# Source Technologies vs Keeper by Tarantula List

The clearest difference is update cadence: Source Technologies at every 2 weeks against Keeper by Tarantula List's every 3 months. Source Technologies also leads on iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Source Technologies ships an update every 2 weeks, Keeper by Tarantula List every 3 months. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Source Technologies | Keeper by Tarantula List |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/keeper-by-tarantula-list/id6760977453/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | — | Free |
| Size | 16 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Accudose, L.L.C.](https://appshunter.io/developer/1567421456) | [Steven Charteris](https://appshunter.io/developer/1887102955) |

## What reviewers say

### Source Technologies

[App page](https://appshunter.io/ios/app/source-technologies/id1640994064)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keeper by Tarantula List

[App page](https://appshunter.io/ios/app/keeper-by-tarantula-list/id6760977453)

This app helps exotic pet owners meticulously track their animals' care, including feedings, molts, and maintenance. It stores all data locally, ensuring privacy and offline functionality. Perfect for managing diverse collections of invertebrates, reptiles, and more.

**Highlights:** Offline-first recordkeeping, Track feedings, molts, maintenance, Weight tracking with history, Photo gallery per animal, Feeding reminders, Shareable keep list, Dark mode support

**In-app purchases:** none


## Frequently asked questions

### Is Source Technologies free?

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

### Is Keeper by Tarantula List free?

Keeper by Tarantula List is free to download, with no in-app purchases.

### Do Source Technologies or Keeper by Tarantula List have ads?

Neither Source Technologies nor Keeper by Tarantula List shows ads.

### Which is updated more often, Source Technologies or Keeper by Tarantula List?

Source Technologies ships an update every 2 weeks, and Keeper by Tarantula List every 3 months. Most recently, Source Technologies was updated on October 5, 2026 and Keeper by Tarantula List on September 24, 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.*