Sum Loop vs PanelShiritori
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sum Loop
A challenging puzzle game where players place blocks into overlapping loops to match displayed sums. Offers multiple solutions for each puzzle, providing replayability. Designed for quick, engaging gameplay.
- Match sums in overlapping loops
- Place blocks to solve puzzles
- Multiple solutions per puzzle
- Challenging gameplay
- Intuitive block placement
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Number will be added to all loops where the loops are overlapped. Put the blocks in the loops and match all the sums displayed above. There is more than 1 answer.
PanelShiritori
This puzzle game challenges players to identify various readings for the same image, expanding a dictionary of Japanese words. Players then use collected readings in a timed challenge to select associated images.
- Picture Shiritori puzzle gameplay
- Discover multiple readings for images
- Build a yomikata dictionary
- Quick-push panel time attack
- Collect and use word readings
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A puzzle game and a quick-push game of “Picture Shiritori”! The game contains a large number of ways to read the same picture! For example, the panel of “moon” is “mangetsu”, “tsuki”, “night”, ‘otsukimi’, “jugoya”, and so on! For example, the same picture can be read in various ways! Let's find the rare readings and complete the yomikata dictionary! Then, play a quick-push panel game with the readings you've collected! Select the panel you associate with the reading and compete in a time attack! Translated with DeepL.com (free version)
Screenshots
Verdict
The clearest difference is in-app purchases: PanelShiritori at none against Sum Loop's 1. PanelShiritori also leads on update cadence (every 6 days vs every 4 months). Sum Loop's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.6). On price and ads 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
Both are free to download. Sum Loop sells 1 one-off in-app purchase. PanelShiritori asks for nothing beyond the download.
Sum Loop ships an update every 4 months, PanelShiritori every 6 days. The most recent releases landed on June 1, 2026 and June 24, 2026 respectively.
| Parameter | Sum Loop | PanelShiritori |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 70.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 6 days — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 9 MB | 15 MB |
| Age rating | 4+ | 17+ |
| Developer | Goro Sato | daisuke uehara |
Customer experience
Sum Loop
PanelShiritori
In-app purchases
Sum Loop
- Remove Ads$0.99
PanelShiritori
No in-app purchases
