# FORMCHK vs IM Tri Tracker

The clearest difference is in-app purchases: FORMCHK at none against IM Tri Tracker's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. IM Tri Tracker sells 1 one-off in-app purchase. FORMCHK asks for nothing beyond the download.

FORMCHK ships an update every 3 weeks, IM Tri Tracker every 11 days. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | FORMCHK | IM Tri Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 80 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FORMCHK, LLC](https://appshunter.io/developer/6779921201) | [Jack Wallner](https://appshunter.io/developer/1891233967) |

## What reviewers say

### FORMCHK

[App page](https://appshunter.io/ios/app/formchk/id6779921199)

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

**In-app purchases:** none


### IM Tri Tracker

[App page](https://appshunter.io/ios/app/im-tri-tracker/id6803727074)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Race Book | $9.99 | one-time |


## Frequently asked questions

### Is FORMCHK free?

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

### Is IM Tri Tracker free?

IM Tri Tracker is free to download, with in-app purchases available.

### Do FORMCHK or IM Tri Tracker have ads?

Neither FORMCHK nor IM Tri Tracker shows ads.

### Which is updated more often, FORMCHK or IM Tri Tracker?

FORMCHK ships an update every 3 weeks, and IM Tri Tracker every 11 days. Most recently, FORMCHK was updated on October 8, 2026 and IM Tri Tracker on October 2, 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.*