# Sleep Data Recorder vs Sleeptock

The clearest difference is update cadence: Sleeptock at every 9 days against Sleep Data Recorder's every 6 weeks. Sleep Data Recorder's advantage is iOS requirement (9.0 vs 12.4). 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 Sleeptock sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sleep Data Recorder ships an update every 6 weeks, Sleeptock every 9 days. The most recent releases landed on June 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Sleep Data Recorder | Sleeptock |
| --- | --- | --- |
| 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 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 18 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOHN BURKE](https://appshunter.io/developer/1082153101) | [scienceprod](https://appshunter.io/developer/1683570072) |

## 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 |


### Sleeptock

[App page](https://appshunter.io/ios/app/sleeptock/id6448126125)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Start Delay | $0.99 | one-time |
| Presets | $0.99 | one-time |
| Sound Pack | $0.99 | one-time |
| Bundle Offer | $1.99 | one-time |


## Frequently asked questions

### Is Sleep Data Recorder free?

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

### Is Sleeptock free?

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

### Do Sleep Data Recorder or Sleeptock have ads?

Neither Sleep Data Recorder nor Sleeptock shows ads.

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

Sleep Data Recorder ships an update every 6 weeks, and Sleeptock every 9 days. Most recently, Sleep Data Recorder was updated on June 9, 2026 and Sleeptock on September 22, 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.*