# SproutTrace vs Trainkeep

The clearest difference is update cadence: Trainkeep at daily against SproutTrace's every 10 days. Trainkeep also leads on iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SproutTrace sells 3 in-app purchases, starting at $0.99 per month and Trainkeep sells 4 in-app purchases, starting at $23.99 per month. Whichever you choose, the download price is not the number that matters.

SproutTrace ships an update every 10 days, Trainkeep daily. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SproutTrace | Trainkeep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Size | 9 MB | 58 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [广州两仪软件有限公司](https://appshunter.io/developer/1682727762) | [Trainkeep LLC](https://appshunter.io/developer/900357806) |

## What reviewers say

### SproutTrace

[App page](https://appshunter.io/ios/app/sprouttrace/id6792499517)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SproutTrace Pro Monthly | $0.99 | per month |
| SproutTrace Pro Yearly | $0.99 | per year |
| SproutTrace Lifetime | $1.99 | one-time |


### Trainkeep

[App page](https://appshunter.io/ios/app/trainkeep/id6815014762)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solo — monthly | $23.99 | per month |
| Pro — monthly | $37.99 | per month |
| Solo — annual | $239.99 | per year |
| Pro — annual | $379.99 | per year |


## Frequently asked questions

### Is SproutTrace free?

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

### Is Trainkeep free?

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

### Do SproutTrace or Trainkeep have ads?

Neither SproutTrace nor Trainkeep shows ads.

### Which is updated more often, SproutTrace or Trainkeep?

SproutTrace ships an update every 10 days, and Trainkeep daily. Most recently, SproutTrace was updated on October 11, 2026 and Trainkeep on October 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.*