# TSU.InTime vs Delta T&D

TSU.InTime and Delta T&D 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. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TSU.InTime | Delta T&D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (8 ratings)](https://appshunter.io/ios/app/tsuintime-schedule/id1451341418/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 24 MB | 53 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [National Research Tomsk State University](https://appshunter.io/developer/1129438854) | [ICL-KME CS](https://appshunter.io/developer/1122470888) |

## What reviewers say

### TSU.InTime

[App page](https://appshunter.io/ios/app/tsuintime-schedule/id1451341418)

Manage your class schedules with ease. This app displays your lessons, classrooms, and teachers, automatically adjusting to your local time zone. Simply input your group to ensure you never miss a class.

**Highlights:** Class schedule management, Classroom and teacher information, Automatic time zone adjustment, Group-specific scheduling, New design interface

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

**In-app purchases:** none


### Delta T&D

[App page](https://appshunter.io/ios/app/delta-t-and-d/id6479645109)

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

**In-app purchases:** none


## Frequently asked questions

### Is TSU.InTime free?

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

### Is Delta T&D free?

Delta T&D is free to download, with no in-app purchases.

### Do TSU.InTime or Delta T&D have ads?

Neither TSU.InTime nor Delta T&D shows ads.

### Which is updated more often, TSU.InTime or Delta T&D?

TSU.InTime ships an update every 3 months, and Delta T&D every 3 months. Most recently, TSU.InTime was updated on October 29, 2026 and Delta T&D 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.*