# GainBlocks vs Sproutkin

The clearest difference is in-app purchases: Sproutkin at none against GainBlocks's 2. Sproutkin also leads on ads (none vs shown). GainBlocks's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. GainBlocks sells 2 in-app purchases, starting at $6.99 per month. Sproutkin asks for nothing beyond the download.

GainBlocks ships an update every 9 days, Sproutkin every 6 days. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | GainBlocks | Sproutkin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sproutkin/id6790715184/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | — | Free |
| Size | 58 MB | 4 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Mike Hendriks](https://appshunter.io/developer/1850111344) | [Addison Chung](https://appshunter.io/developer/6790715186) |

## What reviewers say

### GainBlocks

[App page](https://appshunter.io/ios/app/gainblocks-workout-tracker/id6756027419)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GainBlocks Monthly | $6.99 | per month |
| GainBlocks Annual | $44.99 | per year |


### 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 GainBlocks free?

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

### Is Sproutkin free?

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

### Do GainBlocks or Sproutkin have ads?

GainBlocks shows ads; Sproutkin does not.

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

GainBlocks ships an update every 9 days, and Sproutkin every 6 days. Most recently, GainBlocks 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.*