# SleepLedger vs Drift

SleepLedger and Drift are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. SleepLedger sells 1 one-off in-app purchase and Drift sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SleepLedger ships an update every 5 weeks, Drift monthly. The most recent releases landed on September 23, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | SleepLedger | Drift |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 15 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Borealbit Technology Limited](https://appshunter.io/developer/1808424081) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### SleepLedger

[App page](https://appshunter.io/ios/app/sleepledger-sleep-diary/id6757725138)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepLedger Pro | $4.99 | one-time |


### Drift

[App page](https://appshunter.io/ios/app/drift-cbt-i-sleep-program/id6772050317)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Drift Pro Monthly | $4.99 | per month |
| Drift Pro Yearly | $29.99 | per year |


## Frequently asked questions

### Is SleepLedger free?

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

### Is Drift free?

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

### Do SleepLedger or Drift have ads?

Neither SleepLedger nor Drift shows ads.

### Which is updated more often, SleepLedger or Drift?

SleepLedger ships an update every 5 weeks, and Drift monthly. Most recently, SleepLedger was updated on September 23, 2026 and Drift on September 18, 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.*