# Grain SA vs Zeitlog

The clearest difference is iOS requirement: Grain SA at 10.2 against Zeitlog's 16.4. On price, update cadence, 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.

Grain SA ships an update monthly, Zeitlog every 4 weeks. The most recent releases landed on September 8, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Grain SA | Zeitlog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 weeks** |
| Size | 98 MB | 71 MB |
| Requires iOS | **10.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [4SIGHT SYSTEMS (PTY) LTD](https://appshunter.io/developer/656095757) | [IMEOS](https://appshunter.io/developer/1249567976) |

## What reviewers say

### Grain SA

[App page](https://appshunter.io/ios/app/grain-sa/id1665831580)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zeitlog

[App page](https://appshunter.io/ios/app/zeitlog/id1670687082)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grain SA free?

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

### Is Zeitlog free?

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

### Do Grain SA or Zeitlog have ads?

Neither Grain SA nor Zeitlog shows ads.

### Which is updated more often, Grain SA or Zeitlog?

Grain SA ships an update monthly, and Zeitlog every 4 weeks. Most recently, Grain SA was updated on September 8, 2026 and Zeitlog on August 22, 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.*