# Doer vs CELLOG

The clearest difference is update cadence: CELLOG at every 2 days against Doer's every 3 weeks. CELLOG also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, 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.

Doer ships an update every 3 weeks, CELLOG every 2 days. Both last shipped on November 6, 2026.

## The numbers

| Metric | Doer | CELLOG |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cellog/id6818677330/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | — | Free |
| Size | 8 MB | 10 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yahya Alfaifi](https://appshunter.io/developer/1748618471) | [Hapibit](https://appshunter.io/developer/6803535753) |

## What reviewers say

### Doer

[App page](https://appshunter.io/ios/app/doer-to-do-list/id6811286561)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


### CELLOG

[App page](https://appshunter.io/ios/app/cellog/id6818677330)

Organize member lists, pastoral visits, and follow-up notes for church leaders. Record care activities, track reports, and manage group members. Export data and use a calendar for planning.

**Highlights:** Record care activities and notes, Organize member lists and birthdays, Track report reading status, Plan follow-up actions, Calendar view for records and birthdays, Search, filter, and export records, Manage groups and member roles

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

**In-app purchases:** none


## Frequently asked questions

### Is Doer free?

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

### Is CELLOG free?

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

### Do Doer or CELLOG have ads?

Neither Doer nor CELLOG shows ads.

### Which is updated more often, Doer or CELLOG?

Doer ships an update every 3 weeks, and CELLOG every 2 days. Most recently, Doer was updated on November 6, 2026 and CELLOG on November 6, 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.*