# SpringRithm vs HayTracker

The clearest difference is in-app purchases: HayTracker at none against SpringRithm's 8. HayTracker also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SpringRithm sells 8 in-app purchases, starting at $0.49 per year. HayTracker asks for nothing beyond the download.

SpringRithm ships an update every 2 months, HayTracker fortnightly. Both last shipped on September 8, 2026.

## The numbers

| Metric | SpringRithm | HayTracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (10 ratings)](https://appshunter.io/ios/app/springrithm/id1494993185/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 211 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Benny Boudreaux](https://appshunter.io/developer/1485335686) | [NATHAN CARLISLE FOX](https://appshunter.io/developer/1859062685) |

## What reviewers say

### SpringRithm

[App page](https://appshunter.io/ios/app/springrithm/id1494993185)

This app helps users set up coilover suspensions for desired loads and ride heights. It calculates dynamic loads and preload adjustments, even without specialized testing equipment. It also checks for coil binding issues with its spring database.

**Highlights:** Set desired loads and ride heights, Calculate dynamic spring loads, Determine preload adjustments, Check for coil binding, Access spring database, Save time on setup changes

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Discount Yearly | $0.49 | per year |
| Basic Use of SpringRithm | $4.99 | per month |
| Basic Use with Free Trial | $19.99 | per month |
| Basic | $34.99 | per month |
| Semi-Pro | $39.99 | per month |
| Yearly Subscription | $99.99 | per year |
| Basic | $149.99 | per year |
| Semi-Pro | $249.99 | per year |


### HayTracker

[App page](https://appshunter.io/ios/app/haytracker/id6757104455)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SpringRithm free?

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

### Is HayTracker free?

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

### Do SpringRithm or HayTracker have ads?

Neither SpringRithm nor HayTracker shows ads.

### Which is updated more often, SpringRithm or HayTracker?

SpringRithm ships an update every 2 months, and HayTracker fortnightly. Most recently, SpringRithm was updated on September 8, 2026 and HayTracker on September 8, 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.*