Last Weight vs By Then
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Last Weight
This app helps you track your long-term weight progress by showing you the last time you weighed your current weight. It provides motivation by highlighting your achievements and showing how much more you need to lose to reach future milestones.
- Last time current weight was achieved
- Long-term progress visualization
- Milestone tracking
- Motivational nudges
- Simple interface
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Last Weight helps you break out of short-term frustration by showing you the last time you weighed the same as you do today. Whether you’re seeing progress or finding a moment of consistency, it’s a small nudge to keep going. The app is simple. It shows you two things: 1. How long ago it was when you last weighed your current weight. Highlighting - despite daily/weekly fluctuations - how well you're currently doing over the long term 2. How much more you need to loose in order to hit the next date milestone, and what the new date would be
By Then
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A weight gain/loss calculator for people who have weight goals they want to achieve. If you need to gain weight or lose weight, By Then will tell you what you need to do to achieve that goal. Simply enter your current weight and target weight, and then either a weekly weight change you can commit to or a target date, and By Then will calculate the rest. The widgets allow you to perform the calculations right on your Home Screen for added convenience. A one-off purchase unlocks the weekly weight-change projections view and a number of themes to personalise the app. Simple, focused, to the point; you'll know where you need to be, By Then.
Screenshots
Verdict
The clearest difference is price: By Then at Free against Last Weight's $0.99. Last Weight's advantage is in-app purchases (none vs 1) and update cadence (every 5 days vs every 6 months). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
By Then is free to download; Last Weight costs $0.99 up front. By Then sells 1 one-off in-app purchase. Last Weight asks for nothing beyond the download.
Last Weight ships an update every 5 days, By Then every 6 months. The most recent releases landed on July 26, 2026 and October 28, 2026 respectively.
| Parameter | Last Weight | By Then |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 days — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 18.2 — better | 18.5 |
| Further details — not scored | ||
| Size | 2 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | wepul | Michael Lysons |
In-app purchases
Last Weight
No in-app purchases
By Then
- Unlock all features$5.00









