# FDS Altis vs GridLite

The clearest difference is review sentiment: GridLite at 100% against FDS Altis's 40%. GridLite also leads on rating (5.0 vs 3.9) and iOS requirement (13.4 vs 26.2). FDS Altis's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, update cadence and ads there is nothing between them.

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

GridLite holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 10 and 6 respectively. Written reviews point the same way: 40% of FDS Altis's written reviews are positive against 100% of GridLite's.

FDS Altis ships an update every 3 weeks, GridLite fortnightly. The most recent releases landed on September 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | FDS Altis | GridLite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (10 ratings)](https://appshunter.io/ios/app/fds-altis/id1254991988/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/gridlite/id1258368768/reviews)** |
| Number of ratings | **10** | 6 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 64 MB |
| Requires iOS | 26.2 | **13.4** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Casey Mongoven](https://appshunter.io/developer/1254991987) | [Lunabit Technologies LLC](https://appshunter.io/developer/1258368767) |

## What reviewers say

### FDS Altis

[App page](https://appshunter.io/ios/app/fds-altis/id1254991988)

Access the instructional manual for your product and connect to the system. By using this application, you agree to the Terms of Service and Privacy Policy.

**Highlights:** Product instructional manual access, System connection, Terms of Service agreement, Privacy Policy agreement

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

**In-app purchases:** none


### GridLite

[App page](https://appshunter.io/ios/app/gridlite/id1258368768)

Effortlessly split electricity bills with roommates, tenants, or for business use. The app automatically charges each person their share and pays the utility company directly. It also helps you find affordable green energy options.

**Highlights:** Automatic bill splitting for roommates, Utility payment to provider, Tenant bill management for rentals, Business expense allocation, Meter-based bill division, Green energy plan comparison

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FDS Altis free?

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

### Is GridLite free?

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

### Which has better reviews, FDS Altis or GridLite?

GridLite is rated higher. FDS Altis averages 3.9 out of 5 from 10 ratings, while GridLite averages 5.0 from 6 ratings.

### Do FDS Altis or GridLite have ads?

Neither FDS Altis nor GridLite shows ads.

### Which is updated more often, FDS Altis or GridLite?

FDS Altis ships an update every 3 weeks, and GridLite fortnightly. Most recently, FDS Altis was updated on September 15, 2026 and GridLite on June 1, 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.*