# Sleep Ledger vs Intervo

The clearest difference is price: Sleep Ledger at Free against Intervo's $0.99. Intervo's advantage is in-app purchases (none vs 1) and update cadence (weekly vs fortnightly). On ads, device support and iOS requirement there is nothing between them.

Sleep Ledger is free to download; Intervo costs $0.99 up front. Sleep Ledger sells 1 one-off in-app purchase. Intervo asks for nothing beyond the download.

Sleep Ledger ships an update fortnightly, Intervo weekly. The most recent releases landed on October 21, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Sleep Ledger | Intervo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 21 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Borealbit Technology Limited](https://appshunter.io/developer/1808424081) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Sleep Ledger

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

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepLedger Pro | $2.99 | one-time |


### Intervo

[App page](https://appshunter.io/ios/app/intervo-hiit-interval-timer/id6775499898)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Ledger free?

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

### Is Intervo free?

Intervo costs $0.99, with no in-app purchases.

### Do Sleep Ledger or Intervo have ads?

Neither Sleep Ledger nor Intervo shows ads.

### Which is updated more often, Sleep Ledger or Intervo?

Sleep Ledger ships an update fortnightly, and Intervo weekly. Most recently, Sleep Ledger was updated on October 21, 2026 and Intervo on October 4, 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.*