# TUSTIME vs ERU

The clearest difference is in-app purchases: ERU at none against TUSTIME's 5. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TUSTIME sells 5 one-off in-app purchases. ERU asks for nothing beyond the download.

TUSTIME ships an update every 2 months, ERU every 4 weeks. The most recent releases landed on June 4, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | TUSTIME | ERU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tustime/id1582428647/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 38 MB | 23 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [TUSTIME YAYINCILIK EGITIM DANISMANLIK VE SAGLIK HIZMETLERI TICARET PAZ. LTD. STI.](https://appshunter.io/developer/518971069) | [Erciyes University](https://appshunter.io/developer/1679301796) |

## What reviewers say

### TUSTIME

[App page](https://appshunter.io/ios/app/tustime/id1582428647)

This application consolidates essential resources for faculty and TUS exam success. It offers thousands of concise facts, subject-specific tests, video solutions, mock exams, and committee support lectures.

**Highlights:** Thousands of spot facts, Subject tests, Question solution videos, TUS mock exams, Committee support lectures, Chronometer feature

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 tuscoin | $1.99 | one-time |
| 500 tuscoin | $9.99 | one-time |
| 1000 tuscoin | $17.99 | one-time |
| 5000 tuscoin | $79.99 | one-time |
| 10000 tuscoin | $179.99 | one-time |


### ERU

[App page](https://appshunter.io/ios/app/eru-tip-ots/id6477384539)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TUSTIME free?

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

### Is ERU free?

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

### Do TUSTIME or ERU have ads?

Neither TUSTIME nor ERU shows ads.

### Which is updated more often, TUSTIME or ERU?

TUSTIME ships an update every 2 months, and ERU every 4 weeks. Most recently, TUSTIME was updated on June 4, 2026 and ERU on September 23, 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.*