# ByteFast vs Sproutly

The clearest difference is in-app purchases: ByteFast at none against Sproutly's 3. Sproutly's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sproutly sells 3 in-app purchases, starting at $6.99 per year. ByteFast asks for nothing beyond the download.

ByteFast ships an update every 2 weeks, Sproutly every 4 days. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ByteFast | Sproutly |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 11 MB | 11 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [BYTESEED LLC](https://appshunter.io/developer/1896674402) | [Craig Caldwell](https://appshunter.io/developer/321045209) |

## What reviewers say

### ByteFast

[App page](https://appshunter.io/ios/app/bytefast-fasting-tracker-168/id6769618458)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sproutly

[App page](https://appshunter.io/ios/app/sproutly-water-tracker/id6809887913)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sproutly Pro Yearly | $6.99 | per year |
| Sproutly Pro Lifetime | $9.99 | one-time |
| Sproutly Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is ByteFast free?

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

### Is Sproutly free?

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

### Do ByteFast or Sproutly have ads?

Neither ByteFast nor Sproutly shows ads.

### Which is updated more often, ByteFast or Sproutly?

ByteFast ships an update every 2 weeks, and Sproutly every 4 days. Most recently, ByteFast was updated on October 12, 2026 and Sproutly on September 26, 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.*