# Weeks vs InterpVault

The clearest difference is update cadence: InterpVault at every 5 weeks against Weeks's every 16 months. Weeks's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Weeks ships an update every 16 months, InterpVault every 5 weeks. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Weeks | InterpVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (11 ratings)](https://appshunter.io/ios/app/weeks-lead-time-planner/id1239044194/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 0 MB | 84 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Severinsen](https://appshunter.io/developer/955317585) | [BIG Language Solutions](https://appshunter.io/developer/1722392762) |

## What reviewers say

### Weeks

[App page](https://appshunter.io/ios/app/weeks-lead-time-planner/id1239044194)

This app helps you plan and track time intervals in weeks. It's a digital alternative to traditional date wheels, useful for managing delivery lead times, countdowns to events, or deadlines.

**Highlights:** Lead time planning, Event countdowns, Deadline tracking, Digital date wheel replacement, Weekly interval management

**In-app purchases:** none


### InterpVault

[App page](https://appshunter.io/ios/app/interpvault/id6478384699)

**In-app purchases:** none


## Frequently asked questions

### Is Weeks free?

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

### Is InterpVault free?

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

### Do Weeks or InterpVault have ads?

Neither Weeks nor InterpVault shows ads.

### Which is updated more often, Weeks or InterpVault?

Weeks ships an update every 16 months, and InterpVault every 5 weeks. Most recently, Weeks was updated on September 9, 2026 and InterpVault on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*