# Backlog by Time Engine vs Savant AI

The clearest difference is update cadence: Savant AI at every 9 days against Backlog by Time Engine's every 3 weeks. Savant AI also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Backlog by Time Engine ships an update every 3 weeks, Savant AI every 9 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | Backlog by Time Engine | Savant AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (6 ratings)](https://appshunter.io/ios/app/savant-ai/id6747010054/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 3 MB | 39 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [100-8 Studio](https://appshunter.io/developer/1436780503) | [Peter Marshall Stevenson](https://appshunter.io/developer/1815850914) |

## What reviewers say

### Backlog by Time Engine

[App page](https://appshunter.io/ios/app/backlog-by-time-engine/id6470202026)

**Features:** macOS Compatibility

**In-app purchases:** none


### Savant AI

[App page](https://appshunter.io/ios/app/savant-ai/id6747010054)

This app helps neurodivergent individuals focus on their special interests by providing tools to plan projects and manage distracting thoughts. It aims to facilitate deep concentration and project completion.

**Highlights:** Project planning tools, Actionable to-do lists, Distracting thought management, Science-backed focus methods, Special interest project support

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

**In-app purchases:** none


## Frequently asked questions

### Is Backlog by Time Engine free?

Backlog by Time Engine is free to download, with no in-app purchases.

### Is Savant AI free?

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

### Do Backlog by Time Engine or Savant AI have ads?

Neither Backlog by Time Engine nor Savant AI shows ads.

### Which is updated more often, Backlog by Time Engine or Savant AI?

Backlog by Time Engine ships an update every 3 weeks, and Savant AI every 9 days. Most recently, Backlog by Time Engine was updated on October 7, 2026 and Savant AI on October 7, 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.*