10 Frame Fill vs Number Frames, by MLC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
10 Frame Fill
This app helps children practice recognizing number pairs that add up to ten. Users can fill a 10-frame with colorful chips, either in sequence or randomly, to solve problems. It can optionally display corresponding number sentences to reinforce learning.
- 10 Frame visualization
- Additive '10 Families' practice
- Sequential or random fill modes
- Contrasting color chips
- Optional number sentence display
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"10 Frame Fill" provides children practice with recognizing additive "10 Families" (e.g., 1 and 9, 2 and 8, etc.). Set the 10 Frame to fill in sequence or randomly. Use contrasting color chips to fill the 10 frame as you determine the answer. Select to show a corresponding number sentence. • The iPad version includes an option to show select number sentences... one at a time or all types that were selected. • The iPhone/iPod version to show one randomly select number sentence at a time. Designed as part of the NumberSense Project at Augustana College in Rock Island, IL.
Number Frames, by MLC
This app provides virtual number frames to help elementary students visualize and manipulate numbers up to one hundred. It supports counting, comparing, and computing, aiding the transition from one-by-one counting to more efficient strategies. Custom frames can be created for advanced visualization of factors and fractions.
- Standard and custom number frames
- Variety of counters and colors
- 5s grid for grouping emphasis
- Resizable covers for problem modeling
- Drawing and annotation tools
- Math text and writing tools
- Shareable work via image or code
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Number Frames help students structure numbers to five, ten, twenty, and one hundred. Students use the frames to count, represent, compare, and compute with numbers in a particular range. The frames allow students see quantities as equal groups of other quantities and in relation to benchmark quantities. This helps primary students move away from one-by-one counting toward more efficient ways of counting and computing. As students advance, custom frames can be constructed to help visualize factors, products, fractional parts and more. These virtual versions of number frames are open-ended educational tools, ideal for elementary classrooms and other learning environments that use iPads. Number frames are a key model used in Bridges in Mathematics, second edition. Online preview available at: www.mathlearningcenter.org/bridges FEATURES: • Use standard 5-, 10-, 20-, and 100-frames, or create custom frames up to 12 x 12. • Choose from a variety of counters and colors. Drag single counters — or stacks of 5 and 10 — into frames or on to the workspace. • Apply a 5s grid to frames to emphasize every 5th line and reinforce grouping by five. • Hide and reveal counters with resizable covers to create your own problems and model strategies. • Use the drawing tools to annotate work and show understanding. • Add equations, expressions, and descriptions with the math text and writing tools. • Share your work by saving an image or providing a share code to others. MORE APPS For more Number Line resources and other apps, visit: www.mathlearningcenter.org/apps LEARN MORE To learn about Bridges in Mathematics, an elementary curriculum that employs visual models like number line, visit: www.mathlearningcenter.org/bridges/overview ABOUT US This resource is brought to you by The Math Learning Center, a nonprofit organization dedicated to K-12 education since 1976. ACKNOWLEDGEMENTS This app was crafted by Clarity Innovations. We help improve teaching and learning by creating solutions that match promising technologies with the needs of education. Visit us: www.clarity-innovations.com
Screenshots
Verdict
The clearest difference is review sentiment: Number Frames, by MLC at 89% against 10 Frame Fill's 33%. Number Frames, by MLC also leads on rating (4.0 vs 3.5). 10 Frame Fill's advantage is update cadence (every 5 months vs every 13 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Number Frames, by MLC holds the better App Store score, 4.0 against 3.5. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 33% of 10 Frame Fill's written reviews are positive against 89% of Number Frames, by MLC's.
10 Frame Fill ships an update every 5 months, Number Frames, by MLC every 13 months. The most recent releases landed on June 2, 2026 and September 16, 2026 respectively.
| Parameter | 10 Frame Fill | Number Frames, by MLC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (8 ratings) | 4.0 (7 ratings) — better |
| Positive reviews | 33.3% of reviews | 88.9% of reviews — better |
| Number of ratings | 8 — better | 7 |
| Update frequency | Every 5 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 10.0 — better | 15.4 |
| Further details — not scored | ||
| Size | 34 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Classroom Focused Software | The Math Learning Center |
Customer experience
10 Frame Fill
Number Frames, by MLC
In-app purchases
10 Frame Fill
No in-app purchases
Number Frames, by MLC
No in-app purchases
Questions
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