# Strength Progress Tracker vs Sparkz

The clearest difference is in-app purchases: Strength Progress Tracker at none against Sparkz's 2. Strength Progress Tracker also leads on iOS requirement (15.1 vs 18.0). Sparkz's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Sparkz sells 2 in-app purchases, starting at $39.99 per year. Strength Progress Tracker asks for nothing beyond the download.

Strength Progress Tracker ships an update every 3 weeks, Sparkz every 5 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Strength Progress Tracker | Sparkz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (95 ratings)](https://appshunter.io/ios/app/sparkz-couple-bucket-list/id6749107753/reviews)** |
| Number of ratings | — | **95** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 18 MB | 114 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Xiaoming Cai](https://appshunter.io/developer/1510258303) | [Caleb Wolin](https://appshunter.io/developer/1738717699) |

## What reviewers say

### Strength Progress Tracker

[App page](https://appshunter.io/ios/app/strength-progress-tracker/id6747354472)

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

**In-app purchases:** none


### Sparkz

[App page](https://appshunter.io/ios/app/sparkz-couple-bucket-list/id6749107753)

Plan, share, and achieve exciting experiences with your partner. Create travel goals, adventures, and everyday aspirations together. Track progress and celebrate milestones as you build a stronger relationship through shared experiences.

**Highlights:** Shared bucket list creation, Travel goal planning, Adventure and challenge tracking, Personal growth projects, Progress tracking, Milestone celebration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ADVTR Plus - Yearly | $39.99 | per year |
| Streak Reignite | $2.99 | one-time |


## Frequently asked questions

### Is Strength Progress Tracker free?

Strength Progress Tracker is free to download, with no in-app purchases.

### Is Sparkz free?

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

### Do Strength Progress Tracker or Sparkz have ads?

Neither Strength Progress Tracker nor Sparkz shows ads.

### Which is updated more often, Strength Progress Tracker or Sparkz?

Strength Progress Tracker ships an update every 3 weeks, and Sparkz every 5 days. Most recently, Strength Progress Tracker was updated on October 30, 2026 and Sparkz on November 5, 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.*