# DATIS e3 vs When Did I Last

The clearest difference is in-app purchases: DATIS e3 at none against When Did I Last's 1. DATIS e3 also leads on iOS requirement (13.0 vs 15.6). When Did I Last's advantage is update cadence (every 3 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. When Did I Last sells 1 one-off in-app purchase. DATIS e3 asks for nothing beyond the download.

DATIS e3 ships an update every 3 months, When Did I Last every 3 weeks. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | DATIS e3 | When Did I Last |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (67 ratings)](https://appshunter.io/ios/app/datis-e3/id1365771272/reviews)** | — |
| Number of ratings | **67** | — |
| Positive reviews | 17.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 37 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ContinuumCloud LLC](https://appshunter.io/developer/1329548602) | [AARON ROSS JACOBSEN](https://appshunter.io/developer/6795327692) |

## What reviewers say

### DATIS e3

[App page](https://appshunter.io/ios/app/datis-e3/id1365771272)

Access core organizational functionalities from your mobile device. View your organizational chart, collaborate with your team, and manage workflows on the go. Designed for a modern, mobile workforce, it provides essential information anytime, anywhere.

**Highlights:** Interactive organizational chart, Team collaboration tools, Workflow review and approval, Access information anywhere, Mobile workforce solution

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

**In-app purchases:** none


### When Did I Last

[App page](https://appshunter.io/ios/app/when-did-i-last-task-tracker/id6795327450)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is DATIS e3 free?

DATIS e3 is free to download, with no in-app purchases.

### Is When Did I Last free?

When Did I Last is free to download, with in-app purchases available.

### Do DATIS e3 or When Did I Last have ads?

Neither DATIS e3 nor When Did I Last shows ads.

### Which is updated more often, DATIS e3 or When Did I Last?

DATIS e3 ships an update every 3 months, and When Did I Last every 3 weeks. Most recently, DATIS e3 was updated on October 8, 2026 and When Did I Last on September 29, 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.*