest periods between sets
- Apple Watch and Apple Health integration
- Ability to add custom exercises and sets on-the-fly
- Save machine position preferences
- Partner/group workout mode


### Sproutkin

[App page](https://appshunter.io/ios/app/sproutkin/id6790715184)

This app helps new parents track baby activities like feeding, sleep, and diaper changes with a simple, private interface. It allows co-parents to merge logs without cloud accounts and provides insights into sleep patterns and consumable supplies.

**Highlights:** Log feeds, sleep, diapers, vitamins, baths, walks, tummy time, Customizable activity tracking, Co-parent log merging without cloud accounts, Detailed feed tracking with side memory, Sleep analytics: total sleep, estimated bedtime, night stretches, Consumables tracking for supplies, Customizable reminders

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

**In-app purchases:** none


## Frequently asked questions

### Is ActivTrax free?

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

### Is Sproutkin free?

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

### Which has better reviews, ActivTrax or Sproutkin?

Sproutkin is rated higher. ActivTrax averages 2.3 out of 5 from 152 ratings, while Sproutkin averages 5.0 from 1 ratings.

### Do ActivTrax or Sproutkin have ads?

Neither ActivTrax nor Sproutkin shows ads.

### Which is updated more often, ActivTrax or Sproutkin?

ActivTrax ships an update every 5 weeks, and Sproutkin every 6 days. Most recently, ActivTrax was updated on October 16, 2026 and Sproutkin on October 1, 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.*