# Sleep Data Recorder vs Gluten Checker

The clearest difference is update cadence: Sleep Data Recorder at every 6 weeks against Gluten Checker's every 7 months. Sleep Data Recorder also leads on iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sleep Data Recorder sells 1 one-off in-app purchase and Gluten Checker sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Sleep Data Recorder ships an update every 6 weeks, Gluten Checker every 7 months. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sleep Data Recorder | Gluten Checker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/sleep-data-recorder/id1135221863/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 9 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JOHN BURKE](https://appshunter.io/developer/1082153101) | [JIRI CHOMAT](https://appshunter.io/developer/1780274254) |

## What reviewers say

### Sleep Data Recorder

[App page](https://appshunter.io/ios/app/sleep-data-recorder/id1135221863)

Effortlessly track your sleep patterns and daily body weight by logging your bedtime and wake-up times. The app automatically calculates your time in bed and asleep, and syncs data with Apple's HealthKit for easy monitoring of your health progress.

**Highlights:** Sleep pattern monitoring, Body weight logging, Automatic time calculation, HealthKit integration, Simple one-button entry

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weight Recorder Full Access | $0.99 | one-time |


### Gluten Checker

[App page](https://appshunter.io/ios/app/gluten-checker/id6740210917)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium | $3.99 | per month |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $24.99 | per year |


## Frequently asked questions

### Is Sleep Data Recorder free?

Sleep Data Recorder is free to download, with in-app purchases available.

### Is Gluten Checker free?

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

### Do Sleep Data Recorder or Gluten Checker have ads?

Neither Sleep Data Recorder nor Gluten Checker shows ads.

### Which is updated more often, Sleep Data Recorder or Gluten Checker?

Sleep Data Recorder ships an update every 6 weeks, and Gluten Checker every 7 months. Most recently, Sleep Data Recorder was updated on October 19, 2026 and Gluten Checker on October 25, 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.*