# Mektep SMS vs Defter Doldur

The clearest difference is in-app purchases: Mektep SMS at none against Defter Doldur's 3. Mektep SMS also leads on ads (none vs shown). Defter Doldur's advantage is update cadence (weekly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Defter Doldur sells 3 in-app purchases, starting at $0.99 per month. Mektep SMS asks for nothing beyond the download.

Mektep SMS ships an update every 5 months, Defter Doldur weekly. The most recent releases landed on June 11, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Mektep SMS | Defter Doldur |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Weekly** |
| Size | 37 MB | 106 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [CUNEYT KARABEKIROGLU](https://appshunter.io/developer/1495854750) | [Mehmet Emre OZ](https://appshunter.io/developer/1623822155) |

## What reviewers say

### Mektep SMS

[App page](https://appshunter.io/ios/app/mektep-sms/id1495854751)

**Features:** macOS Compatibility

**In-app purchases:** none


### Defter Doldur

[App page](https://appshunter.io/ios/app/defter-doldur/id6747587515)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık | $0.99 | per month |
| 3 Aylık | $2.99 | per 3 months |
| Yıllık | $6.99 | per year |


## Frequently asked questions

### Is Mektep SMS free?

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

### Is Defter Doldur free?

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

### Do Mektep SMS or Defter Doldur have ads?

Defter Doldur shows ads; Mektep SMS does not.

### Which is updated more often, Mektep SMS or Defter Doldur?

Mektep SMS ships an update every 5 months, and Defter Doldur weekly. Most recently, Mektep SMS was updated on June 11, 2026 and Defter Doldur on September 22, 2026.

---

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